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Resolved Question: How many grams of precipitate forms when 35mL of 0.160M barium chloride reacts with 58mL of 0.065M?
sodium sulfate in aqueous solution?
moreResolved Question: Calculate the concentration of all ions present in each of the following solutions of strong electrolytes.?
a. .0200 mol of sodium phosphate in 10.0 mL of solution
b. .300 mol of barium nitrate in 600.0mL of solution
c. 1.00 g of potassium chloride in .500L of solution
d. 132 g of ammonium sulfate in 1.50 L of solution
moreVoting Question: Net-Ionic Equation Help!?
The problem is:
Equal molar solutions of barium chloride and sodium sulfate are mixed.
This is what I created for the Chem. Reaction:
BaCl2 + Na2S --> BaS + 2NaCl
Then I found my ions:
Ba+2 + 2Cl- + 2Na+ + S-2 --> 2Na+ + 2Cl- + Ba+2 + S-2
Considering all of the ions I found crossed out, would my answer be no solution? Check my work if you could.
moreResolved Question: Precipitation reactions for: Aluminum chloride + ammonium hydroxide?
Doing an experiment, need the precipitation reactions between the following, and which one is the precipitate?
Aluminum chloride + ammonium hydroxide --> __________
Silver Nitrate + Calcium Bromide --> ___________
Barium Hydroxide + Sodium Sulfate --> ___________
Magnesium Chloride + Sodium Carbonate --> __________
moreResolved Question: CHEMISTRY stoichiometry?
Calculate the volume of .110 mol/l sodium sulfate required to precipitate the maximum mass of barium sulfatefrom 60.0 ml of .145 mol/l barium chloride solution ?
moreResolved Question: chemistry question.than you.?
if 2 moles of sodium sulfate are dissolved in water, how many moles of ions are in solution
a) 2
b) 3
c) 6
d) 15
which of the fallowing would result in the production of a solid
a)sodium chloride
b)silver nitrate and sodium nitrate
c)barium nitrate and potassium sulfate
d)hydrochloric acid and sodium hydroxide
moreResolved Question: What is the net ionic equation of aqueous Barium Chloride + Sodium Sulfate = Barium Sulfate?
What is the net ionic equation of aqueous Barium Chloride + Sodium Sulfate = Barium Sulfate? I'm having difficulty finding the proper equation and It needs to be done soon!
moreResolved Question: BaCl2 (Barium Chloride) Na2SO4 (Sodium Sulfate). Which one is the solid?
BaCl2 (Barium Chloride) Na2SO4 (Sodium Sulfate).
Which one is the solid?
moreVoting Question: What is the net ionic equation of Barium Chloride + Sodium Sulfate = Barium Sulfate?
What is the net ionic equation of Barium Chloride + Sodium Sulfate = Barium Sulfate? I'm having difficulty finding the proper equation and help would be greatly appreciated!*aqueous Barium chloride
moreResolved Question: Nitrogen triiodide forms...?
Nitrogen triiodide forms....?
Reaction...?
Sodium sulfate and barium chloride form..?
Reaction..?
Please help thank you!
moreResolved Question: Chemistry Questions-Ionic Equations?
1) Sodium Carbonate and lead nitrate
2) Cupric acetate and sodium hydroxide
3) Potassium Sulfate and aluminium nitrate
3) Barium chloride and sulfuric acid
thanks so much!
moreResolved Question: chemistry hellllllllllp?10 points?
Does anyone know how to do the net ionic equation of the following?
I have no idea what to do?
a) Silver nitrate + Potassium Iodide
b) Ammonium Sulfide + Lead(II) Nitrate
c) Zinc nitrate + Sodium carbonate
d) Hydrogen sulfate + Barium nitrate
e) Mercury(I) nitrate + Sodium chloride
f) Aluminum nitrate + Potassium hydroxide
Thanks in advance!
:)
moreVoting Question: Need Help With Chemistry Questions?
Q1)
Potassium nitrate has a solubility of 153g/100g water at 75C(167F), and 37g/100g at 25C (77F). How much water is needed to dissolve 85g potassium nitrate at 75C (167F)? How much potassium nitrate will crystallise out if the solution is cooled at 25C (77F)?
Q2)
The solubility of potassium nitrate is 150g/100g water at 75C (167F) and 12g/100g water at 0C (32F). The solubility of potassium chloride is 50g/100g water at 75C (167F) and 25g/100g water at 0C (32F). How would you obtain a sample of pure potassium nitrate crystals from a mixture of 50g of each of these compounds?
Q3)
A liquid contains the following salts in solution
Potassium nitrate KNO3
Lead nitrate Pb(NO3)2
Copper nitrate Cu(NO3)2
Barium nitrate Ba(NO302
a) Identify the precipitate formed after the addition of;
Potassium chloride solution to a sample of the liquid
Potassium sulfate solution to another sample of the liquid
Potassium carbonate solution to another sample of the liquid
b) what ions will be left in solution in each of the 3 experiments?
Q4)
Consider the following formulae
Sodium chloride NaCI
Sodium sulfide Na2S
Niobium chlorideNbCI3
Vanadium oxide V2O3
Osmium oxide OsO2
a) From this information and the table of common ions, deduce the charge that would be on the ions of;
Vanadium (V), Niobium (Nb), and Osmium (Os)
b) Using the your answer in (a) above and the table of common ions, give the formulae for;
Vanadium chloride, niobium sulfide and Osmium chloride.
Q5)
You are given a white substance that sublimes at 3000C (5432F). The solid is a non conductor of electricity and it is insoluble in water. What type of solid might this substance be? Explain your reasoning?
Q6)
A white substance melts with some decomposing at 730C (1346F). As a solid it is a non conductor of electricity but it dissolves in water to form a conducting solution. Which type of solid might this substance be? Explain your reasonig?
Q7)
Use the periodic table to arrange the following pure elements in order of increasing electricity conductivity at room temperature. Explain your answer.
Ca, S, Si, Ge
Q8)
Suppose you were given pure samples of potassium carbonate, potassium sulfate, potassium hydrogen carbonate, and ammonia sulfate. Explain how you would determine experimentally which sample was which compound. Write equations for all reactions you use
Q9)
Sulfurous acid is a weak acid. Both sulfur dioxide and sulfurous acid have limited solubility in water. Based on what you know about the reaction of carbonates with strong acids, what would you expect to observe when aqueous hydrochloric acid is added to a solution of sodium sulfite and the mixture warmed? Write an equation for any reaction which occurs.
Q10)
A chemist had 2 white solids (A & B). Both dissolved in water and the solutions conducted electricity.When hydrochloric acid was added to samples of the solids, both produced a colourless gas which when bubbled through limewater (calcium hydroxide solutions) turned the clear solution milky. A was able to neutralise sodium hydroxide solution whereas B could not. What anions are present in substances A & B? Explain your reasoning. Give all relevant equations.
Q11)
Four colourless solutions were known to be potassium carbonate, potassium sulfate, zinc sulfate and silver nitrate, but it was not known which was which. The only known solution a student had available was hydrochloric acid. Suggust a way of identifying the 4 solutions, first by using this hydrochloric acid solution to obtain some information, then by mixing suitable combinations of the unknown solutions. Explain why your suggested procedure will work and write equations for all your reactions involved
Q12)
Name and give the formulae for the precipitate (if any) which forms when solutions of the following pairs are mixed;
aluminium chloride and sodium hydroxide
copper sulfate and hydrogen sulfide
potassium carbonate and ammonia sulfate
potassium bromide and lead nitrate
barium nitrate and sulfuric acid
And then write the complete ionic and net ionic equations for the above reactions that form a precipitate.
moreResolved Question: please help me! Conventional, total ionic, net ionic?
if you cant help with ?s please tell me what they are ?
1) barium nitrate is mixed with sodium sulfate forming a precipitate of barium sulfate and a solution of sodium nitrate?
2) hydrochloric acid is mixed with potassium hydroxide forming potassium chloride and water?
3) sodium nitrate is mixed with potassium chloride forming a solution of potassium nitrate and sodium chloride?
moreResolved Question: Chemistry Problem Homework Help?
I really need this taken step by step because I'm a little off base and clueless...
1. What volume (in liters) of a solution of ethylene glycol, C2H6O2, that is 56.0 % ethylene glycol by mass contains 0.326 mol of C2H6O2? The density of the solution is 1.072 g/mL.
2. A 25.0-mL solution of sodium sulfate solution was analyzed by adding an excess of barium chloride solution to produce barium sulfate crystals, which were filtered from the solution.
Na2SO4(aq) + BaCl2(aq) BaSO4(s) + 2NaCl(aq)
If 3.51 g of barium sulfate was obtained, what was the molarity of the original Na2SO4 solution?
3. An alloy of iron and carbon was treated with sulfuric acid, in which only iron reacts.
2Fe(s) + 3H2SO4(aq)Fe2(SO4)3(aq) + 3H2(g)
If a sample of alloy weighing 2.676 g gave 0.1054 g of hydrogen, what is the percentage of iron in the alloy?
If anyone can explain any of these that would be sooo helpful!
moreResolved Question: conventional, total ionic, net ionic?
1) barium nitrate is mixed with sodium sulfate forming a precipitate of barium sulfate and a solution of sodium nitrate?
2) hydrochloric acid is mixed with potassium hydroxide forming potassium chloride and water?
3) sodium nitrate is mixed with potassium chloride forming a solution of potassium nitrate and sodium chloride?
moreResolved Question: Which of the follow dissolve in water?
& why do/don't they dissolve in water?
a) glucose C6H12O6 (s)
b) oxygen gas O2 (g)
c) sodium chloride NaCl (s)
d) barium sulfate BaSO4 (s)
e) octane/gasoline C8H18 (l)
f) vitaminC C6H8O6 (s)
g) carbon dioxide CO2 (g)
h) alcohol CH3CH2OH (l)
i) acetic acid HC2H3O2 (l)
moreResolved Question: writing balanced molecular equations? part II?
Write balanced molecular equations for the formation of the following compounds from the neutralization reactions of acids with bases.
a) Calcium sulfate
b) barium chloride
c) sodium iodide
f) magnesium chloride
moreResolved Question: Can anyone help me balance these chemistry word equations?
1. Magnesium + oxygen -> magnesium oxide
2. silver nitrate + sodium chloride -> silver chloride = sodium nitrate
3. Zinc + hydrochloric acid -> zinc (II) chloride + hydrogen gas
4. Copper (II) sulfate + magnesium -> magnesium sulfate + copper
5. Barium Chloride + sodium sulfate -> barium sulfate + sodium chloride
6. hydrogen peroxide -> water + oxygen
7. sulfur + oxygen -> sulfur dioxide gas
8. Copper (II) sulfate pentahydrate -> Copper (II) sulfate + water(g)
9. methanol + oxygen -> carbon dioxide + water
moreResolved Question: You have an unlabeled bottle that contains one of the following compound:...?
the following compound are: Ammonium Nitrate, Barium Chloride, and Sodium Chloride. You have available to you solutions of Silver Nitrate and Sodium Sulfate. what are the equations to explain what was in the bottle? (please help me im stuck!!)
moreResolved Question: How do you solve this chemistry problem??please help!?
if i know how to figure this one out ill be able to do the rest!so please help!! thanks :)
BaCl + Na2SO4 --> 2NaCl + BaSO4
If you combine 100ml of 1M barium chloride with 150 ml of 2.0 M sodium sulfate how many grams of solid barium sulfate will you make?
moreVoting Question: Chemistry Equation Writing Please HELP!?
1. Carbon dioxide and water are 2 of the 3 products from the reaction of sulfuric acid with sodium hydrogen carbonate.
2. hydrbromic acid reacts with potassium hydroxide
3. aluminum reacts with phosphoric acid
4. silver nitrate reacts with hydrosulfuric acid
5. phophorus triiodide is formed from its elements
6. iron (II) chloride reacts with sodium phosphate
7. sugar, C12H22O11, is burned in air.
8. sugar, C12H22O11, breaks down to carbon and water when heated
9.lithium hydroxide solution is the product of the reaction of lithium oxide and water
10. magnesium sulfate reacts with sodium hydroxide
11. chlorine reacts with a solution of sodium iodide
12. nickel hydroxide reacts with sulfuric acid
13. barium peroxide, BaO2, decomposes into oxygen and barium oxide
14. ammonia is formed from its elements
15. butyl alcohol, C4H9OH, is oxidized completely.
16. water is driven from copper sulfate pentahydrate, CuSO4x5H2O with heat
17. magnesium nitride is formed by its elements
18. sulfuric acid reacts with potassium nitrite.
Thanks in advance.. however many you can help me with would be greatly appreciated because I really need help with this stuff!
moreResolved Question: If 50.0 mL of a 2.45 M solution of barium chloride is used in the reaction?
how many grams of sodium sulfate are needed for the reaction to go to completion?
moreResolved Question: Solubility rules and hydroxides?
need to determine a rule for hydroxides using chemistry sol;ubility rules. i have a list of chemicals and apparently there are two we need to cross out because they would produce no reaction? i am not sure how this work sor how to apply the rules to find out which chemicals i shouldnt use. if you could tell me out of this list of 18 which ones not to use or which would definitely work please help:
here are the chemicals:
1. ammonium chloride
2. barium carbonate
3. barium chloride
4. calcium nitrate
5. lead nitrate
6. lead sulfate
7. magnesium chloride
8. copper sulfate
9. tin II chloride
10. ZInc CHloride
11. Sodium hydroxide
12. Aluminium Nitrate
13. POtassium Chloride
14. Iron III Chloride
15 Iron II Sulfate
i have no ide ahow to do this and do not understand the rules from my chemistry book. please please help/
thank you i appreciate it
Additional Details
the point is to determine solubility rules for hydroxides which we will do with a lab. based on this i need to pick the chemicals from the list above that i can use to rite a method but i have no idea where to start.
all i have is the aim - to find a solubility rule and i have to create a method that goes along with it. that method could be by addin another substance to it like OH^-1. does this help? im sorry i am just really confusedTHANK YOU to the perosn who replied :D
moreVoting Question: Solubility Rules for Hydroxides?
i need to determine a rule for hydroxides using chemistry sol;ubility rules. i have a list of chemicals and apparently there are two we need to cross out because they would produce no reaction? i am not sure how this work sor how to apply the rules to find out which chemicals i shouldnt use. if you could tell me out of this list of 18 which ones not to use or which would definitely work please help:
here are the chemicals:
1. ammonium chloride
2. barium carbonate
3. barium chloride
4. calcium nitrate
5. lead nitrate
6. lead sulfate
7. magnesium chloride
8. copper sulfate
9. tin II chloride
10. ZInc CHloride
11. Sodium hydroxide
12. Aluminium Nitrate
13. POtassium Chloride
14. Iron III Chloride
15 Iron II Sulfate
i have no ide ahow to do this and do not understand the rules from my chemistry book. please please help/
thank you i appreciate itthe point is to determine solubility rules for hydroxides which we will do with a lab. based on this i need to pick the chemicals from the list above that i can use to rite a method but i have no idea where to start.i suppose i could doit that way yues; all io have is the aim - to find a solubility rule and i have to create a method that goes along with it. that method could be by addin another substance to it. does this help? im sorry i am just really confusedim not sure if a person can reply twice so i will delete the last answer and see if u can reply then. i hope u dont mind? otherwise could u plllleeeaasee email me at roxancauldron@yahoo.co.uk because i absolutely need help here. thank u id appreciate it/ok for soem reason i cant delete...
moreResolved Question: Chemistry Molecular, complete and net ionic eqatuons of:?
Please Help; I need help with getting the molecular, complete ionic, and net ionic equation of the following:
1) Copper (II) sulfate + sodium carbonate
2) Copper(II) sulfate + barium chloride
3) Copper(II) sulfate + sodium phosphate
4) Sodium carbonate + sulfuric acid
5) Sodium carbonate + hydrochloric acid
6) Hydrochloric acid + sodium hydroxide
7) Ammonium chloride + sodium hydroxide
8) Sodium acetate + hydrochloric acid
9) Lead nitrate + sulfuric acid
10) Potassium chloride + sodium nitrate
THANK YOU
moreResolved Question: what kind of chemical reaction is this [combustion, combination, etc?]?
The balanced equation of Barium Chloride and Sodium Sulfate is:
BaCl + NaSO4 -> BaSO4 + NaCl
The word equation is:
Barium Chloride + Sodium Sulfate -> Barium Sulfate + Sodium Chloride
The balanced equation is: BaCl2 + Na2SO4 -> BaSO4 + 2NaCl.
which one is it
combination
decomposition
combustion
single replacement
or double replacement
can you explain why please?
thanks in advance
moreResolved Question: Chemical Formula's help..... please?
I need to know the formulas for the following:
Silver Nitrate
Barium Chloride
Sodium Sulfate
Iron (iii) Nitrate
thanks
moreVoting Question: I have problems answering these few Chemistry questions.Maybe you could help out?
Which of the following forms a white precipitate with excess sqeuous sodium hydroxide?
1)Hydrochloric acid
2)Barium Nitrate
3)Aluminium chloride
4)copper(II) Sulfate
A solution was tested with Universal indicator and aqeuous potassium iodide.Which of the following results shows that the solution contains Lead(II) nitrate and nitric acid?
1)Sample records a pH of 5,and produces no reaction with potassium iodide
2)Sample records a pH of 7,and produces a yellow precipitate with aqeuous potassium iodide.
3)Sample records a pH of 3,and produces a yellow precipitate with aqueous potassium iodide
4)Sample records a pH of 9,and produces no reaction with aqueous potassium iodide
A sample of Sodium sulfate was warmed with aqueous sodium hydroxide and a piece of aluminium foil.Which gas was evolved?
1)Ammonia
2)carbon dioxide
3)hydrogen
4)No gas evolved
A compound of element X reacts with excess HNO3 to produce a gas and a colourless solution.This solution then reacts with dilute sodium hydroxide to form a white precipitate which dissolves in excess sodium hydroxide.What could compound of element X be?
1)Calcium carbonate
2)Aluminium sulfate
3)zinc hydroxide
4)lead(II) carbonate
Tests on a sample of polluted water in a factory gave the following results.
Test 1 :Upon adding hydrochloric acid and barium chloride,a white precipitate is formed
test 2:Upon addign aqeuous ammonia,a white preciptate is formed which is insoluble in excess.
Which compound could have been present in the water?
1)Zinv sulfate
2)aluminium sulfate
3)Aluminium chloride
4)zinc chloride
Aluminium sulfate is sometimes used in water treatment to remove impurities.Aqueous aluminium sulfate is acidic.Below shows the different samples of four different treated water.Which sample had aluminium sulfate been added?
1)A sample of pH 7,that produces no reaction with aqueous ammonia
2)A sample of pH 3,that produces a white precipitate with aqeuous ammonia
3)A sample of pH 3,that produces no reaction with aqueous ammonia
4)A sample of pH 11,that produces a white precipitate with aqueous ammonia
A sample of aqeuous ammonium sulfate was warmed with aqueous sodium hydroxide and aluminium foil.What gas is evolved?
1)Hydrogen
2)Carbon dioxide
3)Ammonia
4)No gas evolved
I really appreciate your help as these few questions are hard for me.
moreVoting Question: i still need help!!! man man?
i need help with this chemistry!!!
1. sodium sulfate
2. sodium bicarbonate
3. barium fluoride
4. ammonium carbonate
5. silver phosphate
6. iron (III) hydroxide
7. lead (II) acetate
8. magnesium nitrate
9. nickel (II) chlorate
10. calcium nitrite
11. magnesium fluoride
12. aluminum sulfate
13. ammonium oxide
14. iron (II) chloride
15 zinc nitrate
16. potassium cyanide
please help =))
moreVoting Question: need help on formula writing!?
my homework is formula writing!
ammonium sulfate
2. calcium carbonate
3. magnesium sulfate
4. lead(II) sulfite
5. hydrogen sulfide
6. calcium bromide
7. calcium chloride
8. iron(III) oxide
9. ammonium sulfide
10. zinc chlorate
11. calcium oxide
12. barium chloride
13. sodium cyanide
14. nickel(II) nitrate
15. silver sulfide
help!!!
moreResolved Question: Chemistry homework help????
Can you name the hydrates
1.SnCl4 x 5H2O
2 FeSO4 x 7H2O
3 BaBr x 4H2O
4 FePO4 x 4H2O
and
what are the formulas for
1 sodium sulfate decahydrate
2 calcium chloride dihydrate
3 barium hydroxide octahydrate
please help
moreResolved Question: precipitate forms help?
How many grams of sodium sulfate can be added to 758 mL of 0.0048 M barium chloride before a precipitate forms?
moreResolved Question: Chemistry ionic equations and net ionic equations for the following:?
1. Sodium Carbonate (Na2CO3) and Silver Nitrate (AgNO3)
2. Sodium Arsenate (Na3AsO4) and Barium Chloride (BaCl2)
3. Sodium Acetate (NaCH3COO) and Silver Nitrate (AgNO3)
4. Sodium Phosphate (Na3PO4) and Barium Chloride (BaCl2)
5. Sodium Sulfate (Na2SO4) and Barium Chloride (BaCl2)
moreResolved Question: Chemistry formulas need help please hurry?
a) write a balanced formula equation for each chemical reaction
1. barium chloride+sodium sulfate-> sodium chloride+ barium sulfate
2. Calcium+ hydrochloric acid-> hydrogen+ calcium chloride
3. Carbon+ steam ->(heat) carbon monoxide + hydrogen
4. zinc + lead(ll) acetat -> lead + zinc acetate
5. Iron(lll)Oxide+ carbon monoxide->(heat) iron+ carbon dioxide
moreResolved Question: chemistry balancing equations HELP HURRY HURRY ONLY 5 HELP NOW NOW HELP?
a) write a balanced formula equation for each chemical reaction
1. barium chloride+sodium sulfate-> sodium chloride+ barium sulfate
2. Calcium+ hydrochloric acid-> hydrogen+ calcium chloride
3. Carbon+ steam ->(heat) carbon monoxide + hydrogen
4. zinc + lead(ll) acetat -> lead + zinc acetate
5. Iron(lll)Oxide+ carbon monoxide->(heat) iron+ carbon dioxide
moreResolved Question: Help me on how to explain...10 points?
Na2 SO4 + Ba Cl2→ 2NaCl + BaSO4
Place 5mL of sodium sulfate solution into a test tube. Add a medicine dropper full of barium chloride solution.
2 KI(aq)+ Pb(NO3)2(aq)2 →KNO3(aq) + PbI2(s)
Place 5mL of lead(II) nitrate solution into 5mL potassium iodide solution.
How they are double displacement reactions?
10 points
moreResolved Question: Anyone have a good way to remember solubility rules?
I have a test on solubility rules, listed bellow, and I was wondering if anyone has a good way to remember them?
-Nitrates, Chlorides, acetates of metals are soluble in water
-Sodium, potassium, ammonium salts are soluble in water
-chlorides, bromides, and iodides of all metals except lead, silver and mercury (I) are soluble in water.
-PbCL2, PbBR2, and PbI2 are soluble in hot water
-Sulfates of all metals except lead, mercury (I), barium, and calcium are soluble in water
-Carbonates, phosphates, borates, sulfites, chromates, and arsenates of all metals except soduim, potassium, and ammonium are insoluble in water
the sulfides of all metals except barium, calcium, magnesium, sodium, potassium, and ammonium are insoluble in water
-The hydroxides are insoluble except for sodium, potassium, ammonium, calcium, and barium. oxides are insoluble
moreVoting Question: Enthalpy of Reaction??
How much heat is produced or absorbed by the reaction of 20.8 g of barium chloride with excess sodium sulfate?
or
Calculate the change in enthalpy for the decomposition of 17.0 g of cobalt(II) carbonate into cobalt (II) oxide and carbon dioxide gas.
or
Compute the change in enthalpy for the displacement of 254 g of iodine from hyrdrogen iodide by chlorine?
moreResolved Question: Barium chloride and sodium sulfate react according to the following equation.?
Barium chloride and sodium sulfate react according to the following equation.
BaCl2 + Na2SO4 → BaSO4 + 2NaCl
How many moles of barium sulfate are produced from 0.1 mole of barium chloride?
moreResolved Question: Which of these is not going to react and why?"?
1.Coppe2 sulfate+ sodium carbonate
2.Coppe2 sulfate+ barium chloride
3.Coppe2 sulfate+ sodium phosphate
4.Sodium carbonate+sulfuric acid
5. Sodium carbonate+ hydrochloric acid
6. Calcium chloride+ sodium sulfide
7. Calcium CHloride+Sodium hydroxide
8.Nickel CHloride+silver nitrate
9.Nickel CHloride+sodium carbonate
10.Hydrochloric acid+sodium hydroxide
11. Ammonium chloride+sodium hydroxide
12. Sodium acetate+hydrochloric acid
13. Sodium sulfide+ hydrochloric acid
14. Lead nitrate+ sodium sulfide
15.Lead nitrate+ sulfuric acid
16. Potassium chloride+sodium nitrate
moreResolved Question: Chemistry help!! I’m so clueless?
Aqueous barium chloride reacts with aqueous aluminum sulfate to form an aqueous solution of aluminum chloride and a barium sulfate precipitate.
I got: BaCl2+Al2(SO4)3= AlCl3+BaSO4
Liquid pentane (C5H12) burns in the presence of oxygen.
This is how far i got: C5H12+O= ?
Barium metal reacts vigorously with water in a single displacement reaction. HINT: treat water as H-OH.
This is how far i got Ba+H+OH= ?
Fluorine and aqueous sodium bromide are mixed together. (single displacement).
Is this right?: F+NaBr= FBr+ Na
Zinc metal combines with phosphorus (P4)
Is this right?: An+P4= ZnP4
thanks
moreResolved Question: balanced equations for chemistry?
how would i write a balanced equation for this question?:
Aqueous solutions of sodium sulfate, Na2SO4, and barium chloride, BaCl2, are mixed. A white precipitate of barium sulfate forms.
moreResolved Question: Do any of these solutions, when mixed together for any soluble/insoluble chemicals?
Do any of these solutions, when mixed together for any soluble/insoluble chemicals?
Pair 1: Sodium Carbonate + Lead Nitrate
Pair 2: Calcium Nitrate + Potassium Carbonate
Pair 3: Calcium Chloride + Copper Nitrate
Pair 4: Copper Sulfate + Sodium Hydroxide
Pair 5: Barium Chloride + Copper Sulfate
Pair 6: Silver Nitrate + Potassium Chloride
Pair 7: Copper Nitrate + Barium Chloride
Pair 8: Potassium Hydroxide + Barium Nitrate
Pair 9: Potassium Sulfate + Lead Nitrate
Pair 10: Sodium Carbonate + Copper Chloride
I want to know when the solutions of the pairs are mixed together
are there any insoluble/soluble chemicals formed?
thx for the help :D
moreResolved Question: Help with Precipitates?
Please tell me if Precipitates will form if i mix these solutions
Sodium carbonate+Lead nitrate
Calcium Nitrate+Potassium carbonate
Calcium chloride+Copper nitrate
Copper sulfate+Sodium hydroxide
Barium chloride+Copper sulfate
Silver nitrate+Potassium chloride
Copper nitrate+Barium chloride
Potassium hydroxide+Barium nitrate
Potassium sulfate+Lead nitrate
Sodium carbonate+Copper Chloride
Please tell me any the name of any insoluble or soluble chemical formed and if u can please tell how u found itThanks a lot Dr. Mark, Dude u seriously saved my life, i cant thank u enough
moreResolved Question: Can you tell me which of the following pairs of solutions precipitate?
I'd like to know if the following pairs of solutions mix together, will they form a precipitate (solid)
Pair 1: Sodium Carbonate + Lead Nitrate
Pair 2: Calcium Nitrate + Potassium Carbonate
Pair 3: Calcium Chloride + Copper Nitrate
Pair 4: Copper Sulfate + Sodium Hydroxide
Pair 5: Barium Chloride + Copper Sulfate
Pair 6: Silver Nitrate + Potassium Chloride
Pair 7: Copper Nitrate + Barium Chloride
Pair 8: Potassium Hydroxide + Barium Nitrate
Pair 9: Potassium Sulfate + Lead Nitrate
Pair 10: Sodium Carbonate + Copper Chloride
Thx for the help :DWOW THANK MAN :D GREAT HELP
moreResolved Question: Help with Chemistry Homework !!!?
I have to write a word and a balanced chemical equation for these chemical reactions
Cobalt chloride + Sodium carbonate
Copper sulfate + Sodium Carbonate
Lead Nitrate + Lead Nitrate
Potassium iodite + Lead Nitrate
Copper Sulfate + Sodium hydroxide
Barium chloride + Copper sulfate
Thanx in advanceCobalt chloride + Sodium carbonate
Copper sulfate + Sodium Carbonate = ?
Lead Nitrate + Lead Nitrate = ?
Potassium iodite + Lead Nitrate = ?
Copper Sulfate + Sodium hydroxide = ?
Barium chloride + Copper sulfate = ?Tell me what they make when u mix them together
moreResolved Question: Chemistry - estimating moles produced?
Please help!
(a) An amount of hydrated sodium sulfate crystals, Na2SO4.xH2O was weighed accurately and dissolved in water. The resulting solution was treated with an excess of barium chloride solution. The precipitate obtained was then filtered, washed, dried and weighed.
The following readings were obtained.
Mass of hydrated sodium sulfate crystals + weighing boat = 23.44g
Mass of dry precipitate + weighing boat = 19.88g
Mass of empty weighing boat = 10.56g
(i) Write an equation for this reaction, including state symbols.
(ii) Use this information to calculate
- the number of moles of precipitate formed
- the number of moles of sodium sulfate used
- the value of x
I'm working out these questions as preparation for my finals, but I'm quite stuck on this one, it would be great if anyone could calculate the answers with steps on how they did it, thanks!
moreResolved Question: what are the following chemicals types of reaction? (please o please help)?
ex(synthesis, decomposition, single replacement, double replacement, neutralization, combustion)
1) sodium + bromine = sodium bromide
2)magnesium chlorate = magnesium chloride + oxygen
3)potassium oxide + water = potassium hydroxide
4)hydrochloric acid + sodium hydroxide = sodium chloride + water
5)gold + magnesium bromide = gold (III) bromide + magnesium
6)mercury (II) oxide = mercury + oxygen
7)diphosphorous pentoxide + water = phosphoric acid
8)propane (c3h8) + oxygen = carbon dioxide + water
9)nickel + lead (IV) nitrate = lead + nickel (II) nitrate
10)copper (II) carbonate = copper (II) oxide + carbon dioxide
11)barium chloride + copper (II) sulfate = barium sulfate + copper (II) chloride
12)aluminum + sulfur = aluminum sulfide
13)ethane (c2H6) + oxygen = carbon dioxide + water
14)calcium chloride = calcium + chloride
15)butane (C4H10) + oxygen --- carbon dioxide + water
moreResolved Question: How many grams of sodium sulfate were there in the original sample? Chemistry question?
An impure sample of sodium sulfate was dissolved in deionized water and titrated with 0.281 M barium chloride. If 34.65 mL of barium chloride were required to completely precipitate the sulfate, how many grams of sodium sulfate were there in the original sample?
Na2SO4 (aq) + BaCl2 (aq) --> BaSO4 (s) + 2 NaCl (aq)
How do I solve this?
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