chemistry chapter 12 review game. balancing chemical equations stoich #1 (easy) stoich #2 (more...
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Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide and water. 1 pointCheckTRANSCRIPT
ChemistryChapter 12 Review Game
Balancing Balancing Chemical Chemical EquationsEquations
Stoich #1 (easy)
Stoich #2 (more
difficult)% Yield% Yield
1 point 1 point 1 point 1 point
2 points 2 points 2 points 2 points
3 points 3 points 3 points 3 points
4 points 4 points 4 points 4 points
5 points 5 points 5 points 5 points
Calcium carbonate reacts with phosphoric acid to
produce calcium phosphate, carbon dioxide
and water.
1 point Check
What is…3 CaCO3 + 2 H3PO4 Ca3(PO4)2 + 3 CO2 + 3
H2O?
1 point Back to Category Slide
Iron (III) sulfide reacts with oxygen to form iron (III) oxide and
sulfur dioxide.
2 points Check
What is…4 FeS2 + 11 O2 2 Fe2O3
+ 8 SO2?
2 points Back to Category Slide
Ammonium nitrate decomposes to
nitrogen, water and oxygen.
3 points Check
What is…2 NH4NO3 2 N2 + 4 H2O +
O2?
3 points Back to Category Slide
Manganese oxide reacts with potassium hydroxide,
oxygen and chlorine to form potassium
permanganate, potassium chloride and water.
4 points Check
What is …2 MnO2 + 4 KOH + O2 + Cl2 2 KMnO4 + 2 KCl
+ 2 H2O?
4 points Back to Category Slide
Nitric acid and zinc react to form zinc nitrate,
ammonium nitrate and water.
5 points Check
5 points Back to Category Slide
What is…4 Zn + 10 HNO3 4
Zn(NO3)2 + NH4NO3 + 3 H2O?
This allows you to convert from substance
A to substance B.
1 point Check
What is mole to mole ratio?
1 point Back to Category Slide
N2 + 3 H2 2 NH3
The number of moles of H2 I started with if I have 4.8 mol of ammonia
2 points Check
What is 7.2 mol of H2?
2 points Back to Category Slide
N2 + 3 H2 2 NH3
The number of H atoms in ammonia if I have
28.3 grams of H2.
3 points Check
What is 1.70 x 1025 H atoms?
3 points Back to Category Slide
N2 + 3 H2 2 NH3
23.9 g of ammonia are produced. The volume of
nitrogen gas (assume STP).
4 points Check
What is 15.7 liters of N2?
4 points Back to Category Slide
N2 + 3 H2 2 NH3
I have 140,000 H atoms. The number of ammonia molecules I can produce
with excess nitrogen.5 points Check
What is 47,000 ammonia molecules?
5 points Back to Category Slide
Use the following equation for #’s 2-5
2 C2H2 + 5 O2 4 CO2 + 2 H2O
1 point Check
Use the following equation for #’s 2-5
2 C2H2 + 5 O2 4 CO2 + 2 H2O
1 point Back to Category Slide
2.0 g of acetylene react with 6.0 g of oxygen.
This is my limiting reactant.
2 points Check
What is oxygen?
2 points Back to Category Slide
The number of grams of water that are produced when 2.0 g of C2H2 react
with 6.0 g of O2.
3 points Check
3 points Back to Category Slide
What is 1.4 grams of water?
The number of acetylene molecules we started with if we produced
28.7 g of CO2.
4 points Check
4 points Back to Category Slide
What is 1.96 x 1023
molecules of C2H2?
1,500 mL of acetylene react with excess
oxygen. The number of liters of carbon dioxide
that are produced.5 points Check
What is 3.0 liters of carbon dioxide?
5 points Back to Category Slide
The formula for % yield.
1 point Check
What is…(Actual / Theoretical) x
100?
1 point Back to Category Slide
If 15.0 g of nitrogen reacts with 15.0 g of hydgrogen,
10.5 g of ammonia is produced. The percent yield of this reaction.
2 points Check
What is 57.7%?
2 points Back to Category Slide
Three reasons % yield can’t be more than
100%.
3 points Check
What is impure reactants, competing side reactions, and
human error?
3 points Back to Category Slide
The % yield when a test yields 12.3 mg of
product A. According to the book, it should have
yielded 0.133 dg.4 points Check
What is 92.5%?
4 points Back to Category Slide
The amount of product that needs to be made in a lab with a 95.5% yield.
Assume a theoretical yield of 23.9 grams.
5 points Check
What is 22.8 grams? (actual)
5 points Back to Category Slide