WorksheetsChemistry Review Fun
Total questions: 15
Worksheet time: 16mins
A solid produced by a chemical reaction in solution that separates from the solution is called
a precipitate
a reactant
a molecule
the mass of the product
According to the law of conservation of mass, the total mass of the reacting substances is
always more than the total mass of the products.
always less than the total mass of the products.
sometimes more and sometimes less than the total mass of the products
always equal to the total mass of the products
How would oxygen be represented in the formula equation for the reaction of methane and oxygen to yield carbon dioxide and water?
oxygen
O
O2
O3
For the formula equation 2Mg + O2 --> 2MgO, the word equation would begin
Manganese plus oxygen . . .
Molybdenum plus oxygen . . .
Magnesium plus oxygen . . .
Heat plus oxygen . . .
The complete balanced equation for the reaction between zinc hydroxide and acetic acid is
ZnOH + CH3COOH -->ZnCH3COO + H2O
Zn(OH)2 + CH3COOH -->Zn + 2CO2 +3H2O.
Zn(OH)2 + 2CH3COOH --> Zn(CH3COO)2 + 2H2O
Zn(OH)2 + 2CH3COOH --> Zn(CH3COO)2 + H2 + O2.
The reaction 2Mg(s) + O2(g) --> 2MgO(s) is a
synthesis reaction.
decomposition reaction
single-replacement reaction
double-replacement reaction
Predict the product of the following reaction: MgO + CO2 -->
MgCO3
Mg + CO3
MgC + O3
MgCO2 + O
What is the balanced equation when aluminum reacts with copper(II) sulfate?
Al + Cu2S -->Al2S + Cu
2Al + 3CuSO4 --> Al2(SO4)3 + 3Cu
Al + CuSO4 --> AlSO4 + Cu
2Al + Cu2SO4 --> Al2SO4 + 2Cu
For the reaction 2HNO3 + Mg(OH)2 --> Mg(NO3)2 + 2H2O, how many grams of magnesium nitrate are produced from 8.00 mol of nitric acid, HNO3?
148 g
445 g
592 g
818 g
Standard pressure is exactly
1 atm
760 atm
101.3 atm
101 mmHg
The pressure of a 1000. mL sample of gas at 10.0ºC increases from 700. mm Hg to 900. mm Hg. If the volume is unchanged, what is the new temperature?
0ºC
24ºC
30ºC
91ºC
A 1.00 L sample of a gas has a mass of 0.716 g at STP. What is the molar mass of the gas?
0.716 g/mol
1.60 g/mol
7.16 g/mol
16.0 g/mol
What pressure is exerted by 0.750 mol of a gas at a temperature of 0.00ºC and a volume of 5.00 L?
2.1 atm
3.4 atm
4.98 atm
760 atm
What is the hydrogen ion concentration of a solution whose pH is 4.12?
4.4 x 10–8 M
5.1 x 10–6 M
6.4 x10–5 M
7.6 x 10–5 M
Compared with acids that have the suffix -ic, acids that have the suffix -ous contain
more hydrogen
more oxygen
less oxygen
the same amount of oxygen
