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Q 1/25
Score 0
What is the balanced equation for the reaction of aluminum with oxygen to form aluminum oxide?
30
3 Al + 2 O2 -> Al2O3
4 Al + O2 -> 2 Al2O3
4 Al + 3 O2 -> 2 Al2O3
2 Al + 3 O2 -> Al2O3
Q 2/25
Score 0
What is the correctly balanced equation for the reaction of hydrogen and nitrogen to form ammonia?
30
N2 + 3 H2 -> 2 NH3
N2 + 3 H2 -> NH3
N2 + H2 -> NH3
N2 + 2 H2 -> NH3
25 questions
Q.
What is the balanced equation for the reaction of aluminum with oxygen to form aluminum oxide?
1
30 sec
Q.
What is the correctly balanced equation for the reaction of hydrogen and nitrogen to form ammonia?
2
30 sec
Q.
What is the balanced chemical equation for the reaction between sodium hydroxide (NaOH) and sulfuric acid (H2SO4)?
3
30 sec
Q.
What is the balanced equation for the reaction of magnesium with hydrochloric acid to produce magnesium chloride and hydrogen gas?
4
30 sec
Q.
What is the balanced equation for the reaction of zinc (Zn) with sulfuric acid (H2SO4) to produce zinc sulfate and hydrogen gas?
5
30 sec
Q.
What is the balanced equation for the decomposition of potassium chlorate (KClO3) into potassium chloride (KCl) and oxygen (O2)?
6
30 sec
Q.
What is the balanced equation for the reaction of ethylene (C2H4) with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O)?
7
30 sec
Q.
What is the balanced equation for the reaction of ethylene (C2H4) with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O)?
8
30 sec
Q.
What is the balanced equation for the reaction of zinc (Zn) with sulfuric acid (H2SO4) to produce zinc sulfate (ZnSO4) and hydrogen gas (H2)?
9
30 sec
Q.
What is the balanced equation for the synthesis reaction between iron (Fe) and sulfur (S) to form iron sulfide (FeS)?
10
30 sec
Q.
What is the balanced equation for the reaction of calcium carbonates (CaCO3) decomposing into calcium oxide (CaO) and carbon dioxide (CO2)?
11
30 sec
Q.
What is the balanced equation for the reaction of aluminum (Al) with hydrochloric acid (HCl) to produce aluminum chloride (AlCl3) and hydrogen gas (H2)?
12
30 sec
Q.
What is the balanced equation for the decomposition of potassium chlorate (KClO3) into potassium chloride (KCl) and oxygen gas (O2)?
13
30 sec
Q.
What is the balanced equation for the reaction of nitrogen gas (N2) with hydrogen gas (H2) to form ammonia (NH3)?
14
30 sec
Q.
What is the balanced equation for the combustion of propane (C3H8)?
15
30 sec
Q.
In a balanced chemical reaction, how many moles of water are produced when 2 moles of hydrogen react with 1 mole of oxygen?
16
30 sec
Q.
What is the molar mass of calcium carbonate (CaCO3)?
17
30 sec
Q.
What is the theoretical yield of carbon dioxide produced when 5 moles of glucose (C6H12O6) are completely oxidized in the following reaction: C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O?
18
30 sec
Q.
In a reaction where 3 moles of A react with 2 moles of B to produce 4 moles of C, what is the stoichiometric ratio of A to C?
19
30 sec
Q.
How many moles of nitrogen gas (N2) are required to fully react with 9 moles of hydrogen gas (H2) according to the following reaction: N2 + 3 H2 -> 2 NH3?
20
30 sec
Q.
When 4 moles of aluminum react with oxygen according to the equation 4 Al + 3 O2 -> 2 Al2O3, how many moles of aluminum oxide (Al2O3) are produced?
21
30 sec
Q.
What is the mole ratio of sulfur dioxide (SO2) to oxygen (O2) in the balanced reaction: 2 SO2 + O2 -> 2 SO3?
22
30 sec
Q.
In the combustion of propane (C3H8), what is the molar ratio of propane to carbon dioxide (CO2) produced, as shown in the balanced equation: C3H8 + 5 O2 -> 3 CO2 + 4 H2O?
23
30 sec
Q.
What is the mass of 2 moles of sodium chloride (NaCl)?
24
30 sec
Q.
In the reaction 2 H2 + O2 -> 2 H2O, how many grams of water are produced when 4 moles of hydrogen are consumed?
