Chemical Reactions Quiz

Write balanced equations for the following reactions: The reaction of NH3 with iodine to form nitrogen triiodide and hydrogen gas.

• 2NH3 + I2 -> NH2I + N2 + H2
• 4NH3 + 2I2 -> 2NH2I + N2 + 2H2
• 6NH3 + 3I2 -> 4NH4I + N2 + H2
• 2NH3 + 3I2 -> 2NI3 + 3H2

Write balanced equations for the following reactions: The reaction of octane (C8H18) with oxygen to produce carbon dioxide and water.

• 2C8H18 + 25O2 → 16CO2 + 18H2O
• 2C8H18 + 25O2 → 16CO2 + 20H2O
• C8H18 + O2 → CO2 + H2O
• C8H18 + 12.5O2 → 8CO2 + 9H2O

Write balanced equations for the following reactions: The reaction of copper (II) oxide with hydrogen to form copper metal and water.

• CuO + H2 -> Cu2O + H2O
• CuO + H2 -> CuO + H2
• CuO + H2 -> Cu + H2O
• CuO + H2 -> CuO2 + H2O

Write balanced equations for the following reactions: The reaction of C8H18O3 with oxygen to produce carbon dioxide and water.

• C8H18O3 + 20O2 → 16CO2 + 18H2O
• C18H34O3 + 25O2 → 18CO2 + 17H2O

• C8H18O3 + 25O2 → 16CO + 18H2O
• C8H18O3 + 25O2 → 16CO2 + 18H2

For the reaction: AlBr3 + Cl2 → AlCl3 + Br2, if 2.50 moles of aluminum bromide reacts, how many moles of bromine gas will form?

• 2.50 moles
• 3.75 moles
• 5.00 moles
• 1.25 moles

For the reaction: AlBr3 + Cl2 → AlCl3 + Br2, if 45.0 moles of aluminum chloride are produced, how many moles of bromine gas will form?

• 67.5 moles

• 22.5 moles
• 90.0 moles
• 30.0 moles

For the reaction: AlBr3 + Cl2 → AlCl3 + Br2, if 78.0 grams of chlorine gas react, how many grams of aluminum chloride will form?

• 156.48 grams of aluminum chloride will form

• 300.0 grams of aluminum chloride will form
• 50.0 grams of aluminum chloride will form
• 97.79 grams of aluminum chloride will form

For the reaction: AlBr3 + Cl2 → AlCl3 + Br2, if 5.0 grams of aluminum bromide react, how many grams of bromine will form?

• 3.3 grams of bromine will form
• 1.5 grams of bromine will form
• 4.49 grams of bromine will form

• 2.0 grams of bromine will form

For the reaction: AlBr3 + Cl2 → AlCl3 + Br2, if you begin with 7.5 moles of chlorine, how many moles of aluminum chloride will form?

• 1.25 moles of aluminum chloride will form.
• 3.75 moles of aluminum chloride will form.
• 7.5 moles of aluminum chloride will form.
• 5.0 moles of aluminum chloride will form.

For the reaction: AlBr3 + Cl2 → AlCl3 + Br2, how many grams of chlorine gas are needed to make 75.0 grams of aluminum chloride?

• 106.67 grams of chlorine gas are needed to make 75.0 grams of aluminum chloride.
• 59.82 grams of chlorine gas are needed to make 75.0 grams of aluminum chloride.

• 75.0 grams of chlorine gas are needed to make 75.0 grams of aluminum chloride.
• 200.0 grams of chlorine gas are needed to make 75.0 grams of aluminum chloride.