CP Chemistry Chemical Reaction Basics (4/17/2025)

Required

2

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?
Zn + HCl → ZnCl2 + H2

2

Examine the following reaction, then identify the reactants and products:

H2O2 --> H2O + O2

O2
H2O
H2O2

Reactant(s)
Product(s)

Required

1

Is it possible to have a chemical reaction where there is only one reactant?

Required

1

If a gas is produced in a chemical reaction, does that gas count as a product?

Required

4

Balance the Equation(use the format of 2, 4, 1,3)

N2 + O2 + H2O → HNO3

Required

3

Balance the Equation(use the format of 2, 4, 1)

__Al + _Br2 → __AlBr3

Required

0

Students want to gather evidence for the claim that the number of atoms before a chemical reaction is equal to the number of atoms after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide the evidence the students need?

Required

2

Which of the following is true regarding the atoms involved in a chemical reaction?

Required

2

Match the nonmetal with its expected reaction product.

Draggable item		Corresponding Item
Oxygen with iron sulfide		Iron oxide and sulfur dioxide
Fluorine with potassium iodide		Potassium fluoride and iodine
Chlorine with sodium bromide		Sodium chloride and bromine

Required

2

Identify the reaction types based on these metals.

Draggable item		Corresponding Item
Iron with hydrochloric acid		Produces sodium hydroxide and hydrogen
Calcium and sulfur		Gives iron chloride and hydrogen gas
Sodium reacts with water		Results in calcium sulfide

Required

2

What is the total number of atoms in 2H2 + O2?

Required

2

CP Chemistry Chemical Reaction Basics (4/17/2025)

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?
Zn + HCl → ZnCl2 + H2

Examine the following reaction, then identify the reactants and products:

H2O2 --> H2O + O2

Is it possible to have a chemical reaction where there is only one reactant?

If a gas is produced in a chemical reaction, does that gas count as a product?

Balance the Equation(use the format of 2, 4, 1,3)

N2 + O2 + H2O → HNO3

N2 + O2 + H2O → HNO3

Balance the Equation(use the format of 2, 4, 1)

__Al + _Br2 → __AlBr3

__Al + _Br2 → __AlBr3

Students want to gather evidence for the claim that the number of atoms before a chemical reaction is equal to the number of atoms after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide the evidence the students need?

Which of the following is true regarding the atoms involved in a chemical reaction?

Match the nonmetal with its expected reaction product.

Identify the reaction types based on these metals.

What is the total number of atoms in 2H2 + O2?

In balancing 3H2 + O2 → 2H2O, which is the coefficient of O2?

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?
Zn + HCl → ZnCl2 + H2

Examine the following reaction, then identify the reactants and products:

H2O2 --> H2O + O2

Is it possible to have a chemical reaction where there is only one reactant?

If a gas is produced in a chemical reaction, does that gas count as a product?

Balance the Equation(use the format of 2, 4, 1,3)

N2 + O2 + H2O → HNO3

N2 + O2 + H2O → HNO3

Balance the Equation(use the format of 2, 4, 1)

__Al + _Br2 → __AlBr3

__Al + _Br2 → __AlBr3

Students want to gather evidence for the claim that the number of atoms before a chemical reaction is equal to the number of atoms after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide the evidence the students need?

Which of the following is true regarding the atoms involved in a chemical reaction?

Match the nonmetal with its expected reaction product.

Identify the reaction types based on these metals.

What is the total number of atoms in 2H2 + O2?

In balancing 3H2 + O2 → 2H2O, which is the coefficient of O2?

CP Chemistry Chemical Reaction Basics (4/17/2025)

CP Chemistry Chemical Reaction Basics (4/17/2025)

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?Zn + HCl → ZnCl2 + H2

Examine the following reaction, then identify the reactants and products:H2O2 --> H2O + O2

Is it possible to have a chemical reaction where there is only one reactant?

If a gas is produced in a chemical reaction, does that gas count as a product?

Balance the Equation(use the format of 2, 4, 1,3)____N2 + ____O2 + ____H2O → ____HNO3

____N2 + ____O2 + ____H2O → ____HNO3

Balance the Equation(use the format of 2, 4, 1)____Al + _____Br2 → ____AlBr3

____Al + _____Br2 → ____AlBr3

Students want to gather evidence for the claim that the number of atoms before a chemical reaction is equal to the number of atoms after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide the evidence the students need?

Which of the following is true regarding the atoms involved in a chemical reaction?

Match the nonmetal with its expected reaction product.

Identify the reaction types based on these metals.

What is the total number of atoms in 2H2 + O2?

In balancing 3H2 + O2 → 2H2O, which is the coefficient of O2?

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?Zn + HCl → ZnCl2 + H2

Examine the following reaction, then identify the reactants and products:H2O2 --> H2O + O2

Is it possible to have a chemical reaction where there is only one reactant?

If a gas is produced in a chemical reaction, does that gas count as a product?

Balance the Equation(use the format of 2, 4, 1,3)____N2 + ____O2 + ____H2O → ____HNO3

____N2 + ____O2 + ____H2O → ____HNO3

Balance the Equation(use the format of 2, 4, 1)____Al + _____Br2 → ____AlBr3

____Al + _____Br2 → ____AlBr3

Students want to gather evidence for the claim that the number of atoms before a chemical reaction is equal to the number of atoms after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide the evidence the students need?

Which of the following is true regarding the atoms involved in a chemical reaction?

Match the nonmetal with its expected reaction product.

Identify the reaction types based on these metals.

What is the total number of atoms in 2H2 + O2?

In balancing 3H2 + O2 → 2H2O, which is the coefficient of O2?

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?
Zn + HCl → ZnCl2 + H2

Examine the following reaction, then identify the reactants and products:

H2O2 --> H2O + O2

Balance the Equation(use the format of 2, 4, 1,3)

N2 + O2 + H2O → HNO3

N2 + O2 + H2O → HNO3

Balance the Equation(use the format of 2, 4, 1)

__Al + _Br2 → __AlBr3

__Al + _Br2 → __AlBr3

The skeleton chemical equation for the reaction between zinc metal and hydrochloric acid is shown. What change needs to be made in order to balance this reaction equation?
Zn + HCl → ZnCl2 + H2

Examine the following reaction, then identify the reactants and products:

H2O2 --> H2O + O2

Balance the Equation(use the format of 2, 4, 1,3)

N2 + O2 + H2O → HNO3

N2 + O2 + H2O → HNO3

Balance the Equation(use the format of 2, 4, 1)

__Al + _Br2 → __AlBr3

__Al + _Br2 → __AlBr3