Chemistry Semester 2 Review

In the chemical equation HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l), HCl(aq) is a ________.

• Reactant

• Product

• Catalyst

• Subatomic particle

Tags

NGSS.HS-PS1-7

In the chemical equation H2O2(aq) → O2(g) + H2O(l), O2(g) is a ________.

• Product

• Solid

• Catalyst

• Reactant

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In a chemical reaction, the mass of the products compared to the mass of the reactants is ________.

• Less than the mass of the reactants

• Greater than the mass of the reactants

• Equal to the mass of the reactants

• Unpredictable without more information

Tags

NGSS.HS-PS1-7

Which of the following is the correct chemical equation for the reaction where lead(II) nitrate reacts with sodium bromide to produce lead(II) bromide and sodium nitrate?

• Pb2N + Sr → Pb2Br + SN

• Pb(NO3)2 + 2NaBr → PbBr2 + 2NaNO3

• Ld2NO2 + NaBr → Ld2Br + NaNO2

• Pb2NO2 + 2NaBr → Pb2Br + 2NaNO2

Classify the reaction type for the reaction: CaCO3 → CaO + CO2

• Synthesis

• Decomposition

• Combustion

• Single Replacement

Classify the reaction type for the reaction: Al2(SO4)3 + 3BaCl2 → 3BaSO4 + 2AlCl3

• Synthesis

• Decomposition

• Combustion

• Double Replacement

Predict the products for the single replacement reaction Zn + AgNO3.

• Zn(NO3)2 + Ag

• ZnO + Ag

• Zn + Ag2O

• Zn2O + Ag

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the balanced chemical equation when aluminum (Al) reacts with copper(II) sulfate (CuSO4)?

• Al + CuSO4 -> Al2(SO4)3 + Cu

• Al + CuSO4 -> AlSO4 + Cu

• Al + CuSO4 -> Al2O3 + CuS

• Al + CuSO4 -> AlS + CuO

Tags

NGSS.HS-PS1-7

Predict the products for the following single replacement reaction:

Solid aluminum reacts with aqueous hydrochloric acid to produce _______________________________.

• Aqueous aluminum chloride and hydrogen gas

• Aqueous aluminum (III) chloride and hydrogen gas

• Solid aluminum and aqueous hydrochloric acid

• Solid hydroumaluminum and chlorine gas

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following represents the correctly balanced chemical equation for photosynthesis?

• 6 CO2 + 3 H2O -> C6H12O6 + 6 O2

• 6 CO2 + 6 H2O -> 3 C6H12O6 + 6 O2

• 6 CO2 + 6 H2O -> C6H12O6 + 6 O2

• 6 CO2 + 3 H2O -> 3 C6H12O6 + 6 O2

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5