Evaluation and Feedback Summary

The branch of chemistry dealing with the rate of chemical reactions is called ______.

• Kinetics

• Thermodynamics

• Electrochemistry

• Organic Chemistry

The change in concentration of reactants or products per unit time is the ______.

• Rate

• Velocity

• Acceleration

• Momentum

The rate of reaction at a given instant is termed the ______ rate.

• Instantaneous

• Average

• Initial

• Final

The rate of reaction measured over a time interval is called the ______ rate.

• Average

• Instantaneous

• Initial

• Final

If a reaction’s rate is measured in mol L⁻¹ s⁻¹, which concentration unit is used?

• Molar

• Molal

• Normal

• Parts per million

The rate expression Rate = k[A]ᵐ[B]ⁿ is known as the ______ law.

• Rate

• First-order

• Second-order

• Third-order

In the rate law, the constant k is called the rate ______.

• Constant

• Coefficient

• Factor

• Multiplier

The power to which the concentration of a reactant is raised in the rate law is called the ______.

• Order

• Coefficient

• Exponent

• Factor

The sum of exponents m + n in the rate law is the overall ______ of the reaction.

• Order

• Rate

• Speed

• Constant

A reaction whose rate is independent of the concentration of reactant is ______ order.

• Zero

• First

• Second

• Third