12 Questions
What are the substances that go away over a period of time in a chemical reaction called?
Reactants
What term is used for the substances that are newly formed with a different set of properties from their original material in a chemical reaction?
Products
Which area of chemistry is concerned with the speed or rate at which chemical reactions occur?
Chemical kinetics
What determines the rate of a given chemical reaction?
Temperature of the surroundings
What factor can affect the rate of a chemical reaction by increasing the frequency of collisions between reactant molecules?
Surface area of reactants
Which factor can alter the rate of a chemical reaction by influencing the energy and frequency of collisions between reactant molecules?
Concentration of reactants
What is the relationship between the rate of the forward reaction and the rate of the backward reaction in a chemical equilibrium?
The rate of the forward reaction equals the rate of the backward reaction
According to the Brønsted-Lowry theory, what defines an acid?
A substance that donates protons
Which statement best describes a reversible reaction in a chemical equation?
It uses a double-headed arrow to indicate simultaneous forward and backward reactions
What does the power to which a reactant appears in its rate law expression determine?
The reaction order of the reactant
In chemical equilibrium, what happens to the concentrations of reactants and products?
There is no net change in their concentrations
How did Johannes Nicolaus Brønsted and Thomas Martin Lowry define acids and bases?
Based on their ability to donate or accept protons
Learn about the rate and order of reaction in chemical kinetics, where materials are consumed to form new substances. Understand the concepts of reactants, products, and common chemical reactions like combustion.
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