In redox reactions, the reactant that is oxidized is also called the . a. oxidizing agent.
b. reducing agent.
c. reductant.
d. oxidant.

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.