1: Select all of factors that affect the rate of a chemicalreaction:

	A) activation energy
	B) configuration effectiveness
	C) Frequency of collisions
	D) kinetic energy of colliding particles 2) The initial energy that needs to be supplied to start achemical reaction is called: A) Heat of reaction B) Activation energy C) Transition state D) Potential energy 3) Select all statements that are correct: A) Chemical reactions are faster when there are more particlesof reactants in a small volume B) Chemical reactions are faster when particles of reactantshave more space to move through C) Chemical reactions are faster when the average kinetic energyof the particles is higher D) Chemical reactions are faster when the potential energy ofthe particles is higher 4) Select all statements that are correct: A) During an endothermic process, the surroundings getcolder B) In an endothermic process, the potential energy of reactantsis higher than the potential energy of the products C) In an exothermic process, energy is released to theenvironment D) In an exothermic process, potential energy of the reactantsis transformed into kinetic energy 5) Which of the following statements is true: A) The rate of chemical reactions does not depend on thecomplexity of the particles involved B) Chemical reactions are slower when the particles of thereactants are made of smaller molecules C) Chemical reactions are faster when the particles of thereactants are more complex D) Chemical reactions are faster when fewer different reactantsare involved