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Chemical Equilib

Thermochemistry, Equilbrium, Reaction rates

TermDefinition
Concentration of products and reactants stops changing equilibrium
Adding heat makes reactions go: Faster
Decreasing concentration of reactants makes reactions go: Slower
Reaction in which products can react to re-form reactants Reversible
Removing products in a reversible reaction Shifts the equilibrium to the right
Adding products in a reversible reaction Shifts the equilibrium to the left
Which two factors are important to have a successful collision in a chemical reaction? Sufficient energy and the correct orientation of the particles
What is a catalyst? Lowers the activation energy
What is a calorie? Amount of energy that increases temperature of 1 ml of water by 1 degree C
What is a joule? SI unit of energy; 1 cal = 4.182 joules
In an exothermic process, energy is a: product
In an endothermic reaction, energy is a: reactant
A reaction that will give off heat to the surroundings Exothermic
A reaction that absorbs or take in heat from the surroundings Endothermic
How do you increase the surface area of a solid? Cut it up or grind it into tiny pieces
What are biological catalysts called? Enzymes
What is the energy that gets a reaction started called? Activation energy
What is a Calorie? 1000 calories or 1 kcal
What do we measure the average kinetic energy of particles in a substance as? Temperature
Created by: mmetzler