Chemistry Test: Lessons 32-36

What is the definition of Activation Energy?

• The energy required to break a bond in a molecule.

• The minimum energy required to stop a chemical reaction.

• The energy produced during a chemical reaction.

• The energy threshold that must be overcome to produce a chemical reaction.

What does Amorphous mean?

• A gaseous state of matter.

• A solid whose particles are arranged in a regular pattern.

• A solid whose particles have no orderly pattern.

• A liquid state of matter.

What is a Catalyst?

• A chemical that changes its composition during a reaction.

• A substance that remains unchanged after a chemical reaction.

• The chemical that speeds up a reaction without entering into it.

• A substance that reduces the speed of a chemical reaction.

What does Crystalline refer to?

• A liquid with a fixed volume but no fixed shape.

• A solid that has its atoms arranged in an orderly way.

• A solid that has its atoms arranged in a random way.

• A gas that fills any container it is placed in.

What is Electrolysis?

• The process of dissolving a solid in a liquid.

• The process of freezing a liquid into a solid.

• The process of heating a solid until it melts.

• Breaking apart, or lysis, of molecules using electricity.

What does Ductile mean?

• Stretched out into wire.

• Able to be dissolved in water.

• Able to be compressed into a smaller volume.

• Able to be expanded without breaking.

What is the Equilibrium State?

• The state at which all reactants have been used up.

• When a reaction's forward and reverse processes are perfectly balanced.

• The initial state of a chemical reaction.

• The final state of a chemical reaction where no more products can be formed.

What is a Galvanic Cell?

• A device that measures the concentration of a solution.

• A container used for performing electrolysis.

• An apparatus that generates electrical energy from a redox reaction.

• A tool for mixing chemical reactants.

What does Malleable mean?

• Able to be vaporized at room temperature.

• Able to be cut into thin slices.

• Able to be frozen without cracking.

• Able to be pounded flat or into shapes.

What is the Rate-limiting step?

• The step that produces the most product.

• The slowest step in a chemical reaction.

• The step that requires the least energy.

• The fastest step in a chemical reaction.