Terms you should know

What is the lowest possible temperature theoretically at Absolute Zero?

• 0 R

• 0 K

• 0°C

• 0°F

What is accuracy a measure of?

• Temperature

• Distance

• Speed

• Closeness to true value

What is the pH range of acids?

• Equal to 7

• Greater than 7

• Exactly 7

• Less than 7

What is an alkali metal?

• A metal in group II

• A metal in group I

• A metal in group III

• A metal in group IV

What is the definition of a covalent bond?

• A bond formed by transfer of electrons

• A bond formed by attraction of opposite charges

• A bond formed by repulsion of similar charges

• A bond formed by sharing electrons

What is the role of a catalyst in a chemical reaction?

• Speeds up the reaction

• Slows down the reaction

• Consumed by the reaction

• Changes the products formed

What is the critical point in a phase diagram?

• The starting point of a reaction

• The end point of the liquid-vapor line

• The point of maximum pressure

• The point of minimum temperature

What is the definition of entropy?

• Measure of pressure in a system

• Measure of disorder or randomness in a system

• Measure of energy in a system

• Measure of temperature in a system

What is the purpose of calorimetry?

• To determine color of a substance

• To measure volume of a substance

• To study heat flow

• To analyze crystal structure

What is the oxidation number of an oxygen atom?

• -1

• 0

• +1

• -2