M5 Chem Practice

_____ the ability to do work. Energy can be converted into different forms and transferred between objects. Energy cannot be created or destroyed

• temperature

• energy

• heat

• work

a measure of the average kinetic energy of particles

• temperature

• heat

• energy

• work

a scale used to measure temperature. The units are called kelvin and have the symbol K? ccdcc

• Weight Scale

• Calvin Scale

• surroundings

• Kelvin Scale

the temperature that represents zero on the kelvin scale (0 K).

• kelvin scale

• absolute zero

• Absolutely hot

• work

can exchange mass and energy with the surroundings

• system

• closed system

• open system

• team

the part of the universe being studied

• open system

• system

• team

• closed system

can exchange energy but not mass with the surroundings

• closed system

• open system

• system

• team

a reaction that gives off heat

• endothermic

• exothermic

a reaction that takes in heat

• endothermic

• exothermic

 the amount of heat needed to raise the temperature of 1 g of a substance by 1 kelvin. Units are J g-1 K-1

• Kelvin Capacity

• specific heat capacity

• total heat capacity

• Absolute Zero