Intro to Thermochemistry Learning Check

The ability to do work is

• force

• mass

• energy

• momentum

Work is

• writing a lab report

• shoveling snow

• moving an object

• all of the above

A reaction that absorbs heat from the surroundings is

• exothermic

• endothermic

• exogonic

• hydrophobic

If the change in heat is negative the reaction is

• exothermic

• endothermic

• endogonic

• hydrophilic

The sum of the change in heat and work is

• kinetic energy

• light

• internal energy

• potential energy

Heat flows from _______ to ______ objects

• cooler to warmer

• warmer to warmer

• warmer to cooler

• cooler to cooler

Heat is measured in

• joules

• grams

• degrees celcius

A(n) _____________ is a device for measuring temperature.

• thermometer

• barometer

• anemometer

• psychrometer

Temperature is a measure of the...

• total energy in a substance
• total kinetic energy in a substance
• average potential energy in a substance
• average kinetic energy of molecules in a substance

A slower particle has a lower energy than an identical, faster particle.

• True
• False