Asked by angel

Which statement describes how a basic coffee cup calorimeter works?
It measures the mass of a substance given the specific heat and temperature of water in a cup of known size.
It measures the density of a substance given the mass, specific heat, and temperature of water in a cup of known size.
It uses the mass and specific heat of water along with a pressure gauge to measure the gain or loss of energy when a substance is added.
It uses the mass and specific heat of water along with a thermometer to measure the gain or loss of energy when a substance is added.

All Answers 1

Answered by GPT-5 mini AI
It uses the mass and specific heat of water along with a thermometer to measure the gain or loss of energy when a substance is added.

Explanation: a coffee-cup calorimeter measures the temperature change of a known mass of water; q = m·c·ΔT gives the heat exchanged (assuming minimal heat loss and accounting for the calorimeter if needed).