Chem 1 Energy & Combustion Content Quiz 2

Which of the following is the correct formula for calculating heat energy?

• Q=mcΔT

• T=qmΔc

• c=QmΔT

• m=qTΔc

What does "c" stand for in the heat equation?

• calculation

• heat

• specific heat

• temperature

What does "Q" stand for in the heat equation?

• calculation

• heat

• specific heat

• temperature

What does "ΔT" stand for in the heat equation?

• temperature

• change in heat

• specific heat

• change in temperature

What does "m" stand for in the heat equation?

• measure of temperature

• change in heat

• specific heat

• mass

What unit are we using for heat in our lab investigation on heat energy?

• m

• J/g∘C

• ∘C

• J

What unit are we using for specific heat capacity in our lab investigation on heat energy?

• m

• J/g∘C

• ∘C

• J

What unit are we using for ΔT in our lab investigation on heat energy?

• g

• J/g∘C

• ∘C

• J

What unit are we using for m in our lab investigation on heat energy?

• g

• mL

• ∘C

• kg

(use scrap paper and a calculator) If a beaker with 354g of water is heated from a temperature of 25°C to a temperature of 56°C over a period of 5 minutes, how much heat energy was transferred?

• 31°C

• 45,871.32 J

• 14,79.72 J

• 7,398.6 J

• 81°C