Answers 350CR Integrated ScienceEnergy Transformations

Temperature and Heat Answers

0 verified answers

Free Preview

When the kinetic energy of particles in a substance decreases, what also decreases?

The size of the particles in the substance.

The number of particles in the substance.

The substance’s specific heat.

The substance’s temperature.

Free Preview

Copper has a specific heat of 0.386 J/g°C. How much heat is required to increase 5.00 g of copper from 0.0°C to 10.0°C?

3.86 J

5.00 J

10.0 J

19.3 J

Nya has a cup of hot tea that she lets cool down for several minutes. What effect does cooling have on the tea?

Its particles have less kinetic energy.

Its particles have more kinetic energy.

Its specific heat increases.

Its specific heat decreases.

In the heat equation, what does c represent?

heat required to raise the temperature

specific heat of the substance

mass of the substance

change in temperature

Water has a specific heat of 4.186 J/g°C, and ethanol has a specific heat of 2.450 J/g°C. Based on this information, which best compares water and ethanol?

It requires more heat to raise the temperature of a gram of ethanol by 1°C.

There are more molecules in a gram of water.

Ethanol has a lower formula mass.

Water has more protons and neutrons in its nuclei.

What are the units for measuring specific heat?

degrees Celsius per gram

joules per degrees Celsius

joules per gram degree Celsius

degrees Celsius per joule gram

Zoe finds that the temperature of a substance is 12 degrees Celsius. What does this tell Zoe about the substance?

Its internal energy is less than 12 degrees Celsius.

Its average kinetic energy is 12 on the Celsius scale.

It has a potential energy of 12 degrees Celsius.

It has a specific heat of 12 on the Celsius scale.

Did you find these answers helpful?

Temperature and Heat Answers

More from this Course

TRY EDGENUITY HACKS