Calorimetry Review

For the formula, q= m c ∆T, the q represents:

• mass

• heat energy

• specific heat

• temperature

Tags

NGSS.HS-PS3-4

The first law of thermodynamics states that:

• energy can be created.

• energy can be destroyed.

• energy can neither be created nor destroyed

Tags

NGSS.HS-PS3-1

The total energy of all the particles in a substance is called: 

• temperature
• thermal energy
• degrees
• mass

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

If the specific heat of water is 4.18 J/g∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?

• -80,256 J

• 80.256 J

• 80,256 J

• -80.256 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

For a skillet, used for cooking, do you want a high or low specific heat?

• High, so that it will need more energy to heat up

• Low, so that it will change temperature quickly

True or False? Specific heat refers to the characteristic amount of heat absorbed or released when an object's temperature changes by 1 degree celsius.

• False

• True

A sample of iron receives 50.J of heat energy that raises the temperature of the iron by 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample?

• 25g

• 30g

• 20g

• 50g

Tags

NGSS.HS-PS3-1

True or False? According to the law of conservation of energy, whenever heat is gained, it is lost somewhere else by the same amount.

• True

• False

Tags

NGSS.HS-PS3-1