Calorimetry Review

Identify the given m in problem:

• 15.75 g

• 1086.75 J

• 150°C

• unknown (aka ?)

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

Identify the given ΔT in problem:

• 15.75 g

• 1086.75 J

• 150°C

• unknown (aka ?)

Tags

NGSS.HS-PS3-1

Identify the given q in problem:

• 15.75 g

• 1086.75 J

• 150°C

• unknown (aka ?)

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

Identify the given c in problem:

• 15.75 g

• 1086.75 J

• 150°C

• unknown (aka ?)

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

A calorimeter contains 200 g of water at 25°C. If 100 g of a substance at 100°C is added and the final temperature is 30°C, what is the specific heat capacity of the substance? (Assume no heat loss to the surroundings)

• 0.5 J/g°C

• 1.0 J/g°C

• 2.0 J/g°C

• 4.0 J/g°C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 250 g sample of a metal is heated from 20°C to 70°C, requiring 7500 J of energy. What is the specific heat capacity of the metal?

• 0.6 J/g°C

• 0.3 J/g°C

• 1.2 J/g°C

• 0.9 J/g°C

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

If 200 g of a substance absorbs 5000 J of heat and its temperature rises by 10°C, what is its specific heat capacity?

• 2.5 J/g°C

• 0.25 J/g°C

• 5.0 J/g°C

• 0.5 J/g°C

Tags

NGSS.HS-PS3-4

If 200 g of a substance releases 4000 J of heat and its temperature decreases by 20°C, what is its specific heat capacity?

• 1.0 J/g°C

• 0.5 J/g°C

• 2.0 J/g°C

• 0.25 J/g°C

Tags

NGSS.HS-PS3-4

In calorimetry, what is the purpose of using a calorimeter?

• To measure the temperature of a substance

• To measure the heat absorbed or released during a chemical reaction

• To measure the mass of a substance

• To measure the volume of a liquid

Tags

DOK Level 1: Recall

A 100 g sample of a substance is heated from 30°C to 80°C, absorbing 2500 J of heat. What is the specific heat capacity of the substance?

• 0.5 J/g°C

• 0.25 J/g°C

• 1.0 J/g°C

• 0.75 J/g°C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4