Calorimetry Review

A sample of an unidentified metal absorbs 50.0 J of heat energy and that raises the temperature of the metal by 25.0°C. If the metal has a specific heat of 0.10 J/g°C, what is the mass of the metal sample?

Write down ALL your work for this Quizziz question! Do not try to solve without writing-out the steps.

• 25 g

• 30. g

• 20. g

• 50. g

Tags

NGSS.HS-PS3-1

A piece of metal with a mass of 32.8 g is heated to 100.5°C and dropped into 138.2 g of water at 20.0°C. The final temperature of the system is 30.2°C. What is the specific heat capacity of the metal (assuming the specific heat of water is 4.184 J/g^oC)?

Write down ALL your work for this Quizziz question! Do not try to solve without writing-out the steps.

• 2.56 J/g°C

• 0.391 J/g°C

• 5.29 J/g°C

• 3.50 J/g°C

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

The specific heat of water is 4.184 J/g^oC.

If 980. J of energy is added to 6.2 g of water at 18. C, what is the final temperature of the water?

Write down ALL your work for this Quizziz question! Do not try to solve without writing-out the steps.

• 19. C

• 5.6 C

• 0.0056 C

• 56. C

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

The variable for heat energy is ...

• q or Q

• m

• c

• ΔT

Tags

NGSS.HS-PS3-4

For the formula:

Q= m⋅ c ⋅ ∆T

The units for specific heat are:

• g /J⋅°C

• °C/g⋅J

• kJ/g

• J/g⋅°C

Tags

NGSS.HS-PS3-1

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down
• They would stop moving
• They would speed up
• There would be no effect

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-5

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero
• they both have an equal temperature
• one runs out of energy

Tags

NGSS.HS-PS3-4

The total amount of kinetic energy (or energy of motion) of all the particles in a substance is called:

• temperature

• thermal energy

• degrees

• mass

Tags

NGSS.HS-PS3-2

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

• High, because you want the temperature of the skillet to have a small temperature change when is heat added.

• Low, because you want the temperature of the skillet to rise rapidly when heat is added.

Answer explanation

Tags

NGSS.HS-PS3-4

The SI unit (standard metric unit) of heat and energy is the __________.

• calorie

• heat

• joule

• watt

Tags

NGSS.HS-PS3-4