Calorimetry

How many joules of heat are needed to raise the temperature of 10 g of aluminium from 22°C to 55°C, if the specific heat of aluminium is 0.9 J/g °C

• 297 J

• 0.003 J

• 297 J/g °C

• 0.003 J/g °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What phase of matter is illustrated in Region C of the heating curve

• solid

• liquid

• gas

• solid and liquid

Tags

NGSS.MS-PS1-4

Why does the graph have two flat lines at A and B?

• Those are the times when we took the vessel containing water off the stove

• Those are phase changes where the temperature doesn't change

• The lines are flat because the water is in all three phases

• The line is flat as the temperature increases the most at these points

Tags

NGSS.MS-PS1-4

How long did the substance take to convert from gaseous state to liquid state?

• 3 min

• 2 min

• 7 min

• 8 min

Water molecules have the greatest kinetic energy when it is

• ice at 0°C

• Water at 373 K

• Water at 98°C

• Steam at 150°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A metal cube at 10°C is immersed inside a liquid at 70°C. What is the temperature of the metal cube when thermal equilibrium has been achieved?

• Between 10°C and 70°C

• More than 70°C

• Less than 10°C

• Same as room temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which material will heat up faster?

• Copper

• Lead

• Liquid Water

• Basalt

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The heat absorbed by melting a solid is known as

• Latent heat of fusion

• Latent heat of vaporisation

• Latent heat of liquid

• latent heat of solid

Tags

NGSS.MS-PS1-4

Compare the specific heat of two iron blocks - A or B; if A's mass is three times that of B?

• A > B

• A < B

• A = B

• Cannot be determined with given information

Tags

NGSS.MS-PS3-4

Describe what happens to juice when freezing takes place.

• Heat is being added, so the liquid changes to a solid.

• Heat is being added, so the liquid stays a liquid.

• Heat is being removed, so the liquid changes to a gas.

• Heat is being removed, so the liquid changes to a solid.

Tags

NGSS.MS-PS1-4