Heat & Energy 19/20

The temperature of an unknown piece of metal with a mass of 30.00 g changes from 25.0 °C to 35.0 °C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?

• 1.17 J/g°C
• -1.17 J/g°C
• 0.857 J/g°C
• -0.857 J/g°C

Tags

NGSS.MS-PS3-4

Object A has a specific heat of 0.25 J/g⁰C and object B has a specific heat of 1.82 J/g⁰C. Which object will heat up faster?

• Object A, it has a lower specific heat

• Object B, it has a lower specific heat

• Object A, it has a higher specific heat

• Object B, it has a higher specific heat

Tags

NGSS.HS-PS3-4

Heat energy moves from __________ things to _________ things.

• warm / cold
• cold / warm
• liquid / solid

Tags

NGSS.MS-PS1-4

A reaction requires that 96.7 g of PCl₃ be raised from 31.7°C to 69.2°C. How much energy will this require given that the specific heat of PCl₃ is 0.874 J/g °C?

• 6350J

• 12700J

• 1584J

• 3169J

20 g of water. specific heat of water is 4.18 J/g°C.  temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 Joules
• 209 J
• 83 J
• 4.18 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

Tags

NGSS.MS-PS3-3

Is a measure of how hot or cold something is 

• Cold
• Heat
• Temperature
• Thermal Energy 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The energy of moving particles

• heat
• thermal energy
• school
• temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Any material that does not allow heat to pass through it easily 

• Friction
• Conductor
• Insulator
• Magnet

Tags

NGSS.MS-PS3-3

The movement of energy by waves 

• Wave
• Solar Energy
• Heat Waves 
• Radiation