Calculating Specific Heat

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 J

• 209 J

• 83 J

• 4.18 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is Specific Heat?

• The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
  

• The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C

• The  amount of energy required to increase the temperature of 1kgof a material by 1°C.

• The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

6200 J of heat is used to increase the temperature of a 1.2 kg metal block. The specific heat capacity of metal block is 450 J kg^{-1}°C^{-1}. What is the rise in temperature of the metal block ?

• 9.6 °C

• 11.5 °C

• 15.0 °C

• 360.0 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The amount of heat energy required to change the temperature of a substance is referred to as its...

• density

• specific heat

• half-life

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

According to page 1 of the ESRT, what is the specific heat value of liquid water (in joules per gram)?

• 0.45

• 0.84

• 2.11

• 4.18

Tags

NGSS.MS-PS3-4

According to page 1 of the ESRT, which material has the highest specific heat value?

• liquid water

• ice

• iron

• lead

The specific heat value of copper is higher than the specific heat value of lead. This means that...

• copper heats up at a faster rate than lead

• copper heats up at a slower rate than lead

According to page 1 of the ESRT, which material has a specific heat value of 2.00?

• ice

• water vapor

• copper

• iron

Which property causes the water in Lake Erie to feel much cooler than the surrounding land and air during the early weeks of summer?

• the high specific heat value of the water

• the low specific heat value of the water

• the density of the water

• the volume of the lake

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Equal masses of basalt, iron, and copper are placed in the Sun for 30 minutes. Based on their specific heat values, which material will heat up at the fastest rate?

• basalt

• iron

• copper

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5