Calculating Heat

A 0.01575 kg piece of iron absorbs 1086.75 J of heat energy, and its temperature changes from 25 to 175 degrees Celsius. Calculate the specific heat capacity of iron.

• 69, 016 J/g*degrees Celsius

• 460 J/g*degrees Celsius

• 0.002 J/g*degrees Celsius

• 7.25 J/g*degrees Celsius

Tags

NGSS.HS-PS3-1

How many joules of heat are needed to raise the temperature of 0.01 kg of aluminum from 22 to 55 degrees Celsius, if the specific heat of aluminum is 0.90 J/g*degrees Celsius?

• 33 J

• 30 J

• .33 J

• .297 J

Tags

NGSS.HS-PS3-4

What is the specific heat capacity of silver metal if .055 kg of the metal absorbs 47.3 J of heat and the temperature rises 15 degrees Celsius?

• 57.3 J/g*degrees Celsius

• .017 J/g*degrees Celsius

• 39 J/g*degrees Celsius

• 3.15 J/g*degrees Celsius

What mass of water will change its temperature by 3 degrees Celsius when 525 J of heat is added to it? The specific heat of water is 4.18 J/g*degrees Celsius.

• 175 kg

• 41.9 kg

• 126 kg

• 6,584 kg

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

Specific Heat

• Materials that do not conduct heat well.

• A material that conducts heat well,

• The amount of energy required to raise the temperature of 1 kilogram of a material by 1 kelvin.

• The expansion of matter when it is heated.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Calculate the specific heat capacity of a piece of wood if 1.5 kg of the wood absorbs 67,500 J of heat, and its temperature changes from 32 to 57 degrees Celsius.

• 45,000 J/g*degrees Celsius

• 1800 J/g*degrees Celsius

• 2700 J/g*degrees Celsius

• .0006 J/g*degrees Celsius

Tags

NGSS.HS-PS3-4

kg of 4.0 degrees Celsius water is heated until its temperature is 37 degrees Celsius. If the specific heat of water is 4.18 J/g*degrees Celsius, calculate the amount of heat energy needed to cause this rise in temperature.

• 15.47 J

• .0127 J

• 1.67 J

• 13.79 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

.025 kg of mercury is heated from 25 to 155 degrees Celsius, and absorbs 455 J of heat in the process. Calculate the specific heat capacity of mercury.

• 18,200 J/g*degrees Celsius

• 3.5 J/g*degrees Celsius

• 140 J/g*degrees Celsius

• .007 J/g*degrees Celsius

Tags

NGSS.HS-PS3-4

A .0003 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred by heat to the copper is 66,300 J. If the specific heat of copper is 390 J/g*degrees Celsius, what is the change of the copper's temperature?

• 566,667 degrees Celsius

• 7,757 degrees Celsius

• 1.76 x 10^-6 degrees Celsius

• 170 degrees Celsius

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The quantity with joules as units is

• Q

• m

• C

• ΔT

Tags

NGSS.HS-PS3-4