Heat Equations

The symbol for heat is

• c

• m

• q

• ΔT

How do you calculate ΔT?

• T_initial -T_final

• T_final -T_initial

• T_initial - T_start

• T_final- T _end

How many Joules of energy are required to make 100 grams of ice at 0 °C completely melt?

• 200 J

• 400 J

• 33,400 J

• 2,000,000 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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.MS-PS1-4

How many Joules of energy are required to make 120 grams of ice at 0 ^οC completely melt?

• 200 J

• 400 J

• 40,080 J

• 2,000,000 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Calculate the amount of energy required to freeze 98.0 grams of water?

• 32732J

• 146.3J

• 11690J

• 39939.9J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the freezing point for this substance?

• 60 °C

• 40 °C

• 80 °C

• 100 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C? 

• -80,371.2

• 44,938.6

• 80,371.2

• 112,575.9

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams?

• 12.82 °C

• 24.12°C

• 351 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the formula for calculating heat transfer in a substance?

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4