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Heat

Authored by monica sibal

Physics

11th - 12th Grade

Used 22+ times

Heat
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. For the formula:

Q= m c ∆T

The units for specific heat are:

g /J °C

°C/g J

kJ/g

J/g°C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

one reaches a temperature of zero

they both have an equal temperature

one runs out of energy

none of these

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The total energy of all the particles in a substance is called:

temperature

thermal energy

degrees

mass

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the specific heat of water is 4.18 J/g∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?

-80,256

80.256

80,256

-80.256

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The SI unit of heat and energy is the __________.

calorie

heat

joule

watt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water molecules have the greatest kinetic energy in

________________

Ice at 0 °C.

Water at 373 K.

Water at 98 °C

Steam at 150 °C.

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