Thermal Energy Temperature Heat

what is specific heat

• Bakers mixtape

• a basketball team

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

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What  is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mc∆t

• Q=mc

• Q= ½mv

• m=QC

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If the particles in an object have more kinetic energy, what must be true?

• The object's temperature is lower

• The object's temperature is higher

• The object moves faster

• The object is heavier

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The total kinetic energy of a substance's particles

• thermal energy

• heat

• convection

• conduction

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The specific heat of aluminum is 0.21 cal/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?

• 105 J

• 10.5 J

• 1.05 J

• 50 J

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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

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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 of copper?

• 12.82 °C

• 24.12°C

• 351 °C

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NGSS.MS-PS1-4

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A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate the specific heat capacity of iron.

• 0.46 J/g^oC

• 1.654 J/g^oC

• 2,567,446.875 J/g^oC

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NGSS.MS-PS3-4

A measure of the average kinetic energy of the individual particles in an object is called:

• thermal energy

• conduction

• convection

• temperature

When a popsicle melts, the particles in the popsicle _____.

• gain thermal energy and speed up

• there are no particles in popsicles

• lose thermal energy and slow down

• stay the same

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