Question 1

A

0.5	ext{ kg}

block of an unknown metal absorbs

4500	ext{ J}

of heat, causing its temperature to rise from

20^\circ	ext{C}

to

40^\circ	ext{C}

. What is the specific heat capacity of the metal?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 2

An aluminum engine part with a mass of

0.5	ext{ kg}

and a specific heat of

4500	ext{ J}

cools down from

20^\circ	ext{C}

to

40^\circ	ext{C}

. How much heat energy was released by the part?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 3

If

0.5	ext{ kg}

of water (specific heat

4500	ext{ J}

) requires

20^\circ	ext{C}

of energy to heat up, by how many degrees Celsius did its temperature increase?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 4

A mystery substance with a mass of

0.5	ext{ kg}

is heated from

4500	ext{ J}

to

20^\circ	ext{C}

using

40^\circ	ext{C}

of energy. Identify the substance based on its specific heat capacity.

Accepted Answer

Copper (

0.5	ext{ kg}

)

Answer

Iron (

0.5	ext{ kg}

)

Answer

Gold (

0.5	ext{ kg}

)

Answer

Lead (

0.5	ext{ kg}

)

Question 5

A

0.5	ext{ kg}

sample of glass requires

4500	ext{ J}

of energy to increase its temperature by

20^\circ	ext{C}

. What is the specific heat capacity of this glass?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 6

An unknown metal object with a mass of

0.5	ext{ kg}

is heated using

4500	ext{ J}

of energy. If the temperature of the object increases from

20^\circ	ext{C}

to

40^\circ	ext{C}

, what is the specific heat capacity of the metal?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

0.5	ext{ kg}

Answer

0.5	ext{ kg}

Answer

0.5	ext{ kg}

Question 7

How much thermal energy is required to raise the temperature of a

0.5	ext{ kg}

block of iron from

4500	ext{ J}

to

20^\circ	ext{C}

? (Note: Specific heat capacity of iron is

40^\circ	ext{C}

)

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 8

If

0.5	ext{ kg}

of heat is added to a

4500	ext{ J}

sample of a substance and its temperature increases by

20^\circ	ext{C}

, what is the specific heat capacity of the substance?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 9

A

0.5	ext{ kg}

sample of an unknown liquid at

4500	ext{ J}

is heated with

20^\circ	ext{C}

of energy. If the final temperature is

40^\circ	ext{C}

, what is the specific heat capacity of the liquid?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 10

A metal spoon with a mass of

0.5	ext{ kg}

is placed in hot tea. If the spoon absorbs

4500	ext{ J}

of energy and its temperature increases by

20^\circ	ext{C}

, what is the specific heat capacity of the metal?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 11

A mystery substance requires

0.5	ext{ kg}

J of energy to raise the temperature of a

4500	ext{ J}

g sample by

20^\circ	ext{C}

. What is the specific heat capacity of this substance?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 12

A

0.5	ext{ kg}

kg sample of a substance requires

4500	ext{ J}

J of energy to increase its temperature from

20^\circ	ext{C}

to

40^\circ	ext{C}

. What is the specific heat capacity of the substance?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 13

An aluminum engine part with a mass of

0.5	ext{ kg}

kg and a specific heat of

4500	ext{ J}

cools down from

20^\circ	ext{C}

to

40^\circ	ext{C}

. How much heat energy was released by the part during this cooling process?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 14

If

0.5	ext{ kg}

J of energy is required to raise the temperature of

4500	ext{ J}

g of water by

20^\circ	ext{C}

, what is the specific heat capacity of water?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 15

A

0.5	ext{ kg}

kg block of an unknown metal absorbs

4500	ext{ J}

J of heat, causing its temperature to rise from

20^\circ	ext{C}

to

40^\circ	ext{C}

. What is the specific heat capacity of the metal?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 16

A copper cylinder with a mass of

0.5	ext{ kg}

kg and a specific heat of

4500	ext{ J}

is heated until it absorbs

20^\circ	ext{C}

J of energy. If its initial temperature was

40^\circ	ext{C}

, what is its final temperature?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Question 17

A student heats a

0.5	ext{ kg}

g block of glass from

4500	ext{ J}

to

20^\circ	ext{C}

and finds that it absorbed

40^\circ	ext{C}

J of energy. What is the specific heat capacity of the glass based on these results?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

0.5	ext{ kg}

Answer

0.5	ext{ kg}

Answer

0.5	ext{ kg}

Question 18

An iron skillet with a mass of

0.5	ext{ kg}

kg and a specific heat capacity of

4500	ext{ J}

is on a stove. How much energy is required to raise the temperature of the skillet from

20^\circ	ext{C}

to

40^\circ	ext{C}

?

Accepted Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

Answer

450	ext{ J/(kg}\cdot^\circ	ext{C)}

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