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5.6 Classwork P2- 5/27

Last updated almost 4 years ago

8 questions

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Question 1

1.

In the equation q=mc(delta)T, what does each variable mean?

Question 2

2.

What is the specific heat of water in the unit j/gram x degrees c?

Question 3

3.

How much heat is required to rasie the temperature of 8 grams of water by 3 degrees celsius? Write your answer in Joules.

Question 4

4.

Convert the answer to the last questions to kJ.

Question 5

5.

How many joules of heat are removed from a 21 gram sample of water if it is cooled from 34 degrees C to 28 degrees C?

Question 6

6.

Your answer to question 5 should be a negative number. Why is it negative and what does that mean in terms of energy?

Question 7

7.

22 grams of a metal absorbs 713 joules when it is heated from 28.3 degrees c to 72.8 degrees c. What is the specific heat of the metal?

Question 8

8.

Would this metal heat up faster or slower in comparison to water? Explain your reasoning.