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Chapter 6 Comp Check Part 1 Berean Builders, Discovering Design With Chemistry

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Last updated over 3 years ago
13 questions
Note from the author:
Comprehension Check from chapter 6 of Discovering Design with Chemistry by Dr. Jay Wile, Berean Builders
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Question 1
1.

Crushing an aluminum can

Question 2
2.

Digesting Food

Question 3
3.

Cutting Paper

Question 4
4.

Melting Ice

Question 5
5.

Making a hard-boiled egg

Question 6
6.

Exploding a bomb

Question 7
7.

At the highest parts of the interior of Antartica, the average temperature is about -76 degrees F. What is it in celsius?

Text | 08:12
00:00/00:00
Text
08:12
keyboard_arrow_down
You Don't Need to watch the entire video but at 8:12 I show you how to do these in you calculator.
Question 8
8.

Suppose you put one finger in a glass of water at room temperature and another finger in a glass of alcohol at the same temeperature. Will one finger feel cooler than the other if they remain in the liquid? If so which one?

Question 9
9.

Suppose you put one finger in a glass of water at room temperature and another finger in a glass of alcohol at the same temeperature. If you pull both both fingers out at the same time will one feel cooler? If so which one?

Question 10
10.

The heating curve of an unknown substancce shows that the temperature rises steadily, then stays constant at 15 degrees C for a while. The temperature then starts increasing again for a while. However, at 234 degrees C, the temperature stays constant for quite some time. At what temperature does this substance melt? At what temperature does it vaporize (boils) ?

Draggable itemarrow_right_altCorresponding Item
15 C
arrow_right_alt
Melts
234 C
arrow_right_alt
Vaporize
Question 11
11.

The utility companies that supply natural gas for burning in stoves, furnaces, etc. , store it in its liquid phase. It is then converted into its gas phase to be deliverred to the customer. Why do they store it in its liquid phase, when the customers need it in its gas phase?

Question 12
12.

Is the following reaction balanced:

Question 13
13.

Is the following reaction balanced