Lab: Calorimetry and Specific Heat

Question 1

Did you read the Student Guide carefully?

Revolt · Accepted Answer

yes

Question 2

Calibrating the cabbage pH indicator means based on

Revolt · Accepted Answer

creating a color key

Question 3

solutions that .

Revolt · Accepted Answer

have known pH values

Question 4

0.01 M HCl solution has a pH of 2. Suppose that during the experiment, both the universal pH indicator and the cabbage indicator turn orange-red for 0.01 M HCl. What can you conclude about the the cabbage indicator key?

Revolt · Accepted Answer

It matches the universal pH indicator and is indicating the proper pH.

Question 5

To determine the pH of a solution using a pH indicator paper, you need a .

Revolt · Accepted Answer

color key

Question 6

While transferring NaOH solution to the pH paper, you accidentally splash it onto your skin. Check all actions you should take.

Revolt · Accepted Answer

Tell your teacher right away.; Rinse the exposed skin with water.

Question 7

Concerning the disposal of materials at the end of the experiment, which methods are safe? Check all that apply.

Revolt · Accepted Answer

Dispose of pH paper in the trash.; Dump the cabbage indicator solution down the drain.; Ask your teacher to neutralize the acids and bases before disposal.

Lab: Calorimetry and Specific Heat Answers

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