Writing and Balancing Chemical Equations

Question 1

Did you read the Student Guide carefully?

Revolt · Accepted Answer

A: yes

Question 2

Select all actions below that you must take to ensure laboratory safety during the experiment. Check all that apply.

Revolt · Accepted Answer

A: Use tongs to handle the hot beaker.; B: Check the beaker for chips prior to heating on the hot plate.; C: Turn the hot plate off after use.; D: Handle the capillary tube with oven mitts or tongs.; E: Keep the work area clear.

Question 3

°C

Revolt · Accepted Answer

C: 37.0

Question 4

Think about the lab procedure you just read. Label each factor below with V for “variable” or C for “constant”.The temperature of the gas:

Revolt · Accepted Answer

B: V

Question 5

Oh no! A thermometer suddenly fell on the floor and broke! Check all actions, if any, that you must take.

Revolt · Accepted Answer

B: Tell the teacher about the accident right away.

Question 6

°C

Revolt · Accepted Answer

C: 42.5

Question 7

The amount of gas in the tube (in terms of mass and moles):

Revolt · Accepted Answer

A: C

Question 8

The radius of the tube:

Revolt · Accepted Answer

A: C

Question 9

The temperature of the gas (changed by the water surrounding it):

Revolt · Accepted Answer

B: V

Question 10

The type of gas:

Revolt · Accepted Answer

A: C

Writing and Balancing Chemical Equations Answers

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