Question

#1: Sensors detect the concentration of mercaptan molecules in natural gas at various distances from a leaking source. At which location will a sensor detect the highest concentration of mercaptan?

A. three meters behind the source

B. two meters in front of the source

C. two meters behind the source

D. one meter in front of the source

**my answer: D

is that right?

Answer 1

#2: You place a balloon in a closed chamber at standard temperature and pressure (STP). You triple the chamber pressure. What happens to the balloon?

A. The volume stays the same.

B. The volume decreases to one-third of its original volume.

C. The volume increases to three times its original volume.

D. The temperature must also change for the volume to change.

**my answer: B
is that right?

Answer 2

#3: Which gas law has the assumptions of a fixed amount and a fixed pressure of a gas?

A. Avogadro's law

B. Boyle's law

C. Charles's law

D. Gay-Lussac's law

**my answer; A
is that right?

Answer 3

#2 is correct
#3 no idea

Answer 4

#4: You place a balloon in a closed chamber at standard temperature and pressure (STP). You double the chamber temperature while leaving the pressure constant. What happens to the balloon?

A. It doubles in volume.

B. It decreases to one-half of its original volume.

C. It stays the same volume.

D. It expands to four times its original volume.

**my answer; A
is that right?

Answer 5

okay! and lol alrighty :)

Answer 6

#4 is correct

Answer 7

#5: You place air in a sealed can at standard temperature and pressure (STP). You heat it to four times its absolute temperature (K) while leaving the volume constant. What happens to the pressure?

A. It decreases by one-half.

B. It stays the same.

C. It doubles.

D. It increases to four times the original pressure.

**my answer: D

is that right?

Answer 8

ooh! yay :)

Answer 9

#5 is correct

Answer 10

aweosme! :) thankssss ;D

Answer 11

aweosme! :) thankssss ;D