What happens to the water molecules in a beaker with a lid when equilibrium is reached?

Equilibrium Dynamics in Water Vaporization and Condensation

Interactive Video
•
Chemistry, Science, Physics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All water molecules evaporate.
The number of liquid and gaseous water molecules remains constant.
All water molecules condense.
The water level rises.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the hypothetical reaction, what are the products of the forward reaction?
2X
X2
Oxygen
Water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial concentration of X2 in the reaction container?
0.6 molar
0.5 molar
0.3 molar
0.2 molar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what time does the reaction reach equilibrium?
10 seconds
40 seconds
20 seconds
30 seconds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the graph of concentration versus time indicate about equilibrium?
Concentrations remain constant after equilibrium.
Concentrations fluctuate randomly.
Concentrations decrease indefinitely.
Concentrations increase indefinitely.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equilibrium concentration of X2 gas?
0.1 molar
0.2 molar
0.4 molar
0.3 molar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the dashed line at 20 seconds on the graph?
It represents a change in temperature.
It shows the point where equilibrium is reached.
It indicates the end of the reaction.
It marks the start of the reaction.
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