Lab: Solubility Answers

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4

variable was sugar concentration.pressure.solubility.temperature.

A
sugar concentration.
B
pressure.
C
solubility.
D
temperature.
7

Which would allow you to add more powdered mix to the water?

A
Dissolve the powdered mix first because it increases solubility of the powdered mix.
B
Dissolve the powdered mix first because it is easier to stir when the water is cold.
C
Heat up the water first because it increases solubility of the powdered mix.
D
Heat up the water first because it is easier to stir when the water is hot.
8

A glass thermometer.

A
shaking the thermometer before use
B
using the thermometer as a stirring rod
C
making sure that the liquid inside the thermometer is at eye level when taking the temperature
D
making sure that the bulb of the thermometer does not touch the bottom the beaker or the ice when taking the temperature
E
using the Celsius scale instead of the Fahrenheit scale when taking temperature readings
10

Which scenarios may be explained by the facts on the left? Check all that apply.

A
There is more dissolved oxygen in colder waters than in warm water.
B
There is less dissolved oxygen in colder waters than in warm water.
C
Fish life in the ocean is more abundant during the seaons with warmer water than seasons with cooler water.
D
If ocean temperatures rise, then the risk to the fish population increases.
13

What is missing from the solubility graph shown on the right?

Answer:

The solubility graph is missing a graph title, a label for the vertical (y) axis, and a legend or key to explain what the orange and blue lines represent.

14

Which would allow you to add more powdered mix to the water?

A
Dissolve the powdered mix first because it increases solubility of the powdered mix.
B
Dissolve the powdered mix first because it is easier to stir when the water is cold.
C
Heat up the water first because it increases solubility of the powdered mix.
D
Heat up the water first because it is easier to stir when the water is hot.
15

Which help you ensure that temperature readings are accurate? Check all that apply.

A
shaking the thermometer before use
B
using the thermometer as a stirring rod
C
making sure that the liquid inside the thermometer is at eye level when taking the temperature
D
making sure that the bulb of the thermometer does not touch the bottom the beaker or the ice when taking the temperature
E
using the Celsius scale instead of the Fahrenheit scale when taking temperature readings
16

Question text not available

Answer not available
17

Which scenarios may be explained by the facts on the left? Check all that apply.

A
There is more dissolved oxygen in colder waters than in warm water.
B
There is less dissolved oxygen in colder waters than in warm water.
C
Fish life in the ocean is more abundant during the seaons with warmer water than seasons with cooler water.
D
If ocean temperatures rise, then the risk to the fish population increases.
19

Check all items below that you mentioned were missing.

A
graph title
B
label for the vertical (y) axis
C
legend explaining the orange and blue colors

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