Students in Ms. Alvarez's eighth grade science class are investigating how temperature, in degrees Celsius ("C), affects the solubility of a compound in
100 milliliters (mL) of water. Ms. Alvarez provides the students with a graph that
shows the solubility of a certain compound, as shown below.
SOLUBILITY OF A COMPOUND
160
140
120
100
Compound Dissolved (g)
80
60
40
20
0 10 20 30 40 50 60 70
Temperature (°C)
She then tells the students that she will demonstrate how many grams (g) of the
compound will dissolve in 100 mL of water at 40°C. Based on the information in the
graph, which of the following is the best prediction of how many grams of the
compound will dissolve at 40°C?
F.
G. 658
408
H.
L.
858
1008
I

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

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What is the relationship between wind and ocean waves? question 17 options: wind moving at higher speeds will transfer more energy to the water, resulting in stronger waves. wind moving at higher speeds will transfer energy over a larger part of the ocean water, resulting in waves with a shorter wavelength. winds moving at higher speeds with cause water to move forward at faster rates, causing larger ocean waves. winds moving at higher speeds will affect deeper water, resulting in waves that move at a faster rate. how do temperature and salinity affect deepwater currents? question 15 options: as temperatures and salinity levels of water increase, the water rises to the surface where it creates currents as it moves to colder regions. they create changes in wind direction, moving denser water in the same direction as the wind and causing the deepwater circulation patterns found in the ocean. they equalize the forces on undersea currents caused by the coriolis effect as they replace more dense water with less dense water. they create density differences that cause dense deepwater currents to flow toward the equator where they displace less dense, warmer water above them.