Global Monthly Average Carbon Dioxide Concentration 420 410 N Average CO2 concentration 400 390 380 370 360 350 340 330 1980 1990 2010 1985 2000 2015 1995 2005 2018 Carbon Dioxide (CO2) [parts per million] 300 Sugar (C12H22011) 260 KNO3 220 180 NANO3 140 NaBr 100 KBr 60 KCI NaCI Ce,(SO3 20 40 60 80 100 Temperature (°C) Solubility (g solute per 100 g H,0)
Below is a graph of measured atmospheric CO2 levels since 1980 (from globalchange.gov). Based on these data, how has the solubility of CO2 in ocean water changed over this time period?
A:It is not possible to predict CO2 solubility changes based on these data.
B:CO2 solubility has decreased.
C:CO2 solubility has not changed.
D:CO2 solubility has increased.
According to this solubility graph, which solid's dissolving process is exothermic?
A:sugar (C12H22O11)
B:KNO3
C:Ce2(SO4)3
D:KCl
What effects will dissolving sugar in water have on the resulting solution?
A:Compared to pure water, the solution's freezing point will be lower and its boiling point will be higher
B:Compared to pure water, the solution's freezing point will be higher and its boiling point will be lower
C:Compared to pure water, the solution's freezing point will be lower and its boiling point will be lower
D:Compared to pure water, the solution's freezing point will be higher and its boiling point will be higher
![Global Monthly Average
Carbon Dioxide Concentration
420
410
N Average CO2 concentration
400
390
380
370
360
350
340
330
1980
1990
2010
1985
2000
2015
1995
2005
2018
Carbon Dioxide (CO2)
[parts per
million]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9dc111da-6604-4898-805c-db1b932cb297%2F3e5a18a8-e164-4675-86d7-13dedcdb9893%2Fch7zkwo.png&w=3840&q=75)
![300
Sugar
(C12H22011)
260
KNO3
220
180
NANO3
140
NaBr
100
KBr
60
KCI
NaCI
Ce,(SO3
20
40
60
80
100
Temperature (°C)
Solubility (g solute per 100 g H,0)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9dc111da-6604-4898-805c-db1b932cb297%2F3e5a18a8-e164-4675-86d7-13dedcdb9893%2Fnym54b.jpeg&w=3840&q=75)
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