A solution has a pH of 7.4 What is its pOH?
A) -6.6
B) -7.4
C) 7.4
D) 6.6
D
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How many oxygen atoms are present in 5.20 mol of Al2(SO4 ) 3?
A) 62.4 B) 3.76 x 10^25 C) 9.39 x 10^24 D) 3.13 x 10^24
Suppose it is snowing outside and the air is saturated. The air temperature and dew point are both 15°F, and the actual vapor pressure is 3 mb. If this air is brought indoors and warmed to 75°F, what would the relative humidity of this air be, assuming that its moisture content does not change? (The saturation vapor pressure at 75°F is 30 mb)
a. 5 percent b. 10 percent c. 30 percent d. 50 percent e. 100 percent
Volcanic eruptions help create new land
Indicate whether the statement is true or false
What is the term for sediment deposited by streams?
A) Fluvium B) Colluvium C) Alluvium D) Talus