Explanation:
1 ) Temperature of Venus in Kelvins = 757 Kelvins

Temperature of Venus in degrees Celsius =
2 ) Temperature on Mercury at night = 


Temperature on Mercury at night in degree Celsius = 167.22° C
Answer:
7
5
1
8
3
6
2
4
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Answer:
a solution of acetic acid and sodium acetate
Explanation:
A buffer solution is defined as a solution which resist a change in pH when small quantity of a strong acid or a strong base are added. A buffer solution is made up of mixture of a weak acid and its conjugate base or a mixture of a weak base and its conjugate acid.
Acetic acid is the only option because it is a weak acid with a corresponding conjugate base, acetate. Unlike a solution of sulfuric acid and sodium sulfate in which the sulfuric acid is a strong acid which doesn’t qualify it to be a buffer solution. The remaining options have different acid compounds paired together which makes them invalid too.
<u>Answer:</u> The salinity of ocean water is 34 ppt.
<u>Explanation:</u>
Salinity is defined as the number of grams of salts present per kilogram of seawater. It is expressed in parts per thousand.
The formula used to calculate the salinity of ocean water or sea water is:

We are given:
Mass of salts = 17 g
Mass of sea water = 500 g
Putting values in above equation, we get:

Hence, the salinity of ocean water is 34 ppt.