Voltaic cells convert chemical energy to electrical energy by means of an oxidation-reduction reaction while Electrolytic cells convert electrical energy to chemical energy, so they are the opposite of voltaic cells,in an electrolytic cell, the cathode is negatively charged and the anode is positively charged
Answer: 
Explanation:
You need to know the conversion factor first in order to solve this. Any gas occupies 22.4L per mol.
of nitrogen gas.
A change to any gas in the atmosphere affects energy absorbed by the surface in the same way of green house effect.
<h3>What is green house effect?</h3>
Green house effect is a phenomena in which energy from the sun comes to the earth and the gases which are present in the atmosphere of the earth absorbs the energy from the sun and raises earths temperature.
The gases which are especially responsible for this effect are carbon dioxide, methane, nitrous oxide, ozone and vapors of water. Change in the concentration of this gases will affect the energy absorbed by the surface.
Hence, this is same like green house effect.
To know more about green house effect, visit the below link:
brainly.com/question/19521661
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Answer:
7.82x10^24 molecules of water
Explanation:
H2O=18.015 g/mol Avogadro's #=6.022x10^23 molecules
0.234L x 1000g/1L x 1 mol H2O/18.015 g x 6.022x10^23 = 7.82x10^23 molecules of water
