Answer:
A. 0.31 mol NaNO2
Explanation:
Buffer solutions are the solutions that resist changes in pH on addition of small amount of acid or base.
Buffer solutions usually contain the mixture of a weak acid and its salt, or a weak base and its salt.
Among the options listed in the question, only NaNO2 is the salt formed from the nitrous acid.
Atoms are combining to form molecules
Answer:
Clouds form when air reaches its dew point, the temperature when the air is saturated. This can happen in two ways. First, the air temperature can stay the same while the humidity increases. This is common in locations that are warm and humid.
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Explanation:
Hi,
Answer is 191.2.
800J = 191.2 cal
Hope this helps.
Answer:
water evaporate from surfaces
Explanation:
after it clumps to air to make clouds ,cools turn to liquid and rains or precipitate and becomes runoff