PH is a scale used to measure the acidity or alkalinity of an aqueous solution. It can be used to calculate the amount of hydronium ions in the solution. It is expressed as the negative logarithm to the base 10 of the concentration.
pH = -log [H+]
2.0 = -log [H+]
[H+] = 0.01 M
Answer:
c
Explanation:
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Explanation:
The answer is thermal energy/ kinetic energy.. because friction on hands promotes thermal energy. because you want your hands 2 be warm, rubbing them 2gether creates heat and absorption of heat thru the skin which skin is susceptible to warm, humans can put hands under arm pits to warm hands, without any available heat source..
<span>___________ are formed at divergent and converging boundaries.
I think the answer is VOLCANOES
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