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vichka [17]
2 years ago
6

What energy is formed when you put your hands together and rub them up and down rapidly

Chemistry
2 answers:
Nikitich [7]2 years ago
6 0
Your answer should be heat energy!
Vadim26 [7]2 years ago
6 0

Answer:

When you rub your hands together thats mechanical energy. Once you hands warm up its heat energy.

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40 g of CaCO3 is how many moles of CaCO3?<br> 10 moles<br> 0.4 moles<br> 40 moles<br> 100 moles
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To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.

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