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Pachacha [2.7K]
4 years ago
12

What are two ways a machine converts energy?

Chemistry
1 answer:
nadezda [96]4 years ago
8 0
Chemical energy in the coal is converted into thermal energy in the exhaust gases of combustion

thermal energy of the exhaust gas is converted into thermal energy of steam through heat exchange
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How many moles of NaCl are equivalent to 15.6g NaCl
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Hey there!:

Molar mass NaCl = 58.44 g/mol

Number of moles:

n = mass of solute / molar mass

n = 15.6 / 58.44

n = <span>0.2669 moles of NaCl

hope this helps!</span>
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