M=7M(H₂O)
M=7*18.015 g/mol = 126.105 g/mol
i think the answer is B. They have low reactivity.Hope this helped (:
Heat energy is the amount of heat there is in a substance. This may be cold heat or warm heat. Temperature is how hot or cold a substance is. So because there is a higher volume of heat in the iceberg, we say it has more heat energy.
Helium has more protons making it heavier by one atomic mass.
We’re going to use the mass percent formula shown below:
For the percent by mass N, we’re going to rewrite the equation as:
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Problem Details
Calculate the mass percent composition of nitrogen in each nitrogen-containing compound:
c. NO2
