Answer:
m = 4.58 g.
Explanation:
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In this case, according to the given information, it turns out possible for us to realize this problem is solved via the ideal gas equation:
As we can calculate the moles of propane given the pressure, temperature and volume as shown below:
Finally, since the molar mass of propane is 44.1 g/mol, we calculate the mass by following the shown below mole-mass conversion factor:
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The substance you would expect to have a low melting point would be carbon dioxide, so the correct answer would be A
Answer:
Methyl is the IUPAC nomenclature of organic chemistry term for an alkane (or alkyl) molecule, using the prefix "meth-" to indicate the presence of a single carbon.
Explanation:
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Balanced equation: Mg+2HCl=MgCl2 + H2
Showing that if Mg is not a limiting factor then 2 moles of HCl on complete reaction liberate 1 mole of Hydrogen
therefore:
1 mole of HCl=35.5g, 40g=x
X= 40/35.5= 1.127mole
2 moles of HCl = 1 moles of Hydrogen
1.127=X
X=1.127/2 = 0.56
the theoretical yield of hydrogen
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