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Stoichometry of chemical equations
My chemistry book asks the question:
Write the balanced equation for the complete combustion of each of the following compounds:
a. ethane, C2 H6
The book has the answer which reads:
2C2h6 + 7O2 I don't understand where the formula for 7 02
b. cyclopropane
I understand the formula C3H10 but I don't understand the "addition" of a 2 in front - and where the number for the oxygen comes in.Answer says: 2C3H6 + 9 02
The book only gives the answer but does not explain specifically the math.
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Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrochloric acid.
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How many joules of heat are required to heat 143 g of aluminum from 55.0 oC to 66.5oC?
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