Determine the mass (in grams) of each of the following: 0.0872 mol acetylene, C2H2 Do not...
Determine the mass (in grams) of each of the following:
0.0872 mol acetylene, C2H2
Do not report in scientific notation.
Homework Answers
Molar mass of C2H2,
MM = 2*MM(C) + 2*MM(H)
= 2*12.01 + 2*1.008
= 26.036 g/mol
mass of C2H2,
m = number of mol * molar mass
= 8.72*10^-2 mol * 26.036 g/mol
= 2.27 g
Answer: 2.27 g
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Determine the mass (in grams) of each of the following:
0.0872 mol acetylene, C2H2
Do not...
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2) Oxyacetylene torches are fueled by the combustion of acetylene, C2H2 2 C2H2 + 5 O2 (g) 4 CO2 (g) + 2 H2O (g) If the enthalpy change for the reaction is -251 1.14 kJ/mol, a) How much heat can be produced by the reaction of 10 g of C2H2? b) Is it an endotherm ic or exothermic reaction? Molar mass of acetylene is 26.04 g/mol.
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