2. Calculate AH for the reaction 2C2H6(g) + 702(g) + 4CO2(g) + 6H2O(1)
delta H = ?
Given:
CzH(g) + 302(g) → 2C02(g) + 2H2O(1) delta H = -337.2kcal
C2H2(g) + H2(g) → CyH6(9) delta H = - 32.7 kcal
H2(g) + 1/2O2(g) → H2O(l)
delta H = - 68.3 kcal

true

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl