The complete combustion of ethanol, c2h5oh(l), to form h2o(g) and co2(g) at constant pressure releases 1235 kj of heat per mole of c2h5oh. write a balanced equation for this reaction.

Since it was specifically stated that heat is released, therefore heat is located on the right side of the reaction equation. Also stating the states of each compound, the complete balanced reaction would be:

C2H5OH (l) + 3 02 (g) > 2 CO2 (g) + 3 H2O (g) + 1235 kJ

The balanced combustion reaction will be

To write a balanced equation

Hence, balanced reaction will be

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specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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there is none because earth is stationary and flat.