In a balanced equation, coefficients always represent

a
the ratio of volumes of substances
b
the volume ratios of reactants and products
c
the mole ratios of reactants and products
d
the number of atoms present

How many grams of n2h4 will be consumed by 23 g of n2o4

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?