Balance the following equations. (Use the lowest possible whole number coefficients. Include states-of-matter in your answer (a) AlH3(s)+H2O(l)Al(OH)3(s)+H2(g) (b) Cr(NO3)6(s)Cr2O3(s)+NO2(g)+O2(g) (c) C3H7NH2(l)+O2(g)CO2(g)+H2O(l)+N2(g)