CH4 +O2-->CO2 +H2O C=12.01G H=1.008G O=16.00G WHAT IS THE PERCENT YIELD OF H2O

What type of reaction is zn + cucl2 → cu + zncl2?

The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?

One similarity and one difference between an element and a mixture of elements