1)A reaction at 250°c is 4 times as fast as the same reaction at 150°c. Assume the frequency factor is constant, calculate the activation energy for the reaction.
2) 22400cm^3 of a gas at 0°c contains 6.02×10^23 molecules. Calculate the molecular density of the gas.
3) The oxidation state of C in CaC2O4 is ?
Comments
Leave a comment