10) Air masses are different in many ways. Which of these is NOT different? a) Atmospheric pressure
b) Temperature
c) Ratio of oxygen/nitrogen
d) Moisture contents

Rate law for this reaction israte of the reaction = k[a]²[b].second order in a  means concentration of a in power of two, and  first order in b means concentration of b in power of one.

Naoh + hbr -> nabr (salt) + h2o ca (oh)2 + 2hbr - - - > ca (br)2 + 2h2o