How to calcuatle standard deviation of the mean from average molar heat capacity

The reaction q+r2=r2q is found to be first order in r2 and

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several