priteshkeshari6

The rate of a certain reaction is given by the following rate law:

rate=k[H2][I2]

The rate of the reaction is measured to be 9.0 x 103 M / s when [H2] = 1.7 M and [I2] = 1.9 M. Calculate the value of the rate constant.

Round your answer to 2 significant digits.

A chemist carefully measures the amount of heat needed to raise the temperature of a 199.0 g sample of a pure substance from 22.3°C to 32.8°C. The experiment shows that 3.87 kJ of heat are needed. What can the chemist report for the specific heat capacity of the substance?

Round your answer to 3 significant digits.