The reaction 2x → y + z is second order in [x] and second order overall. the rate constant of the reaction is 0.028 m −1hr−1. suppose the initial concentration of x is 3.4 m. what percentage of x will remain after a period of 24 hours? 61 % 51 % 28 % 18 %

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.