An electric kettle with a power rating of 1.5 kW is used to evaporate 2.0 kg of water which is at 100C into a steam at 120C.
(i). Calculate the mass of water left after ten (10) minutes have elapsed?
(ii).How long does it take to completely evaporate water into steam?

Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Which lists correctly orders nuclear reactions from most radioactive waste generated to least waste generated within a given period of time? o a. radioactive decay, nuclear fission, nuclear fusion o b. radioactive decay, nuclear fusion, nuclear fission o c. nuclear fusion, nuclear fission, radioactive decay o d. nuclear fission, nuclear fusion, radioactive decay