Chemistry, 06.05.2020 17:03 JamesLachoneus
Automobile catalytic converters use a platinum catalyst to reduce air pollution by changing emissions such as carbon monoxide, CO(g), into carbon dioxide, CO2(g). The uncatalyzed reaction is represented by the balanced equation below. 2CO(g) + O2(g) 2CO2(g) + heat . Compare the activation energy of the catalyzed reaction to the activation energy of the uncatalyzed reaction.
Answers: 1
Chemistry, 21.06.2019 13:10
Cobalt-60 is an artificial radioisotope that is produced in a nuclear reactor and is used as a gamma-ray source in the treatment of certain types of cancer. if the wavelength of the gamma radiation from a cobalt-60 source is 1.00 × 10-3 nm, calculate the energy of a photon of this radiation.
Answers: 2
Chemistry, 22.06.2019 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 20:00
What happens to the temperature of a substance when the average kinetic energy of its particles increases?
Answers: 3
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