Chemistry, 07.01.2021 22:40 maddihamidou
2. How are UVC rays different from UVA and UVB rays?
a. UVC rays are deflected by earth's atmosphere; UVA and UVB rays aren't
b. UVC rays can penetrate all the layers of your skin; UVA and UVB rays don't
c. UVC rays contain very little energy; UVA and UVB rays are very powerful
d. Sunblock can protect you against UVC rays, but not UVA and UVB rays
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 21:30
Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)
Answers: 2
Chemistry, 22.06.2019 04:20
Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.
Answers: 1
Chemistry, 22.06.2019 08:30
Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
Answers: 1
Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
Answers: 2
You know the right answer?
2. How are UVC rays different from UVA and UVB rays?
a. UVC rays are deflected by earth's atmospher...
Questions
History, 13.12.2020 14:00
Physics, 13.12.2020 14:00
English, 13.12.2020 14:00
Chemistry, 13.12.2020 14:00
Health, 13.12.2020 14:00
Physics, 13.12.2020 14:00
History, 13.12.2020 14:00
Arts, 13.12.2020 14:00
Biology, 13.12.2020 14:00
Biology, 13.12.2020 14:00
Mathematics, 13.12.2020 14:00
