Chemistry, 29.03.2021 21:10 christinaruckepegvlp
A person with a sunburn will tell you that the sun gives off energy with its electromagnetic rays.
What does sunscreen lotion do to interfere with the transfer of energy from the sun to a person's skin?
A- Reflects most of the ultraviolet radiation from the sun
B- Causes skin exposed to the sun to tan instead of burn
C- Absorbs the radiation coming from the sun
D- Causes skin cancer from the radiation emitted from the sun
Answers: 3
Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 21.06.2019 22:30
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
Answers: 1
Chemistry, 22.06.2019 08:50
If two atoms are bonded to a central atom with no lone pairs,how will they be arranged
Answers: 3
A person with a sunburn will tell you that the sun gives off energy with its electromagnetic rays....
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