Chemistry, 22.02.2020 04:08 shannydouglas
A beam of light bends when it passes from air into water, and the bends even more when it passes from water into glass. What can you conclude from this fact?
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Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 23.06.2019 01:00
Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas
Answers: 2
A beam of light bends when it passes from air into water, and the bends even more when it passes fro...
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