9. Write your observations on a sheel of paper.
Questions:
1. What do you observe on the wall...
9. Write your observations on a sheel of paper.
Questions:
1. What do you observe on the wall when light strikes an object in the dark room? Describe what you
observed.
2. Did you get the same result outside the house? Why?
3. What did you observe when light strikes a clear plastic sheel? What was formed and why?
4. Based from your observation, what are shadows?
5. How are shadows formed?
6. Do all objects form shadows? Why?
Answers: 2
Chemistry, 21.06.2019 22:30
Each of the following compounds contains a metal that can exhibit more than one ionic charge. provide systematic names for each of these compounds. (a) cr(clo3)6 (b) mo(cn)6 (c) cr2(so3)3 (d) v(clo2)2 (e) v(cn)5 (f) os(clo2)4
Answers: 3
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 09:30
In 2002, the rare earth elements mine in mountain pass, california was closed because
Answers: 1
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
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