Chemistry, 13.01.2021 14:00 springcoates
Energy is gained and lost in small units or amounts called
a. quanta
b. particles
c. wavelengths
d. frequency
Answers: 2
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The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?
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Chemistry, 22.06.2019 10:40
Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3
Answers: 1
Chemistry, 22.06.2019 14:10
13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
Answers: 1
Chemistry, 22.06.2019 20:30
Which states of matter have particles that move independently of one another with very little attraction?
Answers: 1
Energy is gained and lost in small units or amounts called
a. quanta
b. particles
c. wa...
b. particles
c. wa...
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