Chemistry, 21.05.2020 03:11 kingjames82
The wavelenght of a wave is 0.5 meters, and its period is 2 seconds .what is the speed of this wave?
Answers: 3
Chemistry, 21.06.2019 17:30
One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms
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Chemistry, 21.06.2019 17:40
Does the energy in a solid increase or decrease when changing to a liquid?
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Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
Chemistry, 22.06.2019 23:40
The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
Answers: 2
The wavelenght of a wave is 0.5 meters, and its period is 2 seconds .what is the speed of this wave?...
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