Which percentage represents the amount of Earth's water that is found in oceans?
A 3%
B. 71%<...
Chemistry, 13.11.2020 23:40 Champion1841
Which percentage represents the amount of Earth's water that is found in oceans?
A 3%
B. 71%
C.97%
Answers: 3
Chemistry, 22.06.2019 12:10, kaitlynbernatz2778
If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?
Answers: 3
Chemistry, 22.06.2019 15:30, abdullaketbi71
What best discribes the relationship between wavelength and frequency in a electromagnetic wave
Answers: 1
Chemistry, 22.06.2019 18:00, rodriguezscarlet1713
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Chemistry, 22.06.2019 20:40, larkinc2946
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
Social Studies, 27.04.2021 01:30
Mathematics, 27.04.2021 01:30
Mathematics, 27.04.2021 01:30
Mathematics, 27.04.2021 01:30
Mathematics, 27.04.2021 01:30
Mathematics, 27.04.2021 01:30