Chemistry, 31.10.2019 04:31 laequity7325
Which best describes a compound such as sodium chloride? a) a pure substance that can be separated into different elements by physical means b) a mixture of two common substances that can be separated by chemical means c) a mixture of two common elements that can be separated by physical means d) a pure substance that can be separated into different elements by chemical means.
Answers: 1
Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 22.06.2019 20:30
We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 3
Chemistry, 22.06.2019 21:30
If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
Answers: 1
Which best describes a compound such as sodium chloride? a) a pure substance that can be separated...
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