Chemistry, 07.07.2021 17:00 mosleykimberly944
If 11g of a gas occupies 5.6dm'3at s. t.p., calculate it's vapour density (1.0mol of a gas occupies 22.4dm'3at s. t.p.).
Answers: 2
Chemistry, 21.06.2019 14:10
The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?
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During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.
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The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
If 11g of a gas occupies 5.6dm'3at s. t.p., calculate it's vapour density (1.0mol of a gas occupies...
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