Chemistry, 10.07.2019 00:30 jeanetteelliotp9ru6m
The molar mass of hydrogen (h2) is 2.02 g/mol. a sample contains 4.00 mol of h2. what is the mass, in grams, of this sample?
Answers: 1
Chemistry, 22.06.2019 07:20
The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.
Answers: 1
Chemistry, 22.06.2019 23:00
What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
Answers: 1
The molar mass of hydrogen (h2) is 2.02 g/mol. a sample contains 4.00 mol of h2. what is the mass, i...
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