a
(05.01 LC)
Which of the following best defines the molar mass of a substance? (5 points)
a
Mass, in grams, of each particle of the substance
Oั
Total mass, in grams, of 100 particles of the substance
Mass, in grams, of the nucleus of the substance's atoms
Od
Total mass, in grams, of all the particles in one mole of the substance
Answers: 2
Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 10:30
When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
Answers: 2
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
(05.01 LC)
Which of the following best defines the molar mass of a substance? (5 points)
a
a
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