Which statement best explains how the mass of an atom is organized? most of the mass is contained in the nucleus. the mass is spread evenly throughout the whole atom. the mass is spread evenly throughout the electron cloud. most of the mass is contained in the electron cloud.
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Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
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Chemistry, 22.06.2019 03:30
Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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How do dying stars contribute to the formation of planets
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A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?
Answers: 3
Which statement best explains how the mass of an atom is organized? most of the mass is contained i...
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