Chemistry, 27.09.2019 14:20 ramirezmarco1593
During the fission of uranium-235, neutrons are released and a small amount of mass is converted to energy. how many neutrons are in the nucleus of an atom of uranium-235? a. 92 b. 143 c. 235 d. 238
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Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
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Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid
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Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
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Which is true according to the law of conservation of energy
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