Which of the following elements lose two electrons when becoming an ion?
(A) Barium
(B) Oxygen...
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If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide
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Chemistry, 23.06.2019 02:00
Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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