Chemistry, 24.06.2020 02:01 jruiz33106
chemical reactions need a certain amount of activation energy to get started.
A: only exothermic
B: only endothermic
C: All
D: most
Answers: 1
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The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a
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According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
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Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
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chemical reactions need a certain amount of activation energy to get started.
A: only exothermic
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