Chemistry, 02.03.2020 17:34 kenziepickup
When hydrogen gas reacts with oxygen gas under certain conditions to produce liquid water, 572.0 kJ of heat energy is released. Is the reaction exothermic or endothermic?
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 23.06.2019 07:30
The compound formed from 2 atoms of hydrogen and one atom of oxygen is
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Chemistry, 23.06.2019 09:00
Avogradoa number was calculated by determining the number of atoms in?
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When hydrogen gas reacts with oxygen gas under certain conditions to produce liquid water, 572.0 kJ...
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