Chemistry, 13.01.2021 01:00 edsimms21111
The reaction below shows decomposition of water into oxygen and hydrogen gas.
2H2O --> 2H2 + O2
Describe how you would determine whether or not this reaction is endothermic.
Answers: 3
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How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
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The reaction below shows decomposition of water into oxygen and hydrogen gas.
2H2O --> 2H2 + O2 ...
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