2 H2 + O2 β> 2 H20
a student begins the reaction with 4 moles of H2 and 3 moles of O2. What...
Chemistry, 05.05.2020 10:17, kaanan8984
2 H2 + O2 β> 2 H20
a student begins the reaction with 4 moles of H2 and 3 moles of O2. What is the
excess reactant?
Answers: 3
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Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming
Answers: 2
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Compare and contrast physical changes with chemical changes.
Answers: 3
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Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
Answers: 3
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