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Chemistry, 22.06.2019 10:10
Stage in which a star’s outer layers have started to cool and grow outward?
Answers: 3
Chemistry, 22.06.2019 12:00
What is the subscript for oxygen in its molecular formula
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Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 00:30
Fred is studying a substance that is made out of only one element. this means that
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Which particle often described as having very little or no mass since the mass number does not chang...
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