Chemistry, 29.09.2019 21:00 jamayeah02
Why is it impossible for a machine to give you more energy output than the amount of energy put into it?
a: this would violate the law of conservation of energy
b: this would cost too much
c: this would produce too much wasted heat
Answers: 1
Chemistry, 22.06.2019 10:50
An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Chemistry, 22.06.2019 13:00
Is 9 correct? and can someone me with 10? it’s due tomorrow, you
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Chemistry, 22.06.2019 16:10
Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
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Chemistry, 23.06.2019 00:30
Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2
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Why is it impossible for a machine to give you more energy output than the amount of energy put into...
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