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Chemistry, 23.06.2019 13:30
The activation energy for a(n) is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process. combustion reaction endothermic reaction exothermic reaction catalyzed reaction
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Chemistry, 23.06.2019 14:30
The hammering on a train track is often heard twice by workers farther down the track; first as the sound travels through the steel and second as the sound travels through the air. this suggests which graph is true?
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Chemistry, 23.06.2019 16:30
Amodel of an atom is shown below. which element is represented by this model of an atom? boron, carbon, neon, or sodium?
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Chemistry, 23.06.2019 16:30
There is a set up transformer that doubles the voltage. if the primary coil has a voltage of 10 v
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Aperson has a mass of 70.0kg on earth, what would their mass be on mars, which has 1/3 of the gravit...
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