Physics, 11.07.2019 19:00 chrisraptorofficial
Is the reduction of copper from copper(ii) oxide by carbon exothermic or endothermic? what is the sign of the energy change?
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Physics, 22.06.2019 09:30
1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.
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Physics, 22.06.2019 16:00
Which composition of water moves to begin a deepwater current?
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Physics, 22.06.2019 17:20
Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums
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Physics, 22.06.2019 17:30
Frequency of electromagnetic waves that a radio station is assigned is called
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Is the reduction of copper from copper(ii) oxide by carbon exothermic or endothermic? what is the s...
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