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Chemistry, 21.06.2019 20:10
What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold
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Chemistry, 21.06.2019 22:30
Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
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Chemistry, 23.06.2019 03:30
How many grams of sodium chloride are in 250ml of a 2.5m naci solution
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Mathematics, 26.09.2019 17:20
English, 26.09.2019 17:20
Mathematics, 26.09.2019 17:20
Mathematics, 26.09.2019 17:20
History, 26.09.2019 17:20
English, 26.09.2019 17:20
Mathematics, 26.09.2019 17:20
Mathematics, 26.09.2019 17:20
History, 26.09.2019 17:20
Mathematics, 26.09.2019 17:20
Mathematics, 26.09.2019 17:20