Why don't x-rays, gamma rays, and most uv rays reach earth's surface?
the atmosphere b...
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Chemistry, 21.06.2019 15:00
If a reaction has g of -136kj at 110°c, will it be spontaneous at this temperature (110°c)? yes or no
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Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen
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Chemistry, 22.06.2019 03:00
Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?
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Chemistry, 22.06.2019 04:30
Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water
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