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Chemistry, 28.01.2020 23:49, RealStephani
Is the zeff of an element always equal to the number of valence
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Answers: 3
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Chemistry, 21.06.2019 17:00, Luzperez09
Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?
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Chemistry, 22.06.2019 13:00, jaylanmahone223
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
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Chemistry, 22.06.2019 13:50, kelonmazon2492
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
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Chemistry, 23.06.2019 17:40, mimithurmond03
Which type of bonding involves the complete transfer of a valence electron from a less electronegative atom to a more electronegative one?
Answers: 1
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