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How many unshared pairs of electrons does the nitrogen atom in ammonia possess?
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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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Stage in which a typical star has completely stopped fusion
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What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?
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How many unshared pairs of electrons does the nitrogen atom in ammonia possess?...
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