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Chemistry, 21.06.2019 17:00
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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The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Chemistry, 22.06.2019 09:10
Which class of molecules functions as chemical signals? hormones water carbohydrates proteins
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Which of these metals makes the best anode in a voltaic cell?
a. Lithium
b. Zinc
c. Sil...
b. Zinc
c. Sil...
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