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What is the subscript for oxygen in its molecular formula
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650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal
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Chemistry, 22.06.2019 16:30
4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
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Convert 2.79×1022 helium atoms to grams Express your answer using three significant figures....
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