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Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.
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Chemistry, 23.06.2019 17:00
Select all that apply. when the products of a reaction have less energy than the reactants: the reaction is exothermic. the reaction is endothermic. the reactants lost internal energy. the change in enthalpy is positive.
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Chemistry, 23.06.2019 18:10
Which property of a substance can be determined using a ph indicat
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How many neutrons does zirconium-90 have....
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