Chemistry, 29.01.2020 14:03 LillianMRucker
you have a 100.0-ml graduated cylinder containing 50.0 ml of water. you carefully place a 109-g piece of brass (density = 8.56 g/ml) into the water. what is the final volume reading in the graduated cylinder?
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Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
Answers: 3
Chemistry, 22.06.2019 17:30
To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
you have a 100.0-ml graduated cylinder containing 50.0 ml of water. you carefully place a 109-g piec...
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