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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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Chemistry, 23.06.2019 01:30
Witch two conditions can limit the usefulness of the kinetic molecular theory in describing gas behavior?
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Chemistry, 23.06.2019 05:30
For the reaction i2(g)+br2(g)โโโ2ibr(g), kc=280 at 150 โc. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 โc. what is the equilibrium concentration of 2ibr, i2, br2
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Chemistry, 23.06.2019 07:30
In a laboratory determination of the atomic weight of tin, a sample of tin is weighed in a crucible. nitric acid is added, and the reaction proceeds to give a hydrated tin(iv)oxide plus no2and h2o. the hydrated tin(iv)oxide is then heated strongly and reacts as follows: sno2.xh2o(s)๏ฎsno2(s)+ xh2o(g)the sno2is finally cooled and weighed in the crucible. explain the effect on the calculated atomic weight of tin that would result from each of the following experimental errors: (a)considerable spattering occurs when the nitric acid is added to the tin.(b)the hydrated tin(iv)oxide is not heated sufficiently to change it completely to tin oxide.
Answers: 2
How to compare and contrast a solution of hydrogen chloriide gas in water and toluene?...
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