(a). suppose 384 g of steam (i. e., water vapor) originally at 100°c is quickly cooled to produce liquid water at 31°c. how much heat must be removed from the steam to accomplish this? some of the following data may be . cp(h2o(g)) = 36.4 j mol–1 k–1 tboil(h2o) = 100°c cp( = 75.3 j mol–1 k–1 ∆h°vaporization(h2o) = 40.7 kj mol–1 (8 pts) (b). use information given above to estimate the entropy change for the vaporization of water (i. e., ∆s° for the process ® h2o(g))
Answers: 2
Chemistry, 22.06.2019 10:40
Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3
Answers: 1
Chemistry, 23.06.2019 14:00
[07.06] which of the following chemical reactions is an oxidation-reduction reaction? (2 points) wo3 + 3h2 yields w + 3h2o kno3 + licl yields lino3 + kcl caso4 + 2nacl yields na2so4 + cacl2 mg(no3)2 + 2hbr yields mgbr2 + 2hno3
Answers: 1
(a). suppose 384 g of steam (i. e., water vapor) originally at 100°c is quickly cooled to produce li...
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