What is the volume of a 492.2g sample of Kr gas?
0.007601 L
131.6 L
5.870 L
...
Chemistry, 01.02.2021 23:50 libertycooper
What is the volume of a 492.2g sample of Kr gas?
0.007601 L
131.6 L
5.870 L
21.97 L
Answers: 1
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This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
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Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
Answers: 1
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Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patientβs temperature. d.) a construction worker reports in to his office using a cell phone.
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Solid tin exists in two forms: white and gray. for the transformation sn(s, white) β sn(s, gray) the enthalpy change is -2.1 kj/mol and the entropy change is -7.4 j/(mol*k). a. calculate the gibbs free energy change for the conversion of 1.00 mol white tin to gray tin at -30β. b. will white tin convert spontaneously to gray tin at -30β? c. at what temperature are white and gray tin thermodynamically equivalent at a pressure of 1 atm?
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