CHE 105 Midterm: CHE 105 2016Fall Exam 3
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Samples of co2(g), c6h6(g), cl2(g) and c3h8(g) are placed in separate glass vessels (only one gas to a vessel) at the same temperature and pressure. The gas that effuses through a hole in the vessel into a vacuum with the slowest speed is ______. Which of the following states the first law of thermodynamics: energy can be created and destroyed, energy can be destroyed but not created, energy cannot be created or destroyed, energy cannot be converted from one form to another. The specific heat capacity of copper is 0. 385 j/g c: 16. 2 kj, 2. 51 103 j, 2. 60 103 kj, 6. 44 103 j. The specific heat capacity of iron is 0. 449 j/g c and the specific heat capacity of water is. What mass of ch4(g) must burn to release 452 kj of heat: 9. 04 g, 4. 60 g, 28. 0 g, 11. 7 g.
