Chemistry, 10.07.2019 20:20 IkweWolf4431
One kilogram of water is contained in a piston-cylinder device at 100 °c. the piston rests on lower stops such that the volume occupied by the water is 0.835 m. the cylinder is fitted with an upper set of stops. when the piston rests against the upper stops, the volume enclosed by the piston-cylinder device is 0.841 m3. a pressure of 200 kpa is required to support the piston. heat is added to the water until the water exists as a saturated vapor. how much work does the water do on the piston? what is the heat transfer?
Answers: 3
Chemistry, 21.06.2019 20:30, jaejaeJae9534
Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other
Answers: 2
Chemistry, 22.06.2019 14:30, malenacastillo4887
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
Answers: 3
One kilogram of water is contained in a piston-cylinder device at 100 °c. the piston rests on lower...
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