Chemistry, 26.10.2019 02:43 elizavlsc4
Some nitrogen is held in a 2.00-l tank at a pressure of 3.00 atm. the tank is connected to a 5.00-l tank that is completely empty (evacuated), and a valve is opened to connect the two tanks. no temperature change occurs in the process. determine the total pressure in this two-tank system after the nitrogen stops owing.
Answers: 2
Chemistry, 22.06.2019 07:20
The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.
Answers: 1
Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
Chemistry, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
Some nitrogen is held in a 2.00-l tank at a pressure of 3.00 atm. the tank is connected to a 5.00-l...
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