Chemistry, 12.03.2021 05:40, temily0303

How many kernel electrons are in Carbon?

Is it 2?

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Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

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Chemistry, 21.06.2019 19:00, cici86

Which term best describes the form sound takes as it travels away from a drum (a- gas)(b-music) ( c-waves) (d-particles

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Chemistry, 21.06.2019 20:40, Islandgirl67

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b. zinc7.14,c. copper 8.92,d. lead 11.34

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Chemistry, 21.06.2019 22:30, 20heldmadison

Hot air balloons float in the air because of the difference in density between cold and hot air. in this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. to do this, use the following variables and make these assumptions: the combined weight of the pilot basket together with that of the balloon fabric and other equipment is w. the volume of the hot air inside the balloon when it is inflated is v. the absolute temperature of the hot air at the bottom of the balloon is th (where th> tc). the absolute temperature of the cold air outside the balloon is tc and its density is ďc. the balloon is open at the bottom, so that the pressure inside and outside the balloon is the same. as always, treat air as an ideal gas. use g for the magnitude of the acceleration due to gravity.