Chemistry, 15.07.2019 02:30, Calumworthy6046

Science question according to cell theory all cells have a nucleus all cells are differentiated all cells reproduce by mitosis all living organisms are composed of cells

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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.

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Chemistry, 22.06.2019 05:00, kidzay

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Chemistry, 22.06.2019 10:30, esnyderquintero

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Chemistry, 22.06.2019 15:30, lizzyhearts

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

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Science question according to cell theory all cells have a nucleus all cells are differentiated all...