At 80 k, the particles of a gas have:
a) twice the average kinetic energy of the same particles at 40k.
b) half the average kinetic energy of the same particles at 40k.
c) one-fourth the average kinetic energy of the same particles at 20k.
d) none of these

Calculate the molarity of the solution. 6.02 x 1022 molecules of hci (molecular weight = 36.5 g/mole) in 2.0 liters of water m

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

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