Gas under 200 kPa of pressure at a temperature of 120 K fills a 0.5-L container. If the temperature decreases to 80 K
but the pressure stays the same, what volume will the gas
have?

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest