If 18.75 mol of helium gas is at 10.0 degree C and a gauge pressure of 0.350 atm, a. Calculate the volume of the helium gas under these conditions. b. Calculate the temperature if the gas is compressed to precisely half the volume at a gauge pressure of 1.00 atm.

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90

What are the chemical names of these compounds? ke: mg3n2: reset next