Chemistry asap
a gas whose molecule is monatomic is

1) oxygen; 2) helium; 3) nitrogen; 4) chlorine; 5) hydrogen.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

What is the common name for the compound shown here? enter the common name of the compound shown?

Question 17 hydrogen is manufactured on an industrial scale by this sequence of reactions: +ch4gh2og ⇌ +cog3h2g k1 +cogh2og ⇌ +co2gh2g k2 the net reaction is: +ch4g2h2og ⇌ +co2g4h2g k write an equation that gives the overall equilibrium constant k in terms of the equilibrium constants k1 and k2. if you need to include any physical constants, be sure you use their standard symbols, which you'll find in the aleks calculator.