Consider the balanced equation below.

2H2S + 3O2 - - - > 2SO2 + 2H2O

Which option gives the correct mole ratios?

H2S:SO2 = 2:2 and O2:H2O = 3:2

H2S:SO2 = 2:3 and O2:H2O = 3:2

H2S:SO2 = 4:4 and O2:H2O = 5:4

H2S:SO2 = 4:6 and O2:H2O = 4:4

The equilibrium constant Kc for the equation2H2 (g) + CO (g) ⇌ CH3OH (g) is 35 at a certain temperature. If there are 3.21 * 10-2 moles of H2 and 4.87 * 10-3 moles of CH3OH at equilibrium in a 3.63-L flask, what is the concentration of CO?

What type of radiation does the ozone layer affect

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Calculate the acid dissociation constant of a weak monoprotic acid if a 0.5M solution of this acid gives a hydrogen-ion concentration of 0.000 1M? Show your work.