What happens to the coefficients in a reaction when writing the equilibrium constant expression?

a.) they become exponents in the equilibrium constant expression

b.) they become multipliers in the equilibrium constant expression

c.) they become coefficients in the equilibrium constant expression

d.) they disappear

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )