For the system: 2 HI(g) = H2(g) + 12(g), at 445°C, the value for Kc is 0.020. A mixture of H2, I2, and Hl in a vessel at 445°C has the following concentrations:
[HI] = 2.0 mol/L, [H2] = 0.50 mol/L and [12] = 0.10 mol/L
Which one of the following statements about Qc is TRUE for the above system?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.