30. For the reaction at equilibrium : 3Fe (s) + 4H2O (g) <> Fe3O4(s) + 4H2 (g), removing some of the product, Fe3O4 (s), would a) Shift the equilibrium to the right b) Shift the equilibrium to the left c) Increase the value of the equilibrium constant, K d) Decrease the value of the equilibrium constant, K e) Cause no change

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays