What is the ksp of nickel(ii) sulfide if the equilibrium concentrations of ni2+ and s2− in a saturated solution of nis are each 1 × 10−10m?

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Who discovered a pattern to the elements in 1869?