Tintin

Ten distinct noncollinear points are chosen on a plane. a) How many line segments can be formed by joining any two of these points?

the equilibrium constant Kc for the reaction H2 + Co2 to H2O + CO is 4.2 t 1650°C initially .80 mol of H2 and 0.8 mol Co2 are injected into a 5.0 flask. Calculate the concentration of each species at equilibrium

Ali has a rectangular pool around which he wants to construct a fence. The pool is 10 m long and 6 m wide, and he wants the fence to be 2 m from the edge of the pool on all sides. How many metres of fencing will he need

Derive an equation whose coefficients are integers and which has roots of 1/2 and -7.