A solution contains 3.75 g of a nonvolatile pure hydrocarbon in 95
g acetone. The boiling points of
pure acetone and the solutions are
55.95°C and 56.50°C, respectively.
The molal boiling-point constant of
acetone is 1.71°C kg/mol.
(i) Calculate the molarity of the
solution

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?