Assuming ideal solution behavior, what is the freezing temperature of a solution of 115.0 g of sucrose, C12H22O11, in 350.0 g of water? Kf of water = 1.86 °C/m. Sucrose molar mass = 342.3g/mol

Two forces of 30 N and 50 N, have an angle of 43o between them.  Determine the magnitude and direction of the resultant vector.

At what temperature will a reaction become spontaneous, if its ∆S° is +100.3 J/mol and ∆H° is +48.90 kJ/mol?

 Find the correct thermodynamic description of the following reaction: Br2(s) => Br2(g)

Which solute will have the highest van’t Hoff factor?

The thermodynamic functions for the generic reaction A+B=>C at 25oC are: ΔH= 15.7 kJ/mole;  ΔS=116.95 J/mole*K Calculate ΔG in  kJ/mole    

An open-top box is to be constructed so that its base is three times as long as its width.  Its volume is to be 3000 cm3.  Find the dimensions that will minimize the amount of cardboard needed.

Determine a vector equation for the line that contains A(3, 1, -2) and B(0, 4, 2). Verify that the point (-3, 7, 6) is on the line.

Which vector is not normal to the plane x + 2y – 3z – 4 = 0?

A line in two-space has scalar equation 3x + 5y + 9 = 0.  Which vector is parallel to the line?