How many solutions does this system have? 10x – 7y = 10 4x + 5y = 12

Which property of vectors is incorrect?

Which plane does not contain the point (10, -3, 5)?

If f(x) = sin 3x + cos 2x, then f'(x) =

Find the correct thermodynamic description of the following  reaction that is spontaneous at some conditions:  S6(s) => 6S(g)

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

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

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    

The morphological species concept is made more challenging by the existence of