what effect does adding a solute have on the freezing point of a solution?
a. the temperature at which the solution freezes is lowered.
b. the temperature at which the solution freezes is unchanged.
c. the temperature at which the solution freezes is raised.
d. the solution will not reach a freezing point temperature.

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

How much energy is made when a pice of wood burns. how do you know

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm