If 15.9 grams of ethanol (c2h60) are dissolved in 150.0 grams of phenol
(c6h60) the freezing point of phenol is lowered by 17.0°c. calculate kf for
phenol. show all work.

Two lines parallel to the same plane are parallel to eachother

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2