The molar heat of vaporization for methane, ch4, is 8.53 kj/mol. how much energy is absorbed when 54.8 g of methane vaporizes at its boiling point?
use q = n triangle h.
6.42 kj
29.1 kj
137 kj
467 kj

What properties allow transformation to be used as a problem solving tool

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000