When 10 g of diethyl ether is converted to vapor at its boiling point, about how much heat is absorbed? (C4H10O, ΔHvap = 15.7 kJ/mol, boiling point: 34.6°C)
a. 2 kJ
b. 2 J
c. 0.2 kJ
d. Not enough information is given.

and please explain how if you can

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.