Which statement best helps to explain the observation that NH3(1) boils at -28°C, whereas PH: (1) boils at -126°C? A
The dispersion forces in NH3 are weaker than the dispersion forces in PH3.
B
The dispersion forces in NH3 are stronger than the dipole-dipole forces in PHz.
С
NH3 has hydrogen bonding that is stronger than the dipole-dipole forces in PH3
D
NH3 has hydrogen bonding that is weaker than the dipole-dipole forces in PH3.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.