Calculate the number of molecules of hydrogen and carbon present in 4g of methane

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

Identify and describe the three ways that mutations affect organisms.

What is the molar mass of potassium nitrate, kno3