7.92x10^23 molecules CH4, convert to mol CH4

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?