Determine the pH change when 0.062 mol HBr is added to 1.00 L of a buffer solution that is 0.485 M in HCN and 0.264 M in CN". pH after addition - pH before addition = pH change =

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What state of matter is ice a. liquid b. element c. solid d. gas