Calculate the ph of 1.25×10^3 aqueous solution of acid hx whose ka=3.5×10^4mol dm^3?

Identify a specific example for each type of technology

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?