Is O2(g) <---> O2(aq) an endothermic/exothermic reaction, and why?
if a person weighs 120kg on earth, how much would they weigh in space
If a 0.50 M solution of potassium hypochlorite, [OH^-]=3.0*10^-4. What is the Ka for hypochlorous acid? Can someone please help me with this question? I can't get the right answer
How do we determine the specific gravity of a solution? and what unit is it in?
is it true that at 20ºC, 100g = 100mL （for water)
NVM, i got it! thanks!
Thank you! I am still confused about b)
In s 0.30 mol/L HNO3(aq) solution. a) what is the concentration of nitric acid molecules. b)what is the hydroxide ion concentration?
If angle AOB=4x+15 and angle AOC=3x+25, find the degree measured of AOB and AOC