How many moles of gas does it take to occupy 520 ml at a pressure of 400 torr and a temperature of 340 k
a.73.6 moles
b. 0.0098 moles
c.0.980 moles
d. 0.0735 moles

Noble gases are the most reactive elements on the periodic table. a. true b. false

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.