What is the relationship between enthalpies p, q, r and s?

S(s) + H2(g) -> H2S(g) AH=p

H2(g) + O2(g) -> H2O(1) AH=q

S(s) + O2(g) -> SO2(g) AH=r

H2S(g) + 1%O2(g) -> H2O(1) + SO2(g) AH=s

Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What is the molar mass of potassium nitrate, kno3