When copper metal is added to nitric acid, the following reaction takes place cu (s) + 4 hno₃ (aq) → cu(no₃)₂ (aq) + 2 h₂o (l) + 2 no₂ (g) calculate the volume of no₂ gas collected over water at 25.0 °c when 2.01 g of copper is added to excess nitric acid if the total pressure is 726 mm hg. the vapor pressure of water at 25.0 °c is 23.8 mm hg.

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?