Use the standard reduction potential table to predict which reaction will occur spontaneously. a) cu(s) + 2ag+(aq) mc001-1.jpg cu2+(aq) + 2ag(s) b) 2 fe3+(aq) + 2cl–(aq) mc001-2.jpg 2fe2+(aq) + cl2(g) c) mn2+(aq) + 4h2o(l) + 2fe3+(aq) mc001-3.jpg 2fe2+(aq) + mno4–(aq) + 8h–(aq)

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.