Which of the following oxidizing agents will oxidize br– but not cl–? 2br– ⇔ br2(l) + 2e– e°ox = –1.065 v 2cl– ⇔ cl2(g) + 2e– e°ox = –1.359 v cr2o72–(aq) + 14h+(aq) + 6e– t h i s a n s w e r i s s e t a s c o r r e c t 7h2o(l) + 2cr3+(aq) e°red =+1.33 v mno4–(aq) + 8h+(aq) + 5e– ⇔ mn2+(aq) + 4h2o(l) e°red = +1.51v no3–(aq) + 4h+(aq) + 3e– ⇔ no(g) + 2h2o(l) e°red =+0.96 v

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.