What 2 things do you ask yourself to identify an igneous rock? * O what is the shape and size?
O what is the hardness and color?
O what is the color and texture?
O what is the texture and hardness?

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3