Consider a free lysine amino acid in a solution buffered to pH = 9.00. What will be the overall charge on the residue? Is it -2, -1, 0, 1, 2?

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.