CHM 110 help
Week Five Exercises
Complete the following exercises from Introductory Chemistry:
· Exercise 71 in Ch. 17 this question only I can do the other two myself
71. A patient is given 0.050 mg of technetium-99m (where m means metastable— an unstable but long lived state), a radioactive isotope with a half-life of about 6.0 hours. How long until the radioactive isotope decays to 6.3 X 10^-3 mg?
· Exercise 104 in Ch. 18
104. Identify each organic compound as either an alkane, alkene, alkyne, aromatic, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, or amine.
(a)
(b)
(c)
(d)
(e)
(f)
· Exercise 77 in Ch. 19
77. Match each biochemical with the correct function in living organisms.
(a) glucose • short-term energy storage
(b) DNA• blueprint for proteins
(c) phospholipids • long-term energy storage
(d) triglycerides • compose cell membranes