Non-polar R groups on amino acids are said to be ________ because they are not attracted to water molecules.
A) hydrophilic
B) hydrophobic
C) ionized
D) unreactive
E) none of these
Question 2
If the percent yield for the following reaction is 65.0, how many grams of KClO3 are needed to produce 32.0 g of O2? 2 KClO3(s) 2 KCl(s) + 3 O2(g)
A) 53.1 g
B) 81.7 g
C) 126 g
D) 283 g
Question 3
The specific heat capacity of methane gas is 2.20 J/g K. How many joules of heat are needed to raise the temperature of 5.00 g of methane from 36.0C to 75.0C?
A) 88.6 J
B) 429 J
C) 1221 J
D) 0.0113 J
E) 22.9 J