Non-polar R groups on amino acids are said to be ________ because ...

[burton19126]

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

[blakcmamba]

Answer to Question 1

B

Answer to Question 2

C

Answer to Question 3

B

[burton19126]

Gracias!

[rachel]

Great answer, keep it coming