Chemistry

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Which of the following hydrocarbons has a double bond in its carbon skeleton? A) Started by federox	2 Replies 1,012 Views	Jun 5, 2013 by federox
Which chemical group is most likely to be responsible for an organic molecule be Started by federox	2 Replies 841 Views	Jun 5, 2013 by federox
The two molecules shown in the figure above are best described as A) optical iso Started by federox	2 Replies 1,089 Views	Jun 5, 2013 by federox
Which of the following people used this apparatus to study the formation of orga Started by federox	2 Replies 1,160 Views	Jun 5, 2013 by federox
Testosterone and estradiol are male and female sex hormones, respectively, in ma Started by federox	2 Replies 1,192 Views	Jun 5, 2013 by federox
Which functional groups can act as acids? A) amino and sulfhydryl B) carbonyl an Started by federox	2 Replies 690 Views	Jun 5, 2013 by federox
A carbon skeleton is covalently bonded to both an amino group and a carboxyl gro Started by federox	2 Replies 966 Views	Jun 5, 2013 by federox
Amino acids are acids because they always possess which functional group? A) ami Started by federox	2 Replies 991 Views	Jun 2, 2013 by federox
Which two functional groups are always found in amino acids? A) ketone and methy Started by federox	2 Replies 1,002 Views	Jun 2, 2013 by federox
Which of the following is a false statement concerning amino groups? A) They are Started by federox	2 Replies 1,003 Views	Jun 2, 2013 by federox
When Stanley Miller applied heat and electrical sparks to a mixture of simple in Started by federox	2 Replies 1,135 Views	Jun 2, 2013 by federox
Stanley Miller's 1953 experiments assumed that early Earth's atmosphere containe Started by federox	2 Replies 1,606 Views	Jun 2, 2013 by federox
Hermann Kolbe's synthesis of an organic compound, acetic acid, from inorganic su Started by federox	2 Replies 1,596 Views	Jun 2, 2013 by federox
Stanley Miller's 1953 experiments proved that A) life arose on Earth from simple Started by federox	2 Replies 1,206 Views	Jun 2, 2013 by federox
Which of the following people was the first to synthesize an organic compound, u Started by federox	2 Replies 883 Views	Jun 2, 2013 by federox
Differences among organisms are caused by A) large differences in elemental comp Started by federox	2 Replies 1,378 Views	Jun 2, 2013 by federox
The experimental approach taken in current biological investigations presumes th Started by federox	2 Replies 1,016 Views	Jun 2, 2013 by federox
The complexity and variety of organic molecules is due to A) the chemical versat Started by federox	2 Replies 870 Views	Jun 2, 2013 by federox
The element present in all organic molecules is A) hydrogen. B) oxygen. C) carbo Started by federox	1 Replies 775 Views	Jun 2, 2013 by coco
Which of the following statements is true about buffer solutions? A) They mainta Started by Hawke	1 Replies 927 Views	May 31, 2013 by coco
One of the buffers that contribute to pH stability in human blood is carbonic ac Started by Hawke	1 Replies 1,279 Views	May 30, 2013 by Celeste
Assume that acid rain has lowered the pH of a particular lake to pH 4.0. What is Started by Hawke	1 Replies 1,072 Views	May 30, 2013 by Celeste
How many grams of acetic acid (C2H4O2) would you use to make 10 L of a 0.1 M aqu Started by Hawke	2 Replies 929 Views	May 30, 2013 by Hawke
A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat t Started by Hawke	2 Replies 1,318 Views	May 30, 2013 by Hawke
Measurements show that the pH of a particular lake is 4.0. What is the hydroxide Started by Hawke	2 Replies 968 Views	May 30, 2013 by Hawke