Chemistry (including Biochemistry)/Expert Profile

Average Ratings

• Knowledgeability 9.95
• Clarity of Response 9.88
• Timeliness 9.79
• Politeness 9.95

• Number of Questions (in Past 24 Hours) 0
• Max Questions to be Asked (in 24 Hour Period) 5
• Total Questions (since joining AllExperts) 375
• Volunteer Since 2007-01-10
• Prestige Points 1320

Recent Reviews from Users

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    K = Knowledgeability    C = Clarity of Response    T = Timeliness    P = Politeness

User	Date	K	C	T	P	Comments
JULIE	11/16/09	10	10	10	10	Thank you for your prompt reply and .....
Mayur	10/11/09	10	10	10	10	I am thankful of you for giving .....
Uzair	10/06/09	10	10	10	10
Patty	04/21/09	10	10	10	10	What a GREAT help. A quick response .....
SEEP	04/17/09	8	8	9	8

Recent Answers from Chad Welch

2009-11-15 CHEMISTRY (HIGH SCHOOL STANDARD):

Julie, I'm not sure what you mean by a substance's thickness. Do you mean the thickness of the molecules or perhaps the consistency of the substance. In either case it is affected. The most common example

2009-10-04 chem question:

Hi Roshanb, Given the information you have listed here, the correct answer is 7.90g. However, I believe there is a typo here (and perhaps in the old test of your professor's). I believe that 295 degrees

2009-04-20 Chemistry trivia:

Patty, Those are geographic coordinates. If you have a program like Google Earth (it is a free download at http://earth.google.com) you can enter 11° 22' N 142° 36' E as a search term. That location is

2009-04-20 calories:

Carmela, You are correct. Consuming a can of soda will have the same number of calories as dumping the can into water and consuming all of it. Assume that all of the calories in the soda are from sugar

2009-04-18 chemistry:

This is because of the surface area of the sugar cube versus the spoon full of sugar. The only portion of the sugar that can dissolve is the portion in contact with the solution. In the cube's case, the