Thermodynamics/Expert Profile

Average Ratings

• Knowledgeability 9.91
• Clarity of Response 9.89
• Timeliness 9.91
• Politeness 9.98

• Number of Questions (in Past 24 Hours) 0
• Max Questions to be Asked (in 24 Hour Period) 5
• Total Questions (since joining AllExperts) 447
• Volunteer Since 2007-10-17
• Prestige Points 4310

Recent Reviews from Users

Read More Comments

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

User	Date	K	C	T	P	Comments
Tommy	10/27/09	10	10	10	10	Thank you for your answer. It helps .....
Hamad	10/26/09	10	10	10	10
Kathleen	10/16/09	10	10	10	10	Great response. He help to clarify my .....
Roshanb	10/07/09	10	10	10	10
Brandon	10/06/09	10	10	10	10	Wow! That explains a lot. Thanks for .....

Recent Answers from Kevin

2009-11-11 Open Window cooling:

Hi Marisela, There are several factors which have to go into the model. One is the difference in temperature between inside and out. Only if it is hotter inside can any cooling be effected. The other

2009-11-08 Thermoelectric Generators?:

Hi Rami These devices are very inefficient (5-8%) and can only usefully be considered with waste heat. They have thermal problems and electrically can only be applied to loads of high resistance.

2009-11-02 LPG Vs Petrol Vs Ethanol:

Hi Eddie, This is too long and involved for me to do so I will supply some brief answers/suggestions. Q1. You should look this up yourself, try Wikipedia. Q2. This is the same for all three fuels

2009-10-26 Atomic Structure:

Hi Tommy, Q1 You read the label on the jars! But if there is no label there are a series of tests that you do which will help identify the atoms present. Does it dissolve in water, acid, alkali, solvents?

2009-10-26 8th grade interview:

Hi Carley, Q1. Yes at one point in my career I was responsible for making a range of phenol derivatives as pure as we could get them. (better than 99.999%). Highly pure samples are often needed to calibrate