Chemical Engineering

Recent Answers

2009-11-02 Thermodynamics - 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 Thermodynamics - 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 Thermodynamics - 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

2009-10-14 Thermodynamics - thermodynamic arrow of time:

Entropy is a measure of disorder. Although a few atoms might become more organized, indicating a decrease in entropy, somewhere else the increase in entropy more than offsets that. In other words, the

2009-10-11 Thermodynamics - how salt effects boiling water:

Hi Braynna, Adding salt to water allows the salt to be spread evenly throughout the water. Water has to be heated up to break the bonds that hold the water together as a liquid to make it boil as a