Why is the volume of hexane not a factor in forming
Why is the volume of hexane not a factor in forming the monolayer of stearic acid? The stearic acid solution is >99% hexane. Stearic acid is also soluble in acetone, explain which has a lower boiling point than hexane.
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A glass capillary tube is placed in a beaker containing a substance in its liquid state. After an hour the liquid shows no tendency to move up the tube.
Calculate the molality and molarity of the acid solution if the concentrated sulphuric acid we use in the laboratory is 98% H2SO4 by mass. The density of the solution is 1.83g/mL
The recommended procedure for preparing a very dilute solution is not to weigh out a very small mass or measuring a very small volume of a stock solution. A sample of KMnO4 was dissolved in the water and made up to a volume in a 500-mL volumetric
Assume that the drying time for certain kind of paint under specified test situations is known to be normally distributed with mean 75 minutes as well as standard deviation 5 minutes.
Assume you have available 2.50 L of a solution (d=0.9767 g/mL) that is 13.8% ethanol (C2H5OH), by mass. From this solution you would like to make the maximum quantity of ethanol-water antifreeze solution that will offer protection to -2.0 degrees
A manufacturer claims that the mean lifetime of the light bulbs he produces is at least 1200 hours. A random sample of 10 bulbs is taken and the lifetimes are observed. The results are summarized by ?
The toxic gas hydrogen cyanide, HCN is water soluble. Illustrate a simple picture of HCN and H2O molecules and find out all of the interactions that may occur between the different molecules in the liquid state.
Discuss why does sweet & low cause a persons scalp to stop feeling itchy while there is tint on their hair (and scale), without causing the tint to stop processing?
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Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Question: Jena and Ben are employees of Big City Electronics. They began to have a consensual sexual relationship.
Working in the yard, you feel unpleasantly hot and sweaty when you come in the house, so you take a shower and begin to feel better.
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think