Molecular weight of the sample
When 4g of a sample are dissolved in enough benzene to give 2L of solution the osmotic pressure is 3.2 torr at 25 degrees C. What is the molecular weight of the sample?
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A 0.10 M solution of lactic acid, a monoprotic acid of formula HC3H5O3, was found to have a pH of 2.43. What is the value of Ka for the acid and the percent ionization?
Give an examples of a free-radical polymerization reaction (e.g. polymerization of ethylene into polyethylene). Indicate all steps of the process: chain initiation, chain propagation, chain termination, and formation of branched polymers.
A solution contains 100.0 g of water and 15.0 g of alcohol. What is the percent alcohol in the solution? My teacher got 13% and im not sure how?
Sanai manufacturing company produces and sells 40,000 units of a single product. Variable costs total $80,000 and fixed costs total $120,000.
Lesley Chomski is the supervisor of the new product division of MCO Corporation. Her annual bonus is based on the success of new products and is computed on the number of sales that exceed each new product's projected break-eve
If a car increases its speed from 14.2 mph to 42.6 mph, by what factor does the kinetic energy of the car increase? Enter your answer to three significant figures, Show work.
The best available balances can weigh amounts as small as 10-5 g. If you were to count out carbon atoms at the rate of two per second, how long would it take to count a pile of atoms large enough to weigh (10-5g)?
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains 0.0013% Pb by mass. How much of the water (in ml) contains 145 mg of Pb?
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Read the excerpt from Pat Mora's essay "The Leader in the Mirror." I hoped that most of the students were going to enroll in college.
It's currently just an idea, but you've been tapped to lead the cross-functional team that will investigate that idea.
Audio and verbal communications can influence hiring by amplifying biases related to speech, accents, and socioeconomic status.
1. How do the ACA and ASCA ethical standards address self-care? 2. How do you plan to maintain a healthy balance between your professional and personal life?
Your client expresses emotional or physical attraction toward you, and you have similar feelings for your client.
Describe the difference between crossing boundaries and violating boundaries.
What are some prominent social norms in your assigned country? Is conformity more common and expected in that country? Please provide examples.