Mass of the alcohol
A solution of alcohol, C2H6O in water has a molality of alcohol of 3.25 mol/kg. In this solution, what is the percent by mass of the alcohol?
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If 4.00 ml of 0.0250 M CuSO4 is diluted to 10.0 ml with pure water what is the molar concentration of the copper (II) sulfate in the diluted solution ?
A company will be only as effective as the driving force behind it. Establishing a vision is important for any organization as it sets a roadmap for success. A mission statement reflects the goals and purpose of a company.
A simple cubic unit cell is composed of identical spherical particles with a diameter of 75 pm. What is the volume of the unit cell?
A 455-g piece of copper tubing is heated to 89.5 Celcius and placed in an insulated vessel containing 159g of water at 22.8 degrees Celcius.
A company's beginning-of-the-year assets are $60,000 and liabilities are $40,000. During the year, the company reported income of $15,000, paid dividends of $5,000 and sold common stock for $4,000. Its year-end liabilities are $50,000.
A sample consisting of 1.00 mol of perfect gas atoms, for which Cv,m = 5/2R, initially at P1 =1.00atm and T1= 300k, is heated reversibly to 400K at constant volume. Calculate the final pressure, delta-U, q and W.
A 27.3 g sample of pure iron at 81 C is dropped into 56 g of water at 40 C. What is the final temperature of the water-iron mixture?
For the reaction A → 2B, the reaction rate is equal to its rate constant of 0.447mol L-1min-1. Your value for [A]o= 0.50 M, what is the half-life of the reaction?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult