How much chocolate would you have to consume
A 1.0 ounce piece of chocolate contains 15 {rm mg} of caffeine, and a 6.0 ounce cup of regular coffee contains 105 {rm mg} of caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 3.0 cups of coffee?
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Draw a pC-pH graph of the carbonate system and uses it to determine the pH of the system. Repeat this for initial concentrations of carbonic acid of 0.62 and 620 mg/L.
The pH of the resulting solution is 8.0. Then you add 40 mL of 1.0 M hydrochloric acid (HCl) to the solution. What is the new pH?
1-bromobutane was added to a solution of sodium iodide in acetone. One of the possible side products of this reaction is dibutyl ether. Provide the mechanism of thus molecule.
Liquid heptane, C7H16 , burns in oxygen gas to yield carbon dioxide and water. What mass of carbon dioxide is produced when 15.0 mL of heptane burns completely?
A 13.6 sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. what temperature will the water reach, assuming tha tthe calorimeter container does not gain or lose any heat?
How much heat in kilojoules is evolved or absorbed in the reaction of 275.0 {rm g} of calcium oxide with enough carbon to produce calcium carbide?
A mixture of gases with a pressure of 800.0 mm Hg contains 60% nitrogen and 40% oxygen by volume. What is the partial pressure of oxygen in this mixture?
If 1.56g of a gas has a volume of 1.00 L at .984 atm and 50 degrees Celcius, what is the molar mass of the compound.
Which of the following ethers has the highest boiling point?
Which pair would be least diffcult to separate by fractional precipitation?
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Between the years 1931-1940, what are some examples of "the Two Spains" or "las dos Españas" and how did this phenomenon manifest itself
How did Social Welfare begin in this country? Provide at least two examples to support your answer, include at least two subcultures within the U.S.
How do you think the United States could change the public education system to level playing field and produce better outcomes? How are public schools funded?
How would you update the idea to resonate with today's audiences? Make sure to describe which ID you are basing
Describe the sequence of events that included German invasion of the Rhineland, occupation of the Sudetenland and later of Austria.
Why was the Church resistant to change? What was the Council of Trent? What was its purpose? What results did the Council of Trent produce?
Both the LOCADTR and the ASAM-PPC can be used to complete the level of care assessments. Which one might you prefer to use and why?