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1. ethylene glycol is used as automobile antifreeze. 6.38 g of this compound contains 2.47 g of carbon and 0.620 g of hydrogen. The rest is oxygen. The molar mass is 62.0 g/mole. What are the empirical and molecular formulas of ethylene glycol?2. aspirin is produced in a student lab. One mole of salicylic acid (MM 138 g/mole) reacts with one mole of acetic anhydride (MM 102 g/mole), producing one mole of aspirin (MM 180 g/mole) and one mole of acetic acid, commonly known as vinegar (MM 60 g/mole). The student reacts 2.054 g of salicylic acid with 5.00 mL (density 1.00 g/mL) of acetic anhydride. After heating, crystallizing, and filtering, the collected product weighed 2.189 g.a. write a balanced chemical equation in words.b. Which one is the limiting reagent?c. How much is the theoretical yield?d. How much is the percent yield?3. a cup of ice cream contains 6.0 g of protein, 36 g of carbohydrate, and 8.0 g of fat. Approximately how many hours of walking would be required to burn up the energy taken in by eating a cup of ice cream?Protein = 4 kcal/gCarbohydrate = 4 kcal/gFat = 9 kcal/gWalking burns 300 kcal/hr
Assess the marketing strategy of a health care organization with respect to wellness and prevention. What are the limitations to the current approach?
Obviously the employ of different national currencies creates a barrier to further growth in international business activity, but what are the pros among companies of replacing national currencies with regional currencies?
Executives of Studio Recordings, Inc. produced the latest compact disc by the Starshine Sisters Band, titled Sunshine /Moonshine . The following cost information pertains to the new CD: CD package and disc (direct material and labor) $1.25/CD
The Montreal protocol and its subsequent amendments resulted in the elimination of many ozone depleting substances. Alink to the montreal protocol can be found on the course Webliography.
As a parent of a young child, you are concerned about giving your child a head start. Which theory - Piaget's or Vygotsky's - do you like the best?
Which aspects or areas of a project plan are more likely to be affected by risk responses and how do risk responses affect the different areas of a project plan
what are the strengths and weaknesess of multinational and binational, multiethnic, states in maintaing peace
Identify an important issue related to your representative's committee or subcommittee work in Congress. Summarize your representative's position on that issue as described on his or her website or illustrated by legislation sponsored by your represe..
In this letter, explain your position regarding the ethics of war and responses to terrorism. In your explanation, be sure to draw upon ethical concepts and reasoning’s to support your position.
Critically discuss the ethical implications of the Terri Schiavo case. Be sure to identify and discuss competing rights and interests as well as applicable ethical theories and principles.
How important do you believe social interaction is in the socialization process? Examine and explain the idea of a status, and determine which one you believe is most influential in socialization. Make sure to provide rich, beneficial example
What elements of Taoism, Confucianism, and Shinto are characteristic of the eastern religious traditions? Please explain
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