Consider the dissolution of an ionic compound such as potassium fluoride in water. Break the process into the following steps: separation of the cations and anions in the vapor phase and the hydration of the ions in the aqueous medium. Discuss the energy changes associated with each step. How does the heat of solution of KF depend on the relative magnitudes of these two quantities
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Chemistry, 21.06.2019 15:00
An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions
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Chemistry, 21.06.2019 18:30
Calculate the change in entropy if br2(l) is converted to br2(g). sĀ° for br2(l) = 152.2 j/(molā¢k) sĀ° for br2(g) = 245.5 j/(molā¢k) sĀ° for br(g) = 175.0 j/(molā¢k)
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Chemistry, 22.06.2019 22:30
Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.
Answers: 2
Consider the dissolution of an ionic compound such as potassium fluoride in water. Break the process...
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