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Potassium bromide is used as an anti-seizure medication for dogs. Calculate the molar concentration of 8.25 x 10-2 mol of KBr in 45.0 mL of solution.
White sugar used in baking and as table sugar is known scientifically as sucrose, C12 H22 O11 Calculate the molar concentration of 145 g of C12 H22 O11 in 2.25 L of solution.
The calorimeter constant is 27.8J/°C. Write the balanced chemical equation and calculate the amount of heat released by the experiment
If one started will 6.73 g of copper chloride, how many grams of copper could be produced?
In the year 2007, an estimated amount of 31 billion tons of carbon dioxide was emitted worldwide due to fossil fuel combustion and cement production. Express this mass of carbon dioxide in grams without exponential notation, using an appropriate m..
Define the other electrode is aluminum metal immersed in a 0.20 M Al3+. Explain what is the cell potential when the hydrogen electrode is immersed in a sample of acid rain with a ph of 4.0 at 25 degrees C
Explain why a 1m solution of the compound FeCl2 in water has a lower freezing temperature than a 1m solution of KCl in water and what is the empirical formula of a compound
Calculate the total ionic concentration of a weak acid and a weak base (knowing their conductivities) by setting up a proportion with the total ionic concentration and conductivity of a strong acid and a strong base. Basically, we ran out of time and..
How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution? Show all of the work needed to solve this problem.
A solution is prepared by dissolving 294 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.
Use Huckel molecular orbital theory to answer the following questions. Express energies as functions of the parameters α and β. Write down the secular determinant and calculate the π molecular orbital energy levels of ethene.
How many moles of Al are required to completely react with 0.714 mol MnO2?
hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08699 M KOH, what is the pH after 92.88 mLs of titrant have been added
Explain what is the fraction of association (?) for the subsequent potassium propionate solutions. Ignore activities. The Ka of propanoic acid is 1.34 × 10-5.
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