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Question- A very large lake at 20 degrees C absorbs 1 milion J of energy in a 5 minute period without raising its temperature significantly. The entropy change for the lake is in J/K. Show your work.
Provide your answer in scientific notation
a 100.0 ml aliquot of .200 M aqueous potassium hydroxide is mixed with 100.0 ml of .200 M aqueous magnesium nitrate. what mass of precipitate is formed? what is the concentration of each ion remaining in the soulution after the reaction is complet..
Gas chromatography. Answer the following questions about retention times of the following compounds. Given naphthalene (boiling point = 218 degrees C), phenol (boiling point =181.7 degrees C), and toluene (boiling poit = 110.6 degrees C). A) List ..
The glass electrode used in commercial pH meters gives an electrical response proportional to the concentration of hydrogen ion. To convert these responses to a pH reading
A compound containing carbon as well as hydrogen contains 4.75 g of carbon and 0.80 g of hydrogen. The molar mass of the compound is about 28 g/mol. Explain what is (a) the empirical formula of the compound as well as (b) the molecular formula of ..
Solution 1.0C 1xF 1.8F 32F2 to carry out the desired conversion. When the absolute temperature is 400 K, what is the Fahrenheit temperature?
Problem- Calculate the molar concentration of H+ ion of a solution that is 6.07×10-2 M in CH3CO2H and 3.56×10-3 M in the salt CH3CO2Li.
Considering all the bonds in a molecule with trigonal bipyramidal geometry, what are the bond angles present
What is the molecular, ionic, and net-ionc forms when nickel(2) nitrate + ammonia (aqueous)
Calculate the osmotic pressure generated when 12.9 grams of testosterone are dissolved in 168 ml of a chloroform solution at 298 K. what is the molarity and osmotic pressure
A hydrogen molecule in it's ground vibrational state with KE=10eV coollides with heavy atom metal surface and no energy is transferred to the surface. The surface can be modeled as an infinite potential wall.
Define what values of J may occur in the terms (a) 1S, (b) 2P, and (c) 3P? Explain how many states distinguished by the quantum number Mj belong to each level
Write orbital diagrams to represent the electron configuration of carbon before sp3 hybridization
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