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How much energy in J is needed to convert 48 g of liquid ethanol at 67 oC to vapor at 97oC. You might need to know that: mp = -114 oC and bp = 78oC The heat of fusion is 4.6 kJ/mol and the heat of v
In the reaction MnO4? + 8H+ + 5e? = Mn2+ + 4H2O, the manganese in 3.95 grams of KMnO4 (M.W. 158.0) were reduced to Mn2+. How many coulombs of charge must have been transferred to the permanganate io
A parallel-plate capacitor has a capacitance of c1 = 5.5 ?F when filled with air and c2 = 33 ?F when filled with a dielectric oil at potential difference of 12 V, Input an expression for the permit
Rosenstone argues using examples (e.g. Walker, JFK and A Knight’s Tale) that while filmic sequences, events or characters might not have actually existed/occurred, they can still have historical
Molecular orbital templates for diatomic molecules from the 2nd period elements are attached to the back of the exam. Use the appropriate diagram to determine the bond order in the O2+ ion.
What is the level of orbital hybridization around the central atom of molecules that belong to the following AXE classes: Select the one answer that is correct in all three columns.
A satellite of mass 5400kg orbits the Earth and has a period of 6580s, determine the magnitude of the Earth's gravitational force on the satellite
Which of the following were major items of trade in the West African states of Ghana and Gao?
the molar enthalpy of formation for nitrogen dioxide is +33.18 kj/mol. the chemical equation that corresponds to this value of (delta)Hf is
Confucian philosophy emphasized Confucian philosophy emphasized
You are given a parallel plate capacitor that has plates of area 4.00 m2 which are separated by 0.0100 mm of nylon, Calculate what the applied voltage in kV should be for this capacitor
The specific heat of iron is 0.451 J/g·°C. If 12.04 kJ of heat energy are applied to 180.0 g of iron at an initial temperature of 22.0°C, what is the final temperature of the iron
According to the book( The Name of War), how did the events surrounding King Philip's War shape English identity? How did it shape English depictions of Indians/Indian communities? Were these interpre
if 25.00mL of .2500 M formic acid is titrated with 25.00mL of .2500 M NaOH, what is the pH at the equivalence point? the Ka for formic acid 1.8x10^-4.
first generation computers were powered by nickel cadium batteries which generated 1.20 V based on the following reaction Cd(s)+2 NiO(OH)(s)+2 H2O(l)-> Cd(OH)(s)+2 Ni(OH)2(s) what is delta g cell i
The Chinese philosopher Xunzi wrote that if a person attempted to cure rheumatism by beating a drum and sacrificing a pig to the gods, then the
Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 2100 V/m, Calculate the radius r of the path for a singly ch
first generation computers were powered by nickel cadium batteries which generated 1.20 V based on the following reaction Cd(s)+2 NiO(OH)(s)+2 H2O(l)-> Cd(OH)(s)+2 Ni(OH)2(s)
Almost 50 years ago a young man had a dream. He had a dream, "that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of
A -11.0kg bucket is lowered vertically by a rope in which there is 163N of tension at a given instant, What is the acceleration of the bucket
If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution
You are given three capacitors, with capacitances 0.0077 µF, 12000 pF, and 0.027 µF. Choosing from these three capacitors, How would you connect them in each case
Trickle-bed reactors, advantages and disadvantages from a green chemistry/engineering perspective.
In forming his government, Asoka recruited what group to serve as bureaucrats?