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1. A point charge, q force2flux = -2.5 µC, is placed in an electric field of 200 N/C. Find the on the charge.
2. An electric field of 120 V/m makes an angle of 85 degree with the surface vector, which has a magnitude of 2.5 m. Find the electric that passes through the surface.
an aqueous solution of a nonelectrolyte boils at 100.32c. what is its expected freezing
The molarity of a reactant in a second-order reaction falls from 0.150M to 0.130M in 30.0s What is the instantaneous rate of disappearance of the reactant at 30.0s
A 25.0 mL sample of 0.1 M acetic acid is titrated with 0.125 M NaOH. Calculate the pH at 25 degrees C of the titration mixture after 10.0, 20.0, and 30.0 mL of the base have been added.
Advanced Organic Chemistry - 300906 - write down the mechanism for the formation of 11 from compound 10 using curly arrows
If 842 pounds of Moon samples have been collected from lunar landings, what is the mass expressed in kilograms? (Given: 1 kilogram= 2.20 pounds).
Where the Au 3+ is 0.89 M in one half and 0.14 M in the other? What half reactions occur at each?
The heat of fusion of ice (the heat associated with ice melting) is 6.0 . Find the temperature of the coffee after the ice melts.
How much heat is absorbed when 45.00 g of C(s) reacts in the pressence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation?
What are the frequency and the energy of a photon of light at each of these wavelengths. What are the energies in kJ/mol
In some solar-heated homes, heat from the sun is stored in rocks during the day and then released during the cooler night. (a) Calculate the amount of heat required to raise the temperature of 78.7 kg of rocks from 25.0°C to 43.0°C.
The speed of sound in air is 344 m/s at room temperature. The lowest frequency of a large organ pipe is 30 s^-1 and the highest frequency of a piccolo is 1.5*10^4 s^-1
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries.
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