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An electron having kinetic energy 5.5 keV moves in the circular orbit perpendicular to a magnetic field of around 0.390 T. (i) Determine the radius of the orbit.
Potassium hydrogen phthalate (KHP) is a weak monoprotic acid. Determine how many mole of NaOH are needed to neutralize the .616g of KHP?
If the acetic acid content of vinegar is determined as1.00mol/L, what weight of acetic acid would there be in 1.00 liter of vinegar solution?
A source emits sound equally in all directions. There are no reflections of the sound. At a distance r1 from the source the sound is around 3.9 dB louder than it is at a distance r2 from the source
A rock having mass m is dropped from a height h above the ground. Employ the conservation of energy to determine (in terms of m and h) the given. i) Determine the kinetic energy of the rock merely b
Discuss the difference between noncompetitive, competitive and the uncompetitive inhibitions in terms of the mechanisms of modeling and inhibition?
The cycles are hypthesized to rise and fall like sine waves in trigonometry. Let us say person's physical, emotional, and intellectual cycle all peaked. When next time all three would peak?
A sample of juice which is having 2.000-gram from fresh line was diluted with the water and filtered to remove the suspended matter. The clear liquid was titrated with 40.39mL of 4.022 x 10-2 M
When the separation distance of the slits is around 0.0350 mm, determine (i) the wavelength and color of light and (ii) the lateral displacement of the fringe?
Chlorine molecules decompose according to the following reaction that takes place in a basic solution: Cl2→Cl-+ClO3-. Find out the oxidation and reduction that takes place in this reaction. Wri
Let us say Earth, Mercury, and Venus are aligned at the certain time. How long it will be before all 3 are again aligned, if yearly cycles of Mercury and Venus are 88 and 224 Earth Days?
Illustrate the major organic substitution products of the reaction. Specify the stereochemistry at every stereo center with a single hashed (down), wedged (up) or squiggly (a mixture of up and
Determine how far apart should two wires carrying 400 A of current each be to feel 1.0 N of attractive force all along 1.0 meter of their length?
Explain to what every level does the electron move if the electron in a ground-state H atom absorbs a photon which is having the wavelength 97.20 nm.
A light bulb of 0.4 watts is designed so that it works with 2 volts via its terminals. A resistance R is positioned in parallel with the light bulb, and the combination is joined in series having a
Police often monitor traffic with the "K-band" radar guns, which operate in the microwave region at the 22.234 GHz (1 GHz =109 Hz).
A circular loop having wire, 2.0 cm in radius, carries a 3.5 A current in a 0.05 T magnetic field. Determine the maximum torque possible from this current loop if it is permitted to rotate freely? (
Determine the percent of calcium oxalate in a sample if which is having 25.0 mL of 0.1000 M potassium permanganate is needed to react with the 2.000 g of sample.
Explain what are all the possible products and the expected mole percent of each when the Monochloronation of 2,5-dimethylhexane yields a product with the formula C8H17Cl.
Suppose you have a 0.5M solution of dichloroacetic acid. Assuming a case Scenario, where H3O+ from water is neglected, determine the relative uncertainty, as a percentage, in the pH using the s
If the substance was a monophonic acid, what must be Kb for its conjugate base when a 0.0150 M solution of an unknown acid was diluted from the 10.0mL to 250.0mL? The pH of this diluted solution wa
Employ the Heisenberg uncertainty principle to determine the lowest possible momentum for the particle and compute the lowest possible energy for this particle in eV. Determine de Broglie’s wa
Initially at 373 K it undergoes JT expansion from the 100atm to 1 atm. Given that CP is 5/2R and the Joule Thompson Coefficient is 0.21 K/atm and that these are constant over the temperature range i
Sketch Boolean circuit that represents function in disjunctive normal form; it must match expression you gave in (a). Utilize the Karnaugh map to misimize function.
the work done by the pull on the crate from the rope? (v) Knowing that the crate is motionless before and after its displacement, utilize the answers to (ii), (iii) and (iv) to determine the work yo