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An MRI scanner uses a large solenoid with inductance 0.53 H, carrying 2.4 kA of current.
(a) What's the energy stored in the solenoid?
(b) The solenoid coils are normally superconducting (zero resistance), but if superconductivity fails they revert to a resistance of 0.31 mOhms.
(b) Given that the current can't change instantaneously, find the power dissipation in the solenoid immediately after a sudden loss of superconductivity.
a gas is enclosed in a cylinder fitted with a piston. the volume of the gas is 2.00 l at 1.00 atm pressure. the piston
Determine the end (final) value of n in a hydrogen atom transition, if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10-18 J.
Without using equations, explain why Delta S for a liquid or solid is dominated by the temperature dependence of S as both P and T change.
The volume of a manifold used to transfer gases is calibrated using Boyle's Law. A 0.251-dm3 flask at pressure of 697 Torr is attached and after system pumpdown,
What is the solubility of MnS in grams per liter, in a buffer solution that is 0.105M CH3COOH - 0.505M NaCH3COO? For MnS, Kspa=3*10^7.
Explain why do we need potassium carbonate before distillation? I did an ethanol from sucrose lab as well as the TA had to put potassium carbonate in the mixture before we utilized fractional distillation to separate the 3 liquids
Write a balanced chemical reaction (using structural formulas) that describes a NAS reaction between benzyl alcohol and propanoic anhydride.
Would you expect silver nitrate to react with sodium chloride? Why or why not? Write the net ionic equation. And why do double replacement reactions in aqueous solutions occur faster than single replacement reactions between a solid and a solution..
find the volume of a molar solution.what volume of a 2.00 molar solution of sulfuric acid h2so4 is required to react
A sample of solid ammonium sulfide (NH4)2S is placed in a closed bulb which is then filled with 0.0150 mol of inert HE gas. The pressure of the He at 25 degrees Celsius is 145 mmHg.
Problem- The lattice energy of rubidium chloride is the energy change accompanying the process- Rb+(g)+ Cl-(g)-->RbCl(s). Calculate the lattice energy of RbCl using Hess Law and the following data-
Calculate the pH of a solution prepared by mixing 50mL of a 0.10 M CH3NH2 solution with 25mL of a .20M HCl solution. (Kb CH3NH2 = 4.4 x 10^-4)
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