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A long straight wire runs in the +y or -y direction on the y axis. In the x-y plane, there is a wire wound 10 times with a radius of 0.6 meters with a current. The center of the wire is located at x = +2.0 m, y = +0.9 m and it's magnetic moment is 2.2 A m2 in the +z direction. If the total magnetic field due to the wire on the y axis and the circular wire is 4 x 10-7 T in the -z direction at the center of the circular wire, what is the amount, in amps, and the direction of the current on y axis? If in -y direction, indicate so with a negative sign.
A student weighs out 0.675g of KHP (molar mass = 204 g/mol) and titrates to the equivalence point with 36.78 mL of a stock NaOH solution. What is the concentration of the stock NaOH solution? KHP is an acid with one acidic proton.
Problem- When hydrogen behaves as an ideal gas and its temperature increases from 250K to 550K, its enthalpy increases by more than 10kJ/mol
Classify each of the following as ionic or covalent compounds and Draw Lewis structures
For the reaction of the ammonium ion with nitrous acid, the net reaction is NH4 (aq) + HNO2(aq) yields N2(g) + 2H2O (l) + H (aq) If the initial concentration of nitrous acid is 1.00 M and after 48.1 s has elapsed, the concentration of nitrous acid..
A flask is filled with vapor by boiling a volatile unknown liquid in the flask. As it boils away, the vapor of the unknown pushes the air out of the flask through a tiny pinhole opening and eventually the flask is filled with an atmosphere compose..
The equilibrium constant, Ka, for a given acid is very large. When this acid is placed in water, we can say that _____. a. its ionization equilibrium lies far to the left
Rank the fluorine species from most to least stable. To rank items as equivalent, overlap them.
The actual yield was 6.15 g of CaCO3. Calculate the limiting reagent and the percent yield. Explain and show all work in how you obtain your answer
calculate the number of moles of potassium which combine with bromine to form KBr.
Write a conversion factor that could be used to convert between moles of potassium hydroxide and moles of potassium chlorate
In a titration reaction 25cm3 of 0.1M HCl neutralized 20 cm3 of NaOH. Calculate the concentration of the alkali in moles per litre.
What is the volume occupied by 0.118 mol of helium gas at a pressure of .97 atm and a temperature of 305k?
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