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A solenoid with 7 x 104 /m (turns per meter) runs through the x-y plane. Within the solenoid a charge of +3 coulombs with a mass of 4 grams is initially moving at 39 m/s in the +x direction. Due to the magnetic field created by the solenoid it orbits in a circle of radius 0.34 meters counter-clockwise. What's the amount, in amps, and direction of the current for the solenoid? If clockwise, input the current as negative.
the molecular weight of vincristine a pharmaceutical drug is 923.04. it is supplied in 1 mg per vial. you want to treat
how many grams of nickel would be electroplated by passing a constant current of 7.2 A through a solution of NiSO4 for 90 minutes.
Why do we discuss electrons in terms of the probability of finding them in an orbital instead of in terms of absolute locations. Why are there no 1p orbitals
Calculate the 95% Confidence interval is the measured standard deviation is not a good estimate of the population standard deviation.
Should the equivalent of .01M AgBr [Ksp=5x10^-13] dissolve in 6M NH3 [Kf for Ag(NH3)2+ = 1.7x10^7]. What is the minimum concentration of ammonia that should dissolve AgBr to produce a 0.01M Ag(NH3)2+ solution
Generate a titration curve. Presume that you have 100 ml of the ammonium hydroxide solution to start off with. What is the pH at the endpoint?
A 44 sample of water absorbs 329 of heat If the water was initially at 21.7, what is its final temperature.
A cereal product containing 55% water is made at the rate of 500 kg/hr. You need to dry the product so that it contains only 30% water. How much water has to be evaporated per hour
What is the half-life of a compound if 80. percent of a given sample of the compound decomposes in 72 min? Assume first-order kinetics.
Considering two samples containing N and O: Sample 1 has 1-826 grams of N and 4.173 grams of O. Sample 2 has 1.522 grams of N and 3.478 grams of O. Explaining how you arrive at your answer are the two samples the same compound or different compoun..
Choose the substance with the highest vapor pressure at a given temperature. sis2, bf3,rbcl, sbh3, ch3sch
If 69.5 kJ of heat is applied to a 1034 g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.
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