How many electrons pass through the lightbulb
The electric current in the lightbulb of a flashlight is 0.50 A. How much electric charge flows through the lightbulb in one hour? How many electrons pass through the lightbulb.
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If there is an 7.0 km/h ocean current running in a direction 20 N of E, what is the velocity of the ship with respect to the land?
Determine: 1) The Heat rejection in kJ. 2) the net work in kJ. 3) the thermal efficiency 4) the mean effective pressure in kPa.
A solution is made by replacing solid calcium flouride into pure water. The calcium ion concentration in this solution was found to be 1.1x10^-6 M, what would the numerical value for Ksp be for calcium flouride?
A point charge, q, of magnitude 1x10^-6 Coul, is place a distance a = 10cm from a neutral conducting sphere of raduis R = 5cm. a. What is the net force on the point charge?
35 mg of benzoic acid is dissolved in 10 ml of water. this aqueous solution is then extracted with 5 ml of dichloromethane. it is determined that the water layer now only contains 4 mg of benzoic acid.
What is the highest expected value? Assume that the probability of S2 is equal to 0.4.
Estimate the vehicle's fuel economy rating in the units of miles per gallon. The engine has an efficiency of 10%-15% and the Gas has a Density of 680 kg/m^3.
A soulution is 0.0010M in each cations, Ag+,Hg2+2, and Pb+2. The Ksp valuesfor AgCl,Hg2Cl, and PbCl2 are1.8x10-10, 1.2x10-18, and1.7x10-5. Calculate the concentration of Cl-needed to begin the precipitation of each cation.
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