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A positive and negative charge, each with 3x10^-6C charge are separated by a distance of 4mm. Find the size of the force acting on each charge. a. what would be the size of the force if the distance
A particle of ink in an ink-jet printer carries a charge of -8X10^-13 C and is deflected onto paper with a force of 3.2X10^-4 N. Find the strength of the electric field.
If your 10 ml water sample requires 15.1 ml of 0.00282M silver nitrate to reach the orange endpont, what is the ppm of chloride in your sample? given for this particular batch of 0.008282M sil
Consider three identical resistors, each of resistance R. The maximum power each can dissipate is P. Two of the resistors are connected in series, and a third is connected in parallel with these two
A 600-MW steam power plant, which is cooled by a nearby river, has a thermal efficiency of 40 percent. Determine the rate of heat transfer to the river water. Will the actual heat transfer rate be h
A sample of an ionic compound NaA, where A- is the anion of aweak acid, was dissolved in enough water to make 100.0 mL of solution and was then titrated with0.100 M HCl.
Two resistors of 5.0 and 9.0Ω are connected in parallel. A 4.0Ω resistor is then connected in series with the parallel combination. A 6.0 V battery is then connected to the series-parall
A 6,000-lb vehicle is 20ft. from one end of a 60-ft bridge. A 3,000-lb vehicle is 40ft from the same end of the bridge. How much weight must each end of the bridge support.
What is the boiling point of the water in your radiator if 2.00 kg of antifreeze (ethylene, glycol C2H6O2) is added to 9.0*10^3 grams of water?
We place a pot of 200 grams of water over a flame. the waterin the pot increases in temperature from 20 degrees celcius to 25degrees celcius. how much heat in joules is absorbed? how much heat in jo
A piece of material weighs 2.50 grams in air, 1.50 grams in water, and 0.70 grams in sulphuric acid. What is the density of the acid? Assume the density of water is 1000 kg/m3.
A 60 kg rectangular box, open at the top, has a base dimensions 1.0 m by 0.80 m and depth 0.50 m. a) How deep will it sink in fresh water? Assume the density of water is 1000 kg/m3.
As sodium chloride solution is added to a solution of silvernitrate, a white precipitate forms.Ammonia is added to the mixture and the precipitate dissolves.
When a crown of mass 14.7 kg is submerged in water, an accurate scale reads only 13.4 kg. What material is the crown made of?
Write the mechanismfor the reaction of the elimination reaction of1-(1-chloropropyl)-2-methylcyclopentane with H2O andprovide the final major product.
Jill of the Jungle swings on a vine 5.9 m long. What is the tension in the vine if Jill, whose mass is 61 kg, is moving at 2.5 m/s when the vine is vertical?
What would the 2.26 kg bag of sugar from the previous problem weigh on Jupiter, where the acceleration due to gravity is 2.64times that on Earth?
The magnitude of the external magnetic field is changing at a rate of delta(B)/delta(t) = 0.870 T/s, thereby inducing a current in the coil. Find the magnitude of the magnetic field at the center of
Calculate the expected change in temperature for 3.5 g ofNH4NO3 dissolved in 100.0 mL ofH2O. Assume that the calorimeter absorbs no heat.(ie Ccal=0)(Remember to use dimensional analysis)
Many cigarette lighters contain liquid butane,C4H10(l). Using standard enthalpies of formation, calculate the quantity of heat produced when3.3 g of butane is completely combusted in air under stan
A compound is 10.2% C4 (by mass). Theother 89.8% is Cl. When 23.6 of it is dissolved in 500g of camphor,the freezing point is depressed from 179.8oC to171.8oC.
A 0.45 M solution of pentanoic acid (CH3CH2CH2CH2COOH) is found tohave a pH of 3.73 at 298K. What is the value of the acid dissociation constant Ka for this monoprotic acid?
If the wire is heated to 30.0°C, while the 10.0 V potential difference is maintained, what is the resulting current in the wire?
A satellite is placed in orbit 5.10 x 105 m above the surface of the planet Jupiter. Jupiter has a mass of 1.90 x 1027 kg and a radius of 7.14 x 107 m. Find the orbital speed of the satellite.
A 31.15 ml aliquot of H2SO4 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 ml of the base to reach the endpoint of the titration. What is the concentration (M)of th