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(a) If a 2.75 μC charged particle moving in the x-y plane experiences a net force of 4.35 x 10-3 N in the +x direction, what is the speed and direction of the charged particle? Include a diagram.
MgO reacts with water to form MG(OH)2. If 5g of MgO is combined with 100g water in a coffee cup calorimeter, the temperature of the resulting solution increases from 22.3 to 32.9C.
A dipole of moment 0.50 e · nm is placed in a uniform electric field with a magnitude of 1.3 x 105 N/C. What is the magnitude of the torque on the dipole for each of the following situations?
What is the vapor pressure over a 30 C water solution containing 652 gram of sucrose (C12H22O11) molecular weight is 342.297 g/mol per liter of solution? Assume the solution behaves ideally. The vap
An elevator car of mass 845 kg falls from rest 3.50 m, hits a buffer spring, and then travels an additional 0.390 m, as it compresses the spring by a maximum of 0.390 m. What is the force constant o
You wish to electroplate a metal utensil with a surface area of 736 cm2 with gold to give an average thickness of 0.025 mm over the entire surface.
What is the diameter of a weather balloon (in meters) filled with He at 15,000 m? On the ground the balloon was filled with He at 18 °C at 0.96 atm to a volume of 7.3 L. At 15,000 m the atmosphe
By how much does the ball clear or fall short of clearing the crossbar? (Enter a negative answer if it falls short.)
What would be the acceleration of an Atwood machine having a mass of 230g on one side and a mass of 237g on the other side. Neglect the masses of the masses of the pulley and the string.
Cyclohexanone, 2-heptanone, and 3-heptanone have C=O absorptions in the infrared spectrum at essentially identical positions. However, cyclopentanone absorbs at slightly different wavenumber range f
In scuba diving circles an 80 refers to a scuba tank that holds 80 cubic feet of air, a standard amount for recreational diving. Given that a scuba tank is a cylinder 2 feet long and half foot in di
he regenerated alumina contains 0.1% water by weight (dry basis). [Note that the water content is given at conditions that are different from the actual operation of the natural gas adsorption syste
What is the magnetic field (magnitude and direction) due to these currents at a point midway between the wires? Please show your work.
A sample of air contains 8.583 moles/m^3 of oxygen, and 16.40 moles/m^3 of nitrogen at STP (1 atm, 0 degrees Celcius). Determine the partial pressures of oxygen and nitrogen.
Assume that a vehicle traveling on a flat surface at 35 mph is able to stop in 80 feet. If you put that same vehicle on an upward slope of X degrees, what is the maximum speed it can travel (in mph)
A plastic bag is filled with helium at atmospheric pressure and 24.0 oC. Assume that the mass of the bag is negligible and take the temperature of the outside air to be 0 oC.
A person pulls a toboggan for a distance of 35.0m along the snow with a rope directed 25degree above the snow. the tension on the rope is 94N. a. how much work is done on the tobaggan by the tension
An aqueous solution containing 132mg of a particular protein in 72ml of solution has an osmotic pressure of 1.97 mbar at 25digee centigrade.
What percent of thermal energy transferred goes into increasing the internal energy of the system?
What is the rate of heat flow through a glass window pane .5 mm thick when the outside surface is -5 degrees celsius and the inside surface is 10 degrees celsius? The dimensions of the window are .7
How many milliliters of 1.60 M HCl would be required to produce this solution? Consider that the solution was made by combining the HCl, the HCOOH, and enough water to make 0.780 L of solution in mL
The surface area of a person is 1.9 m^2 and their core and skin temperatures are 37 degrees celsius and 31 degrees celsius, what are the rates of heat transfer through the skin for almost no blood f
A small Charged ball Hangs on a Thin insulating thread and executes small amplitude Harmonic oscillations with period T. If a large, grounded, metal plate is placed beneath this Pendulum would the p
Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.276 mol of maleic acid has a mass of 32.0 g, what are the empirical and molecular formulas of maleic acid?
The metabolic rate of a 50 kg. woman increases to 350 W while biking. a) If her body adjusts to lose heat at a rate of only 330 W, by how much will her core temperature increase in an hour.