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A 5.00 kg box is pulled by a rope with a force of 25.0 N. Determine the acceleration of the boxes
The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.
A ball is thrown from the edge of a cliff that is 10.0 meters high. The ball is thrown at 10.0 m/s at an angle of 45 degrees above the horizontal. Find the total time of flight
Two masses are connected by a cord passing over a pulley of radius R and moment of inertia I. Mass A slides on a frictionless surface, Derive a formula for the acceleration of the masses
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a dou
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentra
Find the moment of inertia of a uniform plate shaped like a quarter of a circle of radius R, made to rotate around the square corner (with the rotation axis perpendicular to the plate)
A bicycle with wheels 48 cm in radius travels down the street with an initial speed of 7.00 m/s. What is the initial angular velocity of the wheels
An iron ore was found to contain 92.0% pyrite (fool's gold). Pyrite has the formula FeS2and is 46.5% iron. How many grams of iron are there in 65.8 grams of iron ore
A stone thrown horizontally from a height of 5.87 m hits the ground at a distance of 13.90 m. Calculate the initial speed of the stone
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
One type of slingshot can be made from a length of rope and a leather pocket for holding the stone. Determine the angular speed of the stone at the moment of release
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
Two air-track gliders of eual mass are initially moving in the same direction along a straight line, what are the speeds and directions of the gliders after the collision
A light spring-gun projectile launcher is mounted on an .443 kg air track glider. find the speed of the air-track glider after the gun is fired
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78
A bird watcher meanders through the woods, walking 0.506 km due east, 0.736 km due south, Determine the magnitude (in kilometers) of the bird watcher's displacement
A piece of silver is dropped in a container of water, write net ionic equation
1.75 moles of an ideal gas, for which Cv,m =3R/2, initially at 32.0 C and 2.50*10^6 pa undergoes a two-stage transformation. For each of the following states described in the following list, calcula
A pump lifts 320kg of water per hour a height of 3.5m. find the minimum necessary power output rating of the water pump
A 3000kg rocket and its 500 kg payload are traveling at a speed of 2000m/s. what is the velocity of the payload after separation
A girl swings back and forth on a swing with ropes that are 4.00m long. The maximum height she reaches is 1.50m above the ground, What is the girl's maximum speed
A .14kg baseball with an initial speed of 28m/s rebounds with a speed of 34m/s after being struck with a bat. What was the average force between ball and bat
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon