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If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
A 60.0 gram golf ball is dropped from a height of 2.00 meters. how much energy did the ball lose
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
All solutions to the differential equation y'-2y=0 should also be solutions to the differential equation y''-ay'+ay=0. Determine the constant a such that this is true.
One solenoid is centered inside another. The outer one has a length of 54.0 cm and contains 6800 coils, What is the mutual inductance of these solenoids
Stearic acid has a freezing point of 71.20 C and a Kf of 4.890C/m. A 400.0 g quantity of stearic acid to which 50.0 g of an unknown is added has a freezing point of 68.00C. Calculate the molar mass
A skater with an initial speed of 7.10 m/s stops propelling himself and begins to coast across the ice, eventually coming to rest. How far will the skater travel before coming to rest
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
Suppose that the distance between London and Edinburgh is 360 miles and that a courier for London sets out from the Scottish city running at 10 mph at the same time that one sets out from the Englis
A solenoid of length 4.48 cm and diameter 0.785 cm is wound with 160 turns per cm. what is the induced emf in one of the windings
An acid solution is 5.00% HCl by mass. Assuming that the density of the solution is 1.0 g/mL, find the molarity of the hydrogen ion in the solution. The molar mass of HCl is 36.5 g/mol
A 352-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. Find the magnitude of the motorcycle's acceleration
The drawing shows a circus clown who weighs 950 N. What is the minimum pulling force that the clown must exert to yank his feet out from under himself
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. NaHSO3(aq)+HI(aq)
Explain how to find the perfect square of 329476 without using a calculator, step by step.
The steel I-beam in the drawing has a weight of 8.39 × 103 N, What is the tension in each cable attached to its ends
A 7.11-kg box is sliding across the horizontal floor of an elevator. find the kinetic frictional force that acts on the box
A 70-kg bicyclist coasts down a hill that makes a 10degree angle with the horizontal at a speed of 10 m/s. how fast can he go up the hill
A car (m = 1510 kg) is parked on a road that rises 18° above the horizontal. find the static frictional force that the ground exerts on the tire
The major product of the reaction is 2-ethoxy-2,3-dimethylbutane. In addition, 2,3-dimethyl-2-butene, 2,3-dimethyl-1-butene, and 3,3-dimethyl-1-butene are produced as minor products. Suggest a mech
A woman stands on a scale in a moving elevator. Her mass is 69.0 kg, and the combined mass of the elevator, What does the scale read (in N) during the acceleration
If the heat of combustion for a specific compound is -1100.0 kJ/mol and its molar mass is 75.49 g/mol, how many grams of this compound must you burn to release 390.70 kJ of heat
A 31.0-kg crate rests on a horizontal floor, and a 72.5-kg person is standing on the crate. Determine the magnitude of the normal force that the crate exerts on the person