Discuss the heat released per gram of the compound reacted
Benzene (C6H6) burns in air to producecarbon dioxide and liquid water. Calculate the heat released (inkilojoules) per gram of the compound reacted with oxygen. The standard enthalpy of formation of benzene is 49.04 kJ/mol.
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A 25.0-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 77.5 N and is directed at an angle of 30.0° above the horizontal. Determine the coefficient of kinetic friction.
A dr. has performed 4 heart transplants, and 2 of the patients survived for more than 5 years. She thinks that the probability of a patient surviving for 5 years or more is .2.
Estimate the strain energy per unit volume. Assuming the shear modulus of Fe is 86 GPa and the Burgers vector is 0.248 nm.
Traveling at a speed of 17.9 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.800. What is the speed of the automobile after 2.10 s have e
Benzene (C6H6) burns in air to producecarbon dioxide and liquid water. Calculate the heat released (inkilojoules) per gram of the compound reacted with oxygen.
Three forces act on a moving object. One force has a magnitude of 86.0 N and is directed due north. Another has a magnitude of 61.0 N and is directed due west. What must be the magnitude and direction of the third force, such that the object conti
Calculate the solubility of carbon dioxide in g/L at 20C in a closed container of water if the partial pressure of CO2(g) is 3.6atm. Henry's constant is 0.023 mol/L atm for Co2(g) at 20C.
A worker stands still on a roof sloped at an angle of 34.3° above the horizontal. He is prevented from slipping by a static frictional force of 415 N. Find the mass of the worker.
A 1543-kg submarine rises straight up toward the surface. Seawater exerts both an upward buoyant force of 14,687 N on the submarine and a downward resistive force of 1007 N. What is the submarine's acceleration?
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