A car of mass 1430 kg traveling at 28 ms is at the foot of
A car of mass 1430 kg traveling at 28 m/s is at the foot of a hill that rises 105 m in 3 km. At the top of the hill, the speed of the car is 6 m/s. Find the average power delivered by the car's engine, neglecting any frictional losses.
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Nitrogen and hydrogen combine to form ammonia in the Haber process. Calculate (in kJ) the standard enthalpy change ?Hº for the reaction written below, using the bond energies given.
A dead battery of 10v has an internal resistance of 1 ohms and is connected in parallel with jumper cables to another car with a 12v battery with internal resistance of 0.01 ohms
Hydrochloric acid reacts with oxygen (O2) to form chlorine (Cl2) and water. Oxygen is fed in 25% excess, and it is fed as a stream of air rather than pure oxygen. The fractional conversion of HCl is 0.80.
A copper conductor has a dia of 0.06 in and it is 1200ft long. Assume that the current total (dc) carried is 50A. Find the total resistance of the conductor. What current density exists in it What is the dc voltage between the conductor ends
A car of mass 1430 kg traveling at 28 m/s is at the foot of a hill that rises 105 m in 3 km. Find the average power delivered by the car's engine
The progression of morality (influences of family, religion, and society) as we have seen in Asia, Africa, and the Americas. Cite examples of ways in which we may find influences of these values in contemporary society.
Are the following global industries or multidomestic industries: bulk chemicals, pharmaceuticals, branded food products, moviemaking, television manufacture, personal computers, airline travel?
How many kilocalories are required to produce 1.39 mol of aluminum? 2Al2O3 yields 4Al+3O2; (delta) H = +801(kcal/mol (+3350 kJ/mol )
n = 2.90 mol of Hydrogen gas is initially at T = 370 K temperature and pi = 2.27×105 Pa pressure. What would be the temperature of the gas, if the gas was allowed to adiabatically expand back to its original pressure
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