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The warm source of a Carnot cycle consists of a blast furnace operating at a temperature of 150C, calculate the net heat absorbed from the warm source
From experimental data for rate of disappearance of CH3CHO, derive the rate law and the rate constant, k (with units).
Calculate the force exerted on a rocket, given that the propelling gases are expelled at a rate of 1400kg/s with a speed of 7.1×104m/s
What is the equilibrium partial pressure of Cl2 at 250 oC? What is the value of Kc at the same temperature?
the colors of the solutions are red, yellow, green, and blue. Further experiments reveal that two of teh complex ions are paramagnetic with four unpaired electrons and teh other two are diamagnetic.
express the velocity of the electron in the Bohr model for fundamental constants, the nuclear charge Z, and the quantum number n. Evaluate the velocity of an electron in the ground states of He+ ion
Calculate the ratio of the drag force on a jet flying at 1132 km/h at an altitude of 10.0 km to the drag force on a prop-driven transport flying at 547 km/h
Why does K + N2 yield no reaction. could some one please explain what factors contribute to no reaction
A 10.4 m long steel beam is accidentally dropped by a construction crane from a height of 8.67 m. What is the induced EMF in the beam just before impact with the Earth
The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W=59600 N. What is the magnitude of the lift force
Calculate the rotational inertia of a meter stick, with mass 0.64 kg, about an axis perpendicular to the stick and located at the 18 cm mark
the energy carried away by one mole of potassium is 295KJmol^-1. What is the wavelength of a single photon? What is the color of this light emitted
Consider the motion of a muon as it moves through the Earth's atmosphere. After a time ? = 2.20 e-6 s, it decays into other particles. What is the speed of the muon
How can you calculate the quantitative precipitation of barium in a solid mixture of sodium chloride and barium chloride
Critically evaluate the procedure used in this experiment as a quantitative technique for the analysis of copper (II) ion. Suggest sources of errors and ways of minimizing the error
A toroidal solenoid has a mean radius of 10.0cm and a cross-sectional area of 4.8cm2 and is wound uniformly with 115 turns. What is the mutual inductance of these coils
The diameter of a blood vessel narrows by 70% due to the presence of a plaque on the blood vessel walls. what is the systolic blood pressure in the narrowed vein (in mmHg)
a block on a frictionless horizontal surface is attached to a spring (k=30 N/m). the mass is displaced to the right of equilibrium and released from rest. calculate amplitude of oscillations
Using Ampère's law, calculate the magnetic field inside and outside of a toroidal coil with a radius of 25 cm
If the temperature outside is a freezing -15 (celsius), and as you drive at 60 km/h, you see a police car heading towards you, How fast is the police car traveling
A block of mass M is attached to a spring (spring constant k) which is attached to a wall. what is the amplitude of the resulting simple harmonic motion
What is the rms current in an RL circuit when a 60.0Hz 240V rms ac voltage is applied, where R = 1.80k? , and L = 420mH?, What is the phase angle between voltage and current
A non-uniform flask consists of a lower portion that is a circular cylinder 20 cm in radius and 20 cm high. The flask is filled with water. Calculate The total weight of the water in the flask
An aircraft with a mass of 956 kg accelerates from 0 to 92 m/s in 6.7 seconds, What is the kinetic energy of the aircraft when the aircraft launches
A 218.3 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. What is the velocity (speed) of the satellite