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Hydrogen sulphide decomposes according to the following reaction, for which, Kc=9.30 x 10^-8 at 700 degrees C.
2H2S (g)----->2H2(g) + S2 (g)
If 0.59 mol of H2S is placed in a 3.0 L container, what is the equilibrium concentration of H2 (g) at 700 degrees C?
Two capacitors, C1 = 25 µF and C2 = 4.0 µF, are connected in parallel and charged with a 110 V power supply. Calculate the total energy stored in two capacitors
A 200 kg body is pulled up an inclined plane 15 m long and 5 m high. The force required to pull the body up the plane at a slow uniform speed is 976 N. compute the ideal mechanical advantage, the actual mechanical advantage and the efficiency of t..
A 65.0 kg skier initially at rest begins to slide down at a 10.0 degree slope. how fast will the skier be going a the end of the hill
Light of a wavelength 450 nm is incident on a sodium emitter in a photoelectric effect apparatus. What is the cutoff frequency for the emitter
A sound wave with intensity 20 mW/m2 interferes destructively with a sound wave that has an intensity of 4 mW/m2. What is the intensity of the superposition of the two
A person with a nearsighted eye has near and far points of 20 cm and 26 cm, respectively. Assuming a lens is placed 1.4 cm from the eye, what power must the lens have to correct this condition? If I have found this answer to be -4.065 diopter, what w..
You are designing a delivery ramp for crates containing exercise equipment. Calculate the maximum force constant of the spring that can be used in order to meet the design criteria
When the distance is 0.20m the tension is 628 N, horizontal pivot force is 581 N and the vertical pivot force is 839N. What is the mass of the bell
A 38.8-cm diameter disk rotates with a constant angular acceleration of 2.60 rad/s2. It starts from rest at t = 0, and the line drawn from the center of the disk to the point P on the rim of the disk makes an angle of 57.3° with the positive x-axis a..
A resistor with R = 1.5 k? is connected to an AC generator that operates at 60 Hz with an amplitude of 49 V. (a) Find the amplitude of the current through the resistor.
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is ?s = 1.79. what is the maximum speed at which the car can turn without sliding
how long would it take a car to return to its starting place if it traveled 180 ms average speed of 90 kmhr and
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