Problem related to zero-order reaction
A zero-order reaction has a constant rate of 3.40×10-4 . If after 45.0 seconds the concentration has dropped to 3.50×10-2 , what was the initial concentration?
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A manufacturer of rat poison in Texas proposes to build a circular lagoon to concentrate the arsenic in its rinse water by evaporation. The rinse water is produced at a rate of 10,000 gpd (gallons per day) and contains 2.5 mg/L of arsenic.
Determine the Kelvin temperature required for a 0.0470 mol of gas to fill a balloon to 1.20 L under 0.988 atm of pressure.
A beam of light strikes a sheet of glass at an angle of 57.0^circ with the normal in air. You observe that red light makes an angle of 38.1^circ with the normal in the glass, while violet light makes a 36.7^circ angle.What are the indexes of ref
The container is 28.3cm higher than the level in the arm open to the atmosphere, and the atmospheric pressure reading outside the apparatus is 1.021 atm?
A ball is thrown with a velocity of 25m/s at a building. The building is 20m high; the man throwing the ball is 40m from the front wall and is standing in depression so that the ball leaves at his hand at the same elevation as the base of the buildin
If a rod of brass 0.35 m long is heated from 150 to 850C while its ends are maintained rigid, determine the type and magnitude of stress that develops. Assume that at 150C the rod is stress free and the linear coefficient of thermal expansion
A cylindrical specimen of a brass alloy 10.0 mm (0.39 in.) in diameter and 120.0 mm (4.72 in.) long is pulled in tension with a force of 11,750N (2640 lbf); the force is subsequently released.
Assume that the primary HDLC station in normal response mode has sent six I-frames to a sencondary station. The primary's N(S) count was three (011 binary) prior to sending the six frames. If the poll bit is on the sixth frames, what will be t
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