What was the pressure of the hydrogen gas
Hydrogen gas was collected over water in a eudiometer at 26 degrees c when the atmospheric pressure was 726 mm hg. What was the pressure of the hydrogen gas?
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A 50.0 g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 16.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.00 ms, what is the magnitude of the average acceleration of the ball
A volume of 75.0 mL of rm H_2O is initially at room temperature (22.0rm{}~^{circ}C). A chilled steel rod at 2.00rm~^{circ}C is placed in the water. If the final temperature of the system is 21.5~^{circ}C, what is the mass of the steel bar?
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At 427 °C the value of Kp for the equilibrium represented by the balanced equation is 5.88 x 10-4. Calculate the value of Kc at the same temperature. Express answer in scientific notation.
Calculate the rate at which sulfur dioxide is being produced. Give your answer in kilograms per second. Round your answer to 2 significant digits.
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Write a letter to the editor on land pollution that threatens the health of individuals living in Guyana, and clearly define the problem.
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