How much work is done by the system
How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 3.5 liters against a constant external pressure of 0.0100atm? Answer in units of J.
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A chemist wanted to determine the concentration of a solution of lactic acid, HC3H5O3. She found that the pH of the solution was 2.59. What was the concentration of the solution?
Consider a local concentration of 106 units per cm3 which drops by 10% over a distance of 1 cm. Then the gradient is -105 [units cm-4]. Assume the diffusivity is 103 [cm2/s]. Calculate the flux.
A cook wants to heat 2.00 of water from 35.0 to 100.0 .If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn? Natural gas produces 49.3 of heat per gram. (For the sake of simpl
Find maximum and minimum frequencies of sound detected by the detector, if vibration frequency of each block is 3.5Hz.(sound velocity is 330m/s).
Two air carts of mass = 0.80 and = 0.44 are placed on a frictionless track. Cart 1 is at rest initially, and has a spring bumper with a force constant of 690 . Cart 2 has a flat metal surface for a bumper, and moves toward the bumper of the statio
Describe the economic resurgence following World War II and economic growth of the 1950s and early 1960s. How do culture, society, and economy combine for change?
Calculate the average speed of an oxygen gas molecule,o2 , at 25.0.
Suppose you are approached by an interested investor to buy your business. Do you know how to value your business to be able to respond?
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What type of pneumonia is Mr. Peterson most likely experiencing? What were mostly likely the patient predisposing risk factor (s) for developing pneumonia?
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