Pressure of the water when the pipe narrows
A horizontal pipe contains water at a pressure of 124 kPa flowing with a speed of 2.4 m/s. The pipe narrows to one-half its original diameter. What are the speed and the pressure of the water when the pipe narrows?
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A galvanic cell consists of an Ag electrode in a 1.0 M AgNO3 solution and a Ni electrode in a 1.0 M Ni(NO3)2 solution. Calculate the standard emf of this electrochemical cell at 25ºC. (Use Table 17.1 in your textbook.)
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Suppose you wish to measure the mass of a planet. To do so, you place a test mass in orbit around the planet at a distance of 6.6e+8 meters from the center of the planet.
Assuming the solution has a heat capacity of 4.18 J/°C · g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
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what volume of carbon dioxide at 22 degrees celsius and 781 mmHg could be absorbed by 327 grams of LiOH?
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Show it in my post "Discussion Question: "In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive beh
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