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The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?
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Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
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A2-kg bowling ball is 1 meter off the ground on a post when it falls. just before it reaches the ground, its traveling 4.4 m/s. assuming that there is no air resistant, which statement is true a. the initial potential energy is less then the final kinetic energy b. the mechanical energy is not conserved c. the mechanical energy is conserved d. the initial potential energy is greater than the final kinetic energy
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How many grams of nitric acid, HNO3, can be prepared from the reaction of 138.02 g of NO2 with 54.05...
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