Find the final temperature of the block and the water
a 125 g metal block at a temperature of 93.2 degrees Celsius was immersed in 100 g of water at 18.3 degrees celsius. Given the specific heat of metal (s= 0.900j/g x degrees celsius), find the final temperature of the block and the water.
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Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water?
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A sample of air from the basement of a home is found to contain 8.3 ppm of radon. What is the partial pressure of radon in the basement if the total pressure is 755 torr? A. B. C. D. E. 6.8 104 mol/L 5.2 104 mol/L 4.9 104 mol/L 3.8 104 mol/L 1.1 1
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You drop a 142-g piece of brass (density = 8.56g/cm3) into the water. To what height does the water risein the graduated cylinder?
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What is the cutoff temperature at which the reaction is spontaneous?
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