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?
Calculate the expected change in temperature for 4.5 g of NH4NO3 dissolved in 100.0 mL of H2O. Assume that the calorimeter absorbs no heat.
A compound contains 10.13g of C and 89.87g of Cl. Determine both the empirical and molecular formulas of the compound given that the molar mass for the molecular formula is 237g/mol.
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
You are to submit a detailed plan covering your operations both nationally and internationally in addition to the conduct of its employees, vendors, board of directors, and its business operations overall.
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?
How much energy would be absorbed as heat by 75 g of iron when heated from 295 K to 301 K? (Cp for iron= 0.449 J/g*C)
What is the cutoff temperature at which the reaction is spontaneous?
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