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A metal sample weighing 34.526 g was heated to 98.0 C then quickly transferred into Styrofoam cup calorimeter containing 74.365 g of distilled water at a temperature of 27 C. The temperature of the water in the cup increased and stabilized at 29 C.
1. What is the final temperature of both the water and the metal?2. Calculate the change in temperature of the water in the calorimeter.3. Calculate the change in temperature of the metal.4. Calculate the heat gained by the water.5. What is the heat lost by the metal sample?6. Calculate the specific heat of the metal? 7 What is the metal?
If 1.500 g of a solute having a molar mass of 125.0 g were dissolved in 35.00g of camphor, what would be the resulting freezing point of the solution.
Write the formulas of all possible monobromination products when cyclopentane is exposed to Br2 in presence of light, rection occurs.
A gas sample has an original volume of 700 ml when collected at 750 mm and 25°C. What will be the volume of the gas sample if the pressure increases to 810 mm and the temperature increases to 30°C?
514 mL of sulfuric acid is exactly neutralized with 453 mL 0.180 M lithium hydroxide solution. What is the concentration of the acid solution?
What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V
only hydrogen gas would be left as a product b. the equilibrium would shift to the left c. the equilibrium would shift to the right d. the equilibrium would remain unchanged
How many mL of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 mL of ethanol? The Molar Mass of ethanol is 46.07g/mol.
A fluoridated water supply contains F- at a concentration of 8.9 ppm. What is the maximum concentration of Mg2+ that can exist in this water supply without causing precipitation.
At 700 K the equilibrium constant for the reaction is Kp = 0.76. CCl4(g)-> C(s) + 2 Cl2(g) A flask is charged with 2.00 atm of CCl4, which then reaches equilibrium at 700 K. (a) What fraction of the CCl4 is converted into C and Cl2?
A solution is prepared by dissolving 55.1 g of KCl in approximately 75 mL of water and then adding water to a final volume of 125 mL. What is the molarity of KCl(aq) in this solution?
When 2-methylpropene is treated with sulfuric acid the resulting mixture can be used to convert benzene to tert-butylbenzene
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
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