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A 10.4-g sample of CaCl2 is dissolved in 118 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C · g.
Orange juice can be modeled crudely as a misture of 8 g/L of citric acid (formally, 2-hydroxy-1,2,3-pro-panetircarboxylic acid; C6H8O7) and 1.6 g/L potassium ion. Find the equilibrium pH of orange juice
Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
The heated iron metal is poured in to a calorimeter with 100 ml of water at room temperature and the calorimeter is closed. The recorded temperature of the calorimeter is 28 degrees C.
A 25.95 -g sample of methanol at 35.6°C is added to a 38.65-g sample of ethanol at 24.7°C in a constant pressure calorimeter. If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determi..
What is the pH of the solution halfway to the equivalence point. What is the pH of the solution at the equivalence point
calculate the equilibrium pressure of N2O4(g) and NO2(g). (c) What percentage (by moles) of the original N2O4(g) is dissociated at the new equilibrium position (total pressure = 1.00 atm)?
what is the pressure in a gas containter that is connected to an open-end manometer if the pressure of the atmosphere is 722 torr and the level of mercury in the connected to the container is 8.60cm
How many moles of CS_2 are produced if 6.85 mol C and 2.95 mol SO_2 are reacted together
A 16.96 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 16.58 grams of CO2 and 3.394 grams of H2O are produced.
a sample of SO2 gas which weighs 0.81 grams has a volume of 1.20 liters when collected at 25 degrees celcius, what would be the pressure of the gas sample?
A piece of metal with a mass of 151 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
We place the 2.00M HCl into the buret tube. Next we place 30.0 mL of the KOH unknown Molarity solution into a small flask and add some phenolphthalein indicator turning the solution an intense pink color. When we titrate exactly 32.0 mL of the 2.0..
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