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An ice cube at 0.00 °C with a mass of 23.5 g is placed into 550.0 g of water, initially at 28.0 °C, in an insulated container. Assuming that no heat is lost to the surroundings, what is the temperature of the entire water sample after all of the ice has melted? Show all work for credit.
Calculate the CO3- concentration of a 5.45 x 10-4 M H2CO3 (carbonic acid) solution. Ka1 and Ka2 of carbonic acid are 4.3 x 10-7 and 4.8 x 10-11 respectively.
holds .35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure
HCl solution is added to 100. mL of buffer solution which is 0.10 M in NH3 and 0.1 M in Nh4Cl, what will be the pH of the new solution?
Write a 1- to 2-page formal letter or memo in which you communicate a negative message. You may select from one of the following scenarios:
what mass of Na2SO4 is needed to prepare 350. ml of a solution having a sodium ion concentration of 0.125 M.
a student makes 215 ml of a 3.15m solution of na2so4. he then forgets to seal it and some water evaporates overnight.
which mixture would not be expected to be homogeneous. pentanol and hexane, KBr and water, acetic acid and methanol, ethylene glycol and water, octane and heptane
have 2.50 ml of 4.00 M sugar solution. You add 217.3 ml of water to this solution. determine the concentration of the sugar solution after the water has been added.
How many grams of magnesium chloride must be dissolved in 568 g of water to give a solution that freezes at -2.38°C
Question- What would be the pH of a soda water made by saturating pure water with pure CO2 at 1 atm pressure
Estimate how much heat is required to melt a single snowflake using heat capacity relationships. Assume there are 500 water molecules in a snowflake.
Titrated three different samples of KHP and determined that the sodium hydroxide molarity was 0.1234 M, 0.1244 M, and 0.1199 M, respectively. Calculate the sample mean and the sample slandered deviation?
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