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Soggy french fries drenched in Vinegar, which is a 0.83M solution of acetic acid. If the acetic acid in vinegar is 0.47% dissociated, calculate Ka for acid. What is the pH of this solution
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
The reactions occur in acidic solution. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) (a) MnO4- + H2SO3 ? Mn2+ + SO42-
Determine the volume of the sample. (b) Plot the data. Now suppose you add another 5.00 mol of gas molecules into the same volume.
Which instrument can be used to determine the total calcium in a small blood sample.suggest a second method suitable for determine the free calcium ions on a similar sample of bood.
How much aspirin can be made from 100.0 g of salicylic acid and 100 g of acetic anhydride? If 122 g of aspirin were obtained by the reaction, what is the percent yield?
List the letter that corresponds to the reagent from the reagent table you need to carry out the following synthesis in 5 steps or less. Heat may not appear on the reagent table with the reagent
What is the freezing point of a solution of 224 g of ethylene glycol (C2H6O2) dissolved in 1000 g of water?
A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C.
The reaction takes place in a bomb calorimeter where 4.50g of glucose are burned. What is the heat capacity of the bomb if the temp. of the water in the bomb increases from 22.75 degrees Celsius to 25.32 degrees Celsius? I used qrxn = -Ccal*change..
Calculate the average kinetic energies of the CH4 and N2 molecules at 286 K and 556 K?
Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction for the reaction of chlorine with ozone.
What is the volume occupied by 25.0 gm of Ar (g) at a temperature of 301K and pressure of 1.30atm.
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