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1. Explain what solvent would you se to measure the density of lauric acid?
2. A liquid unknown was found to be insoluble in water and soluble in cyclohexne and alcohol, the unknown was found to have a boiling point of 145oC at 658 mmHg . Explain what is the substance? Explain what could you do to confirm your answer?
Two types of electrochemical cells which are based on thermodynamic principles can be described. Which of the following statements about these cells is correct
calculate the vapor pressure of a solution of glycerol of 265ml in 3.80x10^2ml of H2O at the normal boiling point of H2O
A beaker with 160 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 6.40 mL of a 0.400 it M HCl solution to the beaker. How much will the..
Calculate the potential developed by a voltaic cell using the following reaction if all dissolved species are 0.025 M: 2 Fe2+ (aq) + H2O2 (aq) + 2 H+ (aq) ? 2 Fe3+ (aq) + 2 H2O (l)
The hydrogen gas formed in a chemical reaction is collected over water at 30 at a total pressure of 737. What is the partial pressure of the hydrogen gas collected in this way
a piece of iron with a mass of 350g at 300 C is added to 1.00kg of water at 20 C. what is the final temperature of the iron
Calculate the molar concentration of an aqueous solution containing 10.25 g of calcium nitrate in 850.mL.
Calculate the vibrational partition function of CS2 at 500K given the wavelength 558 cm-1 (symmetric stretch), 397 cm-1 (bend; two modes), and 2097 cm-1 (asymmetric stretch)
calculate the ksp of lead iodide from the following standard electrode potentials at 25 c oxidative -.126 redox
What constant current (in amperes) is required to produce aluminum by the Hall-Heroult
RbNO3 Express your answers as ions separated by a comma. If the compound is not soluble, enter noreaction
Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at -14.5 C?
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