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Ocean water typically contains approximately 35 moles of salt ions dissolved in each 1000 moles of water. Assuming that ocean water has the same density as pure water, use this ratio to determine the molarity of the solution and then calculate the osmotic pressure between ocean water and pure water at 25 C.
Which of the folowing statements relative to IUPAC nomenclature for alkenes and cycloalkenes is INCORRECT. a.the position of a double bond in a parent chain is given by a single number.
Changing reaction buffer to an extremly high ph with addition of sodium carbonate is said to stop the reaction. what two things are happening in the test tube upon addition of this caustic chemical
A weak acid (HA) has a pKa of 4.015. If a solution of this acid has a pH of 4.443, explain what percentage of the acid is not ionized. Presume all H in solution came from the ionization of HA.
A 0.831-g sample of SO3 is placed in a 1.00-L container and heated to 1100 K. The SO3 decomposes to SO2 and O2: 2SO3(g) 2SO2(g) + O2(g). At equilibrium the total pressure in the container is 1.300 atm. Calculate Kp for the above reaction at 1100..
Calculate the pH when 16.00 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution.
What ions and/or molecules are present in relatively large proportions in a solution of the soluble ionic compound KCl (aq)?
a mixture of potassium chloride and potassium bromide weighing 3.595 g was heated with chlorine which converted the
determined its current level of YAN to be 120 ppm N. If each gram of DAP adds 0.21 gram of N to the must, how much DAP is needed?
A certain amount of glucose, C6H12O6 burned in oxygen, and produced 22 grams of carbon dioxide, CO2. How many grams of water was produced at the same time?
A table wine has a pH of 3.40. What is the hydronium ion concentration of the wine. Is it acidic or basic.
A sample of 54.7 g of HCl gas is dissolved to make 1L of solution. What is the molarity of the solution?
What is the energy in joules released by the fission of a single uranium-235 atom?
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