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Use the folowing data to calculate (a) the molar concentration of B in (i) water, (ii) benzene, (b) the molality of B in (i) water, (ii) benzene.
Mass of B used to make up 100 cubic cm of solution: 2.11 gMolar mass of B: 234.01 g mol^-1Density of solution in water: 1.01 g cm^-3Density of Solution in benzene: 0.881 g cm^-3
The temperature in the freezer compartment of a household refrigerator is kept at 0 F. On a summer day the ambient temperature is 92 F. The effective performance factor for the refrigerator (qc/w where qc is the heat removed from the frozen food c..
What is the balanced education and stoichiometric reagents needed with mole calculations of 1 sodium hydroxide pellet(0.075 to 0.095 g) and 0.24 g acetophenone and 0.11 g benzaldehyde
The equilibrium constant willYet another reaction has an equilibrium constant at 25 . It is an exothermic reaction, giving off quite a bit of heat while the reaction proceeds. If the temperature is raised to 200 , what will happen to the equilibri..
Write the correct equation for the reaction resulting from the mixture of 0.01 mols pure sulfuric acid with 0.01 mols sodium cyanide forming a crystalline solid among the products
the solubility of n2 in blood at 37 oc and at a partial pressure of 0.80 atm is 5.6 x 10-4 moll. a deep-sea diver
Is the reaction of iodoethane with sodium saccharin a SN1 or SN2 reaction. Explain why
Which of the following addition will result in no change in the pH of the solution a. Adding ammonium nitrate to an ammonia solution.
For an elderly patient with impaired renal function, the dose is reduced to 250 mg every 6 hours. Calculate the reduction in the daily dose, in milligrams.
An El Paso FM radio station broadcasts classic rock at a frequency of 95.5 MHz. Find the wavelength in nm of these radio waves.
Calculate the entropy change resulting from an increase in temperature from 285 K to 350 K of H2O2 given Cp = A + BT + CT^2 Where A=34.25, B = 55.18 and C = -35.15.
The freezing point change is ?1.9°C. a) Calculate the number of moles of solute in the solution. b) Calculate the molar mass of the solute.
if i have 0.621 mole of potassium chlorate that decomposes by heat, what is the amount of the oxygen in moles?
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