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Petane and 1-butanol are organic liquids with similar molecular masses but sunstantially different solubility behavior. Which of the two would you expect to be more soluble in water? (explain briefly)
How many grams of O2 are needed to react with 18.5 grams of Mg? 2 Mg(s) + O2(g) → 2 MgO(s)
The density of solid Fe is 7.87 g/cm3. How many atoms are present per cubic centimeter of Fe. As a solid, Fe adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Fe
Write equations for the mechanistic steps in the dehydration of cyclohexanol assuming an E1 mechanism.
What is the molar mass of a nonelectrolyte compound if 3.42 grams of the compound dissolved in 41.8 grams benzene begins to freeze
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [PCl5]eq = 0.56 M, [PCl3]eq = 0.23 M, [Cl2]eq = 4.4 M. PCl5(g) PCl3(g) + Cl2(g)
Carbonyl fluoride, , is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, via the reaction
A gas expands and does P-V work on the surroundings equal to 321 J. At the same time, it absorbs 189 J of heat from the surroundings. Calculate the change in energy of the gas in J.
What the Ideal and Van der Waals Pressure of ethane gas at temperature of 500K and Molar Volume of 7.28 x 10^-5 m^3/mol?
A. Write a net ionic equation . B- for the reaction in part a, write the equilibrium constant from a consideration of Kb and Kw. C- calculate the h3o^+ for a 0.45 M nh4cl solution . D- calculate the percent of hydrolysis of 0.45 M NH4Cl.
The boiling point of another member of this homologous series was found to be 309 rm K. What is the likely molecular formula for this compound?
Use the Henderson Hasselbalch Equation to calculate the pH after the addition of 0.10 M NaOH to this solution, assuming no change in volume?
Vitamin B12, also known as cobalamin, has the molecular formula C63H88N14PO14Co. What mass of CO2 and H20 would be produced during the combustion analysis
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