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Calculate delta A of reaction and delta G of reaction for the reaction C6H6 (l) + 15/2 O2 (g) --> 6CO2 (g) + 3H2O (l) at 298 K from the combustion enthalpy of benzene and the entropies of the reactants and products.
Determine what mass of hydrogen is required to form 624g of methanol by the reaction CO+2H2->CH3OH.
Assume an organic compund has a partition coefficient between water and diethyl ether equal to 7.65. If there are initially 8.01 grams of the compound dissolved in 90.0mL of the water
Describe an expreiment to determine the molal freezing point depression constant
On the obtained mass-spectra you got in the expected parent-ion mass region two adjacent lines with almost the same abundance
Does the entropy of a system change when: a) a solid melts b) a gas liquefies c) a solid sublimes
what are the chemical shift,integration(#H),multiplicity,assignment and type of hydrogen in C8 H10 O and i have to identify the unknown. help please i have 4 signals
Calculate the mass in grams of copper initially present in the penny based on the concentration of copper in the sample, the total volume of the sample, the dilutions to the original stock, and the molar mass of copper.
Suppose you weigh out .556g of KHP and dissolve it in water. It requires 14.48 mL of NaOH to reach the endpoint. What is the concentration of the NaOH solution
An automobile antifreeze is made using equal volumes of ethylene glycol (d = 1.114 g/mL; MM = 62.07 g/mol) and water (d = 1.00 g/mL) at 25°C. The solution has a density of 1.06 g/mL. What is the molarity of ethylene glycol in the solution
Determine the change in Ssys for the process if specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Use a temp-composition diagram to explain why fractional distallation of 2 components is more easily accomplished if the components have boiling points
Treatment of either C or D with periodic acid yields the same dicarbonyl compound shown. Finally, treatment of A and B with methylmagnesium bromide followed by acidic workup yields two different compounds, E and F, which are also related by their ..
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