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The density of a given solid and liquid of molar mass 147.2 g/mol at its normal melting temperature of 372.54 K are 992.6 Kg m-3 and 933.4 Kg m-3, respectively. If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K. Calculate ?Ho fusion and ?So fusion for this substance
When 0.0500 mol of HCl is reacted with 0.0500 mol of NaOH in 50.0 mL of water, the temperature of the water increases by 13.7°C. Calculate the heat of the reaction for the following thermochemical equation
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of ?H and ?S are independent of temperature.
A sample of an unknown gas effuses in 11.3 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.72 min. What is the molar mass of the unknown gas
Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells' abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis.
Give the quantitative species inventory for the system which ultimately results from mixing 2.55mols Cl2, 1.20mols Br2, 1.25mols I2,
Draw a titration curve for both of these peptides. Be sure to label the axes properly, indicate the pKa values, the equivalence points and the buffering regions.
Give the products (if any) expected from the treatment of cyclooctene with ozone followed by aqueous hydrogen peroxide. Do not draw any byproducts.
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 729 torr, how many grams of Zn have been consumed?(The vapor pressure of water is 22.38 torr at 24°C.)
what is the energy difference between the heats of formation you calculated for carbocation A and B?
What is the initial pH of this buffer? 2. What is the pH of the buffer in question
Write the formulas of all possible monobromination products when cyclopentane is exposed to Br2 in presence of light, rection occurs.
give full mechanism: show the base-catalyzed formation of the monobutylated product from 1-chlorobutane and diethyl malonate
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