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For the reaction described by the chemical equation: 3C2H2(g)-->C6H6(l) Change in reaction=-633.1kJ mol^-1
a) Calculate the value of DeltaS °rxn at 25.0 °C.
b) Calculate DeltaG °rxn.
c) In which direction is the reaction, as written, spontaneous at 25 °C and standard pressure?
The dipole moment of HBr (a polar covalent molecule) is 0.784 (debye), and its percent ionic character is 11.6 . Estimate the bond length of the bond in picometers.
formulate a complete mechanism for the thiamine-catalyzed conversion of benzaldehyde to benzoin
If 158 of wet hydrogen is collected over water at 24 and a barometric pressure of 736 , how many grams of hydrogen have been consumed.
A 26.0-g sample of ice at -10.0°C is mixed with 114.0 g of water at 72.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Calculate the pH of a solution that is formed when 25.0 mL of 0.24 M ammonia (Kb = 1.8 x 10-5) is mixed with 25.0 mL of 0.20 M ammonium chloride.
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
What are most important organelles? Is How does biochemistry describe life processes? there a simple basis for classifying organisms?
Assume that the density of the mixed solutions is 1.00 g/mL, that the specific heat of the mixed solutions is 4.18 J/(g celcius), and that no heat is lost to the surroundings. The deltaHrxn for the neutralization of NaOH with H2SO4 is -114 kJ/mol ..
The product formed by the reaction of 3-methyl-1-butene with mercuric sulfate and sulfuric acid is?
A sample of calcium nitrate, Ca(NO3)2, with a formula weight of 164 g/mol, has 5.00 x 1025 atoms of oxygen. How many kilograms of Ca(NO3)2 are present
Finding Number of Atoms in a Molecule from Molecular Weight, As determined from the gas law, the molecular weight of a substance is eight times the atomic weight
Determine the percent yield for this reaction as N2(g) + 3 H2(g) ? 2 NH3(g)
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