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Show the steps in the acid-catalyzed formation of a cyclic acetal from
ethylene glycol.
What is the initial volume of a 12.1mol/L hcl solution needed in order 500.0ml of a 2.5 mol/l solution of hcl
68.1 g of a titanium complex P were dissolved in water and its ligand field splitting energy was measured as 59.05 KJ. Calculate the molar mass of P if the complex absorbs a wavelength of 733nm
1.How is Gibbs free energy change determined when ΔH and ΔS are available?
2. How is free energy change in non-standard states (ΔG) related to the standard free energy change (ΔG°)?
HG is a hypothetical weak acid. given that the pH at the equivalence point for the titration between 0.073 M potassium hydroxide and 20.0ml of 0.046 M HG is 10.44 calculate the base dissociation constant of G
What mass of coppef would you be able to raise from 92 C to 192 C py applying 4.100 joules of heal?
A chemist runs a reaction at 50C and determines its rate to be 0.00451M/s. If she increases the temperature to 80C, what will the rate of the reaction be?
Ozone (O3) in the atmosphere may react with nitric oxide (NO).
O3(g) + NO(g) = NO2(g) + O2(g)
From the following data, calculate the ΔG° in kJ for the reaction at 25°C and determine whether the reaction is spontaneous. ΔH° = -199kJ ΔS° = -4.1 J/K
Consider the reaction below at 25°C for which ΔS = 16.1 J/K. Show your work.
CH4(g) + N2(g) = HCN(g) + NH3(g)
At what temperature will this reaction be spontaneous?
A 2.65 g sample of a gas occupies a volume of 650 mL at 100°C and 753 torr. What is the molecular weight of the gas? [R = 0.0821 L-atm/mol-K]
