Methyl acetate, CH3COOCH3 hydrolyzes in the water according to first order kinetics. Determine half-life and the rate constant.CH3COOCH3(aq) + H2O(l) → CH3OH + CH3COOH(aq)
@X@user.full_name@X@ @GMU: Determine the molality of LiBr if…
@X@user.full_name@X@ @GMU: Determine the molality of LiBr if 7.1501 g of LiBr was dissolved in 176.30 g of H2O. MW(LiBr) = 86.845 g/mol.
Determine if the reverse reaction for the energy level diagr…
Determine if the reverse reaction for the energy level diagram is endothermic or exothermic and what the ΔH for the reverse reaction is.
@X@user.full_name@X@ @GMU: Radioactive substances decay by f…
@X@user.full_name@X@ @GMU: Radioactive substances decay by first-order kinetics. How many years would be required for a sample containing carbon-14 to decrease to 66.33% of its initial activity? The half-life of carbon-14 is 5.73e3 years.
@X@user.full_name@X@ @GMU: When 0.3572 g of aspirin was diss…
@X@user.full_name@X@ @GMU: When 0.3572 g of aspirin was dissolved in 105.8 mL of water, the osmotic pressure at 29.14°C was 0.4742 atm. What is the formula mass of this compound?
@X@user.full_name@X@ @GMU: A mixture containing an initial c…
@X@user.full_name@X@ @GMU: A mixture containing an initial concentration of 0.1533 M for N2 and 0.1311 M for O2 is allowed to come to equilibrium (see reaction below). What must be the equilibrium concentration of NO?N2(g) + O2(g) → 2NO(g) Kc = 2.70e-18
@X@user.full_name@X@ @GMU: The reaction below is a exothermi…
@X@user.full_name@X@ @GMU: The reaction below is a exothermic reaction. What would one have to do to shift the equilibrium to the right?2SO2(g) + O2(g)→2SO3(g)
@X@user.full_name@X@ @GMU: The following data was obtained b…
@X@user.full_name@X@ @GMU: The following data was obtained by the method of initial rates. What is the value of the rate constant for the reaction of A with B to produce product? o o Rate, M/s 0.298 0.307 7.41e-7 0.571 0.307 1.42e-6 0.298 0.524 9.68e-7
@X@user.full_name@X@ @GMU: What is the activation energy (in…
@X@user.full_name@X@ @GMU: What is the activation energy (in kJ/mol) for the reaction below if the rate constants are 1.300 M-1s-1 at 427.00°C and 2.76 M-1s-1 at 450.65°C?NO2(g) + CO(g) → NO(g) + CO2(g)
@X@user.full_name@X@ @GMU: Determine the mole fraction of be…
@X@user.full_name@X@ @GMU: Determine the mole fraction of benzene if 5.2414 g of benzene, C6H6, was mixed with 7.33 g of cyclopentene, C5H8. MW(C6H6) = 78.114 g/mol; MW(C5H8) = 68.119 g/mol.