@X@user.full_name@X@ @GMU: Upon addition of sugar to water the vapor pressure of
@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 increase the size of the equilibrium constant?2PCl3(g) + O2(g)→2POCl3(g)
John Schreifels @GMU: When 0.2191 g of glucose was dissolved…
John Schreifels @GMU: When 0.2191 g of glucose was dissolved in 100.0 mL of water, the osmotic pressure at 32.04°C was 0.3049 atm. What is the formula mass of this compound?
@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 1.080e9 M-1s-1 at -78.00°C and 2.45e9 M-1s-1 at -53.47°C?NO(g) + O3(g) → NO2(g) + O2(g)
@X@user.full_name@X@ @GMU: The osmotic pressure of a 16.150…
@X@user.full_name@X@ @GMU: The osmotic pressure of a 16.150 mM solution of Na3PO4 is 1.213 atm at 22.70 °C. How many ions per formula unit of Na3PO4 must there be? The compound may not be completely ionic.
Consider the reaction.2C(s) + O2(g) ⇋2CO(g)What is the corre…
Consider the reaction.2C(s) + O2(g) ⇋2CO(g)What is the correct expression for Kc?
Methyl acetate, CH3COOCH3 hydrolyzes in the water according…
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.