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Write an equation to show how the base NaOH(s) behaves in water. Include states of matter in your answer.
(?) --> Na(?) + (?)aq
A student collects 22.4 mL of a gas by the process of water displacement at a temperature of 0 °C. If the barometric pressure is 764.6 torr and the vapor pressure of water at 0 °C is 4.6 mmHg,
A flask that can withstand an internal pressure of 2525 torr, but no more, is filed with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst?
Explain why f-f transitions in the electronic spectra of lanthanide complexes are weaker than d-d transistions in the corresponding spectra
Hydrogen gas produced in the laboratory by the reaction of zinc and hydrochloric acid was collected over water at 25°C. The barometric pressure at the time was 742.5 mm Hg.
Assume the total heat capacity of the air C air=30 J/K. Describe what's the likely ice will ne after the system reaches equilibrium. b) Estimate theliekly final temperature after reaching equilibrium
The Al2O3 does not react. If the sample residue weighs 2.717 g, what is the mass fraction of Fe2O3 in the original sample?
Why do you put sodium carbonate in sulfanilic acid. What form is the sulfanilic acid? Why do you put HCl in ice?
calculate the change in the entropy of the universe between the time that the contents of the glass enter the lake and when thermal equilibrium is subsequently restored. State any approximations made in your calculation.
Gas x effuses 0.629 times as far as oxygen under the same conditions. what is the molar mass of gas x.
How many resonance structures are there for the cyclohepatrienyl cation? Draw them. Are carbon-carbon bonds equivalent?
Calculate the volume of O2, at STP, required for the complete combustion of 165 g octane (C8H18) to CO2 and H2O.
Construct quantum mechanical operators for the following observable: (1) the inverse separation 1/x
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