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State which of the following species has the strongest conjugate base and briefly explain your choice.
(a) HSO4- (aq)
(b) CH3COOH (aq)
(c) HClO (aq)
Assume a gasoline is isooctane, which has a density of 0.692 g/mL. What is the mass of 2.5 gal of the gasoline (1 gal = 3.78 L)? Answer in units of kg.
From the understanding of colligative properties, how would I design an experiment to measure the freezing point of a material which freezed at -2'c using the same apparatus used in the laboratory and any chemical reagents commonly found in a chemi..
What is the molality of a solution prepared by dissolving 413 mg of KBr in 6.45 mL of water at 25.0 0C. The density of water at 25.0 0C is 0.997 g/mL.
What is the Electron Configuration for Os4+. And how did you know which orbital lost its electron first
find the volume and the intermolecular force present in ammonia at stp in the following reaction.n2gnbsp
A 52.0-g sample of an alloy at 93.0°C is placed into 379 g of water at 22.0°C in an insulated coffee cup. Assume that no heat is absorbed by the cup.
distinguish between an absorption spectrum and an emission spectrum. with which did bohr
Draw those that have a trisubstituted ring where the methyl groups are oriented meta.
Determine the original mass of liquid, G, that was placed in the container. (ignore the volume occupied by the liquid in these calculations.)
Find the standard free energy change in G at 25 C for the following reaction using standard free energies of formation. What is the value of K at 25 C for this process?
Aluminum metal shavings (3.200g) are placed in 60.00 mL of (6.00 M hydrochloric acid. 1.00 L of hydrogen gas is collected in a buret over at 20 degress celsius and 1 atm. P(H2O)=17.5 torr.
What mass of sucrose should be combined with 455 g of water to make a solution with an osmotic pressure of 8.75 atm at 320 K?
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