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(a) If you are told that the entropy of a certain system is zero, what do you know about the system and the temperature?
(b) The energy of a gas is increased by heating it. Using CO2 as an example, illustrate the different ways in which additional energy can be distributed among the molecules of the gas.
(c) CO2(g) and Ar(g) have nearly the same molar mass. At a given temperature, will they have the same number of microstates? Explain.
A 8.00mL ampule of a 0.120M solution of naphthalene in hexane is excited with a flash of light. The naphthalene emits 15.2J of energy at an average wavelength of 349 nm. What percentage of the naphthalene molecules emitted a photon
What would happen to the % Transmittance value if the wavelegth is changed from 447nm to 520 nm
The Ksp for AgCl = 1.8x10^-10, @25 degrees Celsius. If the goal is to harvest silver ions from a film stop bath, and the plan is to get the silver ion concentration down to 18x10^-12 M, using NaCl, what concentration of Cl- ion, in M is required
Determine the number of electron pairs (both bonding pairs and lone pairs) on the iodine atom in the following.
calculate the mass of silver chloride and dihydrogen monosulfide formed when 85.6 grams of silver sulfide reacts with excess hydrochloric acid.
when potassium cyanide kcn reacts with acids a deadly poisonous gas hydrogen cyanide hcn is given off. here is the
what plot would you construct to determine the rate constant k for this reaction. C) what would be the half-life for this reaction. will it depend on the initial concentration of reactant
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
Explain how dissolving the Group IV carbonate precipitate with 6M CH3COOH, followed by the addition of extra acetic acid, establishes buffer with pH
Write and balance the ionic equation for the red-ox reaction between the permanganate ion and the Fe(2+) ion in an acidic media. Which substance was reduced and which was oxidized
Water, sodium hydroxide, and 1,6-hexanediamine are all potential nucleophiles. Yet, only 1,6-hexanediamine reacts with the adipoyl chloride. Offer an explanation as to why.
a sample of hydrogen gas was collected over water at 36degc and 855 mm hg. the volume of the container was 6.50 l.
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