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Construct a delta H and delta S table, including the four possibilities associated with the two possible signs for each of delta H and delta S. Discuss the resulting sign of delta G and the spontaneity of the process.
A mixture of Na2CO3 and NaHCO3 has a mass of 81.1g. it is dissolved in 1.00L of water and the pH is found to be 9.92. what is the mass NaHCO3 in the mixture
A mixture of helium, nitrogen, and oxygen has a total pressure of 758 mmHg. The partial pressures of helium and nitrogen are 232 mmHg and 197mmHg , respectively. What is the partial pressure of oxygen in the mixture
In May 1990 the French TGV train traveled the distance from Paris to Lille, France (127 miles) in .819 hours. What was the speed of the TGV in m/s?
If we exchange the labels on particles that are part of a wavefunction (for example, if we exchange the labels on particles 1 and 2 and call them particles 2 and 1 instead), what might happen to our wavefunction
The normal boiling point of the liquid is 425 K. Liquid, X, and Y are all in equilibrium at 342 K and 1800 bar. Tc = 571K, Pc= 46 bar
a chemist often uses a white card with a black mark to aid in reading the meniscus of a clear liquid. How does this technique make the reading more accurate
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)
Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl - .
what is the ph of the 0.20 M NH3/0.20 M NH4Cl buffer after the addition of 10.0 ml of 0.10M HCl to 65.0 ml of the buffer.
The lab was a "Two-Base Extraction" A mixture of benzoic acid, 2-naphthol, and naphthalene was extracted with sodium bicarbonate and followed by sodium hydroxide.
Given tyrpsin digest yields the following amino acid sequences: k, tyk, wag, and spwr and a chymotyrpsin digest yields ag, rw, ty, and kkspw. what is the primary amino acid sequence of the antibiotic peptide
Calculate the molar mass (g/mol) of the element to three significant figures.
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