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Explain what are weak secondary Interactions?
Why are weak secondary interactions important for a protein to maintain its structure?
A sample of an unknown gas effuses in 11.3 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.72 min. What is the molar mass of the unknown gas
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.100 M phosphoric acid solution. pKa1 = 2.16 pKa2 = 7.21 pKa3 = 12.32need..
FE3+ SCN FeSCN2, how will adding potassium thiocyanate (KSCN) initially change [Fe^3+], [SCN], and [FeSCN^2+). how should equilibrium system respond to the change
How do you tell zeroth, first, and second orders apart graphically? Like how zeroth is supposed to be linear. Also what are their relationships for consumption and disappearance on the graph
Air is 21 mole percent oxygen, that is, 0.21 atm oxygen at 1 atm. Suppose the pH of the water is 5.85 and that the concentration of iron(II) in the water is 8.97x 10-5 M, what is the potential of the corrosion reaction under the above conditions a..
What is the mole fraction of urea(CH4N2O) in an aqueoues solution that is 36.0% urea by mass
What is the energy of photon required to cause the electron in a hyrogen atom to undergo a transition from n=2 state to the n=6 state
A semipermeable membrane separates two solutions. On one side of the membrane the concentration of sodium ions is 0.87 mol/L, and on the other side the concentration of sodium ions is 2.5 mol/L.
1401g sample of a purified carbonate was dissolved in 50ml of a .1140 M HCl and boiled to eliminate CO2. Back titration of the excess HCl required 24.21ml of .09802M NaOH. Identify the carbonate.
Determine the reaction equation and volumetric analysis of the combustion products for the combustion of natural rubber, [C3H8]2000 or (C6000H16,000) , with 100.% theoretical oxygen.
You then take 0.1657 g of pure reagent from bottle A, dissolve it in 100.0 mL of water, and titrate it in a precipitation titration against 0.0424 M Ba2+. The volume of Ba2+ required to reach the endpoint is 22.40 mL. What is the calculated molar ..
How many Calories would a 150-lb person burn during 8 hours of sleep?
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