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A 40-cuft tank is filled with air at 14.7 psia and 80 F, The tank also contains a 15-lb block of dry ice (solid CO2, specific gravity of 1.53 based on water). After the dry ice sublimes, the temperature is 30F. What is the pressure? Assume ideal gas behavior.
Write net Brønsted equations that show the acidic or basic nature of the following solutions in water. For polyprotic species (vitamin C, lemon juice, and washing soda), show only one proton transfer
Hypothetical protein: the positive charged guanidinium group of R21 was with in 2.3A of the side chain carboxylate of D156. will the pka of the carboxylic acid will be different from that of free aspartic acid (with a pka of 3.5
What volume (mL) of 0.135 M NaOH is required to neutralize 13.7 mL of 0.129 M HCl? a: 0.24 b: 13.1 c: 0.076 d: 6.55 e: 14.3
assume that an astronaut's energy comes from burning glucose(c6h12o6). write 3 equations (including delta H values that represent the heats of formation for each C6H12O6, H20 and CO2.
Calculate the APF for (a) the simple cubic and (b) body centered cubic lattices as volume of atoms/volume of cell. (c) Which structure is more dense given atoms of equal mass? The edge length for simple cubic is 2r. Remember that each corner atom ..
When crystals of D-fructose are dissolved in basic aqueous solution, two aldohexoses are obtained. Propose the structures for the aldohexoses.
Osteo imperfecta displays a wide range of symptoms for mild to servere. On the bases of amino acid and collagen structure,
What volume of bromine trifluoride is required to produce 107 liters of fluorine gas according to the following reaction? (All gases are at the same temperature and pressure.) bromine trifluoride (g) -------bromine (g) + fluorine (g)
Demonstrate that the operator G=id/dθ (partials) is Hermitian if θ spans the angularrange from 0 to 2π radians (integrate the integral by parts to show that it equals ).
A 50.0-L reaction vessel contains 1.00 mol N2, 3.00 mol H2, and 0.500 mol NH3. Will more ammonia, NH3, be formed or will it dissociate when the mixture goes to equilibrium at 4000C. The equation is
Draw a mechanism for the reaction of lauryl alcohol with chlorosulfonic acid.
A pure titanium cube has an edge length of 2.65. How many titanium atoms does it contain. Titanium has a density of 4.50g/cm^3
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