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What is the vapor pressure of SiCl4 (in mm Hg) at 23.5 C? The vapor pressure of SiCl4 is 100 mm Hg at 5.4 C and Delta H vap = 30.2 kJ / mol.
Hemoglobin is the protein that transports O2through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules
System were found to be [N2]=[O2]=0.200 M and [NO]=0.500 M. N2(g) + O2(g) 2NO(g) If more NO is added, bringing its concentration to [0.800 M], what will the final concentration of NO be after equilibrium is re-established?
A hydrogen molecule in it's ground vibrational state with KE=10eV collides with heavy atom metal surface and no energy is transferred to the surface, i.e., the surface can be modeled as an infinite potential wall.
Calculate the CO3- concentration of a 5.45 x 10-4 M H2CO3 (carbonic acid) solution. Ka1 and Ka2 of carbonic acid are 4.3 x 10-7 and 4.8 x 10-11 respectively.
To see the affect on W when n > N/2, calculate W for N = 20 and n = 9 and 11. Is the result at all surprising? Why? Can you explain why you get this result? What other choices of n would give similar results?
For a particular orbital, as one goes away from the nucleus along the z-axis, the probability desity decreases to zero, then increases, and finally decreases without increasing a second time. This is consistent with
In your house (elevation 950ft above sea level) you have a barometer that registers inches of mercury. On an average day in january, the pressure was 0.966 bar on 700 ft elevation
Calculate the pH of a solution that results from mixing 37.6 mL of 0.127 M ammonia with 48.3 mL of 0.119 M ammonium chloride.
It is also noted that NO3 is a reaction intermediate. Suggest a plausible reaction mechanism
There are 3 different possible structures (known as isomers) for a dibromoethene molecule, C2H2Br2. One of them has no net dipole moment, but the other two do. Draw a structure for each isomer. Include H atoms.
1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
What is the mass of precipitate (in Grams) that forms when 235.5 mL of 0.129 M Na2SO4 solution is reacted with excess Ba(NO3)2 solution?
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