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The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and it's normal boiling point is 91degrees C. What is the vapor pressure of BBr3 at 34 degrees C. (R=8.314 kJ/mol)A. 117. torrB. 759. torrC. 710. torrD. 156. torrE. 689. torr
What is the heat change in J associated with 65 g of gaseous acetic acid at 127 oC changing to solid at -50 oC? c(acetic acid) (g) = 1.11 J/(g.K) c(acetic acid) (liq) = 2.18
A solution contains 0.010 M each Cu(NO3)2 and Bi(NO3)3. An equal portion of 12 M NH3 is added to the solution. What is the initial concentration of OH- (in M) once the two so
During the course of an experiment, a 0.300 M NaCl solution with an initial volume of 25.0 ml is diluted to a total final volume of 26.0 ml. What is the concentration of NaCl
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhouse gas, so over-production can have negative
Is the solubility of a cation predictable from the position of its element in the Periodic Table? Is precipitate color predictable from the position of the cations element i
While forming monatomic ions, halogens gain electrons to become isoelectronic with the next noble gas. Explain what is the charge on the iodide ion. Define which is the corr
The slope of an arrhenius plot between ln k and 1/t for a reaction is -0.66x10^4 K, and the y intercept is 11.25. what is the activation energy and the frequency factor of t
All of the following are balanced equations. State the number of atoms of each element in the reactant and in the products. a) 2N2(g)+3O2(g)--->2N2O3(g); b)Al2O3(s)+6HCl(aq
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