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K = 0.040 for the reaction below at 450 C. If the reaction starts with 0.20 M Cl2 and 0.20 M PCl3, what concentration of PCl5 will be present at equilibrium? PCl5(g) <====> PCl3(g) + Cl2(g) a) 0.09 M b) 0.13 M c) 0.16 M d) 0.03 M e) 0.20 M
Rb has two naturally occurring isotopes 85Rb and 87Rb, with masses 84.9118 amu and 86.9092 amu, respectively. The average atomic mass is 85.468 amu.
A sample of the exit air is drawn in to a chamber containing a mirror and cooled slowly, keeping the gauge pressure at 10mm Hg. A mist is observed to form on the mirror at a temperature 40C. Calculate mass of water removed from ..
How much heat is required to warm 227 g of ice from -44.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
Consider a hydrogen atom in the ground state. What is the energy of its electron? b. Consider a hydrogen atom in an excited state of
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
Determine the mass of Cr 3 + in the original solution if The total mass of the precipitate = 49.6 .
How do you know when to draw a single/double/triple bond when drawing Lewis Structures? I need a good answer because I still don't understand Lewis Strucctures.
Write the balanced net ionic equation for the reaction that occur in the following case. Ba(NO3)2 (aq) + K2SO4(q) Express your answer as a balanced net ionic equation.
A and B are stereoisomers. They are nonsuperimposable and are mirror images of one another. Which of the following best describes the relationship between A and B
V is the volume, and n is a number that can be 1, 2, 3, ... . Assume that A=1. Determine the work done by the piston. Propose a physical meaning to the term "n" in the above equation.
Calculate the wavelength of light required to remove an electron from a ground state hydrogen atom.
A cylindrical bar of metal having a diameter of (4.740x10^0) mm and a length of (9.9406x10^2) mm is deformed elastically in tension with a force of (1.281x10^4) N.
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