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For the reaction: 2BrCl(g) <---> Cl2(g) + Br2(g), Kp has a value of 0.140 at 350 K. If the equilibrium concentrations of both Cl2(g) and Br2(g) are 0.0200 M in a closed container, what will be the partial pressure of BrCl?
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A student finds that the mass of an object is 6.62 kg. She is told that her measurement has an error of 12.3%. What is the true mass (in kg) of the object?
A chemist adds 190.0 mL of a 2.8*10^-6 mol/L mercury(I) chloride (Hg2Cl2) solution to reaction flask. Calculate the micromoles of mercury(I) chloride the chemist has added to the flask. Round your answer to 2 significant ...
You will have a 500mL solution of salt water. From this you will take 10.0mL and place it on a balance. You find that the 10.0mL solution has a mass of 12.5 g. What is the density of the 500mL of salt water solution in g ...
A mass of 8.15 gC 2 H 4 ( g ) reacts with excess oxygen. If 16.2 g CO 2 ( g ) is collected, what is the percent yield of the reaction? C 2 H 4 ( g ) + 3O 2 ( g )® 2CO 2 ( g ) +2H 2 O( g )
For the molecule allene, H2 C = C = CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?
Consider the following reaction: CO + H2 CH3OH A reaction mixture in a 5.18 L flask at a certain temperature contains 26.8 g CO and 2.36 g H2 . At equilibrium, the flask contains 8.67 g CH3OH. Calculate the equilibrium c ...
What was the initial energy level of an electron if it was excited by a photon of wavelength 38.9µm and jumped to an energy level of 10?
An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?
2K3PO4(aq)+3MgCl2(aq) → Mg3(PO4)2(s)+6KCl(aq) The molecular equation you determined in Part B is shown above for your convenience. Examine each of the chemical species involved to determine the ions that would be present ...
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