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Express the equilibrium constant for the following reaction.  PCl5(g) ⇌ PCl3(g) + Cl2(g)

Determine the identity of the daughter nuclide from the positron emission of O.

The ___________________ is observed when colloids scatter light that is shined on them.

Calculate the mass defect in Ni-59 if the mass of a Ni-59 nucleus is 58.69344 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu.  Make sure you use the values provided in this question.  You must show your written work to receive credit.

Consider the following reaction and its equilibrium constant: 4 CuO(s) + CH4(g) ⇌ CO2(g) + 4 Cu(s) + 2 H2O(g) Kc = 1.10 A reaction mixture contains 0.22 M CH 4, 0.70 M CO 2 and 1.5 M H 2O.   Calculate Q and determine which of the following statements is TRUE concerning this system?

Consider the following reaction at equilibrium. What effect will reducing the volume have on the system?C3H8(g) + 5 O2(g) ⇌ 3 CO2(g) + 4 H2O(l)ΔH° = -2220 kJ

A glucose (C6H12O6) solution is prepared by dissolving [x] g glucose in [y] g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 23.76 mm Hg?  Report your answer with the correct number of significant figures and the correct units.

Consider the following reaction:  Xe(g) + 2 F 2(g) → XeF 4(g) A reaction mixture initially contains [x] M Xe and [y] M F 2. If the equilibrium concentration of XeF4 is [z] M, find the equilibrium constant (K c) for the reaction.   Report your answer with the correct number of significant figures.

At a certain temperature the equilibrium constant,  K c, equals [w] for the reaction: 2 ICl( g) ⇌ I 2( g) + Cl 2( g). What is the equilibrium concentration of ICl if [y] mol I 2 and [y] mol Cl 2 are placed in a 2.00 L evacuated flask?   Report your answer with the correct number of significant figures and the correct units.

Consider the following reaction at equilibrium. What effect will increasing the volume of the reaction mixture have on the system? 2 H2S(g) + 3 O2(g) ⇌ 2 H2O(g) + 2 SO2(g)