Homework Answers
a.
N2 + O2 = NO
balance
N2 + O2 = 2NO
K = [NO]^2 / ([N2][O2])
b.
N2O4 --> NO2
the balance
N2O4 --> 2NO2
K = [NO2]^2 / [N2O4]
c.
PBr3 + Cl2 = PCl3 + Br2
balance
2PBr3 + 3Cl2 = 2PCl3 + 3Br2
K = [PCl3]^2 [ Br2]^3 / ([PBr3]^2[Cl2]^3)
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Write the equilibrium expression (K) for each of the following gas-phase reactions: Nitrogen gas reacts with...
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4.96 Predict the product(s) and write a balanced equation for each of the following redox reactions: (a) Pentane (C-H12) + oxygen – (b) Phosphorus trichloride + chlorine → (c) Zinc + hydrobromic acid (d) Aqueous potassium iodide + bromine (e) Write a balanced net ionic equation for (d). Solid aluminum metal reacts with chlorine gas to produce solid aluminum chloride crystals. Assuming 100% yield, how many grams of aluminum chloride crystals will be produced if there are 61.5 grams of...
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3. Consider the potential combustion of nitrogen gas with oxygen to produce nitrogen monoxide. The K for this reaction is 4.8 x 10-31 at 25°C. (a) Write the balanced chemical reaction for this equilibrium (b) At equilibrium, what species would be predominately present in a reaction flask (c) In the atmosphere at 25°C and latm pressure, the concentration of nitrogen gas is 0.0330 M and that of oxygen is 0.00810 M. Using these as initial concentrations, determine the concentration of...
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