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When sulfur dioxide reacts with nitrogen dioxide, a mixture of nitrogen monoxide and sulfur trioxide is formed.
so2(g) + N02(g) NO(g) + SO3(g) Kp = 85.0 at 460oC
Determine the equilibrium partial pressure for sulfur trioxide if the initial partial pressure of each reactant is 0.150 atmand the initial partial pressure of each product is 2.00 atm.
Calculate the charge in pH when 0.30 mol H+ is added to 1.00 L of each of the following buffers :
(a) a 0.54 M solution of pyridine (py) containing 0.46 M pyH+
(b) a 0.60 M solution of aniline (an) containing 0.92 M anH+.
The equlibrium constant, Kc. for the following rcaction is 1.80x10-2 at 698 K
2HI(g) H2(g)+ I2(g)
Calculate the equilibrium concentrations of reactant and products when 0.286 moles of HI are introduced into a 1.00 L vessel at 698 K.
the experiment is then repeated with the copper immersed in a stream of water that maintains its temp at 293. Calculate the change in entropy of the copper and the water in this case.
In each of the following polyatomic ions, the central atom has an expanded octet. Determine the number of electron pairs around the central atom and the hybridization in: SF2 2- AsCl6- Scl4 2- I'm really confused on this one so your thorough help ..
The major product of the reaction is 2-ethoxy-2,3-dimethylbutane. In addition, 2,3-dimethyl-2-butene, 2,3-dimethyl-1-butene, and 3,3-dimethyl-1-butene are produced as minor products. Suggest a mechanism
Calculate the grams of iron ion present in a 1.25 mL of a solution that required 2.20mL 0f 0.002115 M KMnO4 in a titration going to a faint pink endpoint.
what is the energy of a mole of photons associated with light of frequency 6.65x10^14 Hz? Can you show all steps please.
50.0000 g of a compound showed that it contained 12.7520 g C,3.2105 g H, and 34.037 g S. The molecular weight of this compound was determined in a seperate expierment and found to be 94.19u.
Why is the water bath used to heat the reaction? 4)What is the mechanism of the reaction of phenylmagnesium bromide and CO2? Include the workup steps. 5) In this experiment, it is important to use freshly obtained dry ice. Why?
Calculate the concentration of Cu^2+ in a solution prepared by adding 4.5*10^-3 mol of CuSO4 to 0.490 L of 0.37 M NH3.
Zinc is used to make galvanized iron pipes. these pipes are protected from the rust reactions that would normally occur. Which statement best explains why zinc is used.
What can you conclude from these results? -- Need 4 of them because I'm lost. Also, how can I estimate the useful range of a pH meter?
An unknown solid compound containing Pb2+ ion was mixed with 15 mL of 2.0 M HNO3. The mixture bubbled profusely. After complete reaction, it was found that 0.020 moles of CO2 were produced and the original solid was completely consumed.
Write a balanced chemical equation for the reaction of hydrochloric acid with calcium hydroxide. Include states of reactants and products.
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