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Question: Predict the 1HNMR spectra for the following compounds. Include chemical shift (with evaluation), integration and multiplicity. Give pro, drawings that consider the intensity of the lines within a multiplet.
The overall reaction for the corrosion of iron by oxygen is given by the following reaction. 4Fe (s) + 3O2 (g) 2Fe2O3 (s) Compound ?H° (kJ/mol) S° (J/mol K) Fe (s) 0 27 O2 (g) 0 205 Fe2O3 (s) -826 90 Calculate the G° for the reaction at 298K and ..
Calculate the pH of the solution that results from each of the following mixtures. a)140.0 mL of 0.26M HF with 230.0mL of 0.32M NaF b)185 mL of 0.12M C2H5NH2 with 265mL of 0.20M C2H5NH3Cl
What are the partial pressures of chlorine gas, dichlorine monoxide and the mass of mercury (II) chloride at equilibrium?
a graduated cylinder contains 154 of water. a 15.0 piece of iron density 7.86 and a 18.0 piece of lead are added.
the rate constant k for a first order reaction is 1.36 10 -3 s -1 at 90 degrees celcius and the activation energy is
Four ice cubes at exactly 0 ^\circ {\rm{C}} having a total mass of 53.5 g are combined with 110 g of water at 77^\circ C in an insulated container.
What is the osmotic pressure, in atm, of a solution formed by dissolving 14.1 g of CaBr2 in 0.670 L of water at 53.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
Consider two ionic compounds NaCl and BaO. Both materials have the same crystal structure where each ion is coordinated by six neighbors of opposite polarity (fcc rocksalt structure)
a mixture of aluminum and zinc has a mass 2.30g. excess hcl is added to the mixture and 2.30l of h2 hydrogen gas was
Here are some data collected on a sample of cesium exposed to various energies of light. Light energy ({\rm eV}) Electron emitted. Electron KE ({\rm eV}) 3.87 no - 3.88 no - 3.89 yes 0 3.90 yes 0.01 3.91 yes 0.02 Part A What is the threshold frequ..
Question- An estimation of the laminar flame speed of an alkane, based on a simple energy balance, gives the correct order-of-magnitude of 10^0 m/s.
what is the maximum kinetic energy of a photo electron ejected from cesium by 555nm light? note that if the wavelength of the light used to irradiate the cesium surface become longer than 600 nm, no photoelectrons are emitted.
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