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how to find the maximum percentage yield of the ketene when the phase-gas decomposition of acetic acid at 1189K proceeds by way of two parallel reactions.
The rate constants of some reactions double with every 10 degree rise in temperature. Assume that a reaction takes place at 350 K and 360 K. What must the activation energy be for the rate constant to double as described
Identify the oxidizing agent and reducing agent. Determine the number of electrons transferred in the balanced chemical equation.
According the Michaelis-Menten mechanism, the dependence of enzymatic reaction rates on substrate concentration [S] is Answer A. zero order at low [S] and first order at high [S] B. first order in [S] as long as substrate is at saturating concentr..
What is the mass in grams of the hydrogen gas obtained? The vapor pressure of water at 20 degrees C is 17.54 mmHg.c
N2O2 draw valence bond drawings for the resonance forms-clearly labeling the sigma and pi bonds and hybrid orbitals.
Will nitric acid digest and contaminate a sample with additional carbon if it is filtered with a cellulose filter paper?
A star is estimated to have a mass of 1 1036 kg. Assuming it to be a sphere of average radius 7.0 105 km, calculate the average density of the star in units of grams per cubic centimeter.
Estimate the value of the equilibrium constant at 685 K for each of the following reactions. Delta H and S for BrCl(g) is 14.6 kJ/mol and 240.0 J/ mol * K, respectively. 2 NO_2(g) > N_2O_4(g.
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
For the reaction,: Ca(OH)2(s)+ CO2(g)= CaCO3(s)+ H2O(g) (a) Use the following standard enthalpies of formation to calculate the enthalpy change.
A chemist must dilute 80.5mL of 126mM aqueous sodium thiosulfate solution until the concentration falls to 110.mM . He'll do this by adding distilled water to the solution until it reaches a certain final volume.
Draw the lowest energy conformation of 3-ethyl-2,4,4-trimethylheptane, depicting the C3-C4 bond on a sawhorse.
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