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For the reaction given below, the frequency factor A is 8.7 1012 s-1 and the activation energy is 63 kJ/mol.
NO(g) + O3(g) NO2(g) + O2(g)
What is the rate constant for the reaction at 80°C?
The polyyne molecules CkH2 with alternating triple and single carbon-carbon bonds represent potential nanowires for molecular electronics. They can be modelled as linear 1D-boxes with 2k
What is the pH of a 0.15 M solution of the weak base ammonia (NH3). The Ka of the conjugate acid is (NH4) is 5.6e-10.
What is the balanced reduction half-reaction for the following unbalanced redox reaction: Ca(s) + Ag^+(aq)--->Ca^2+(aq)+Ag(s)
the molar mass of a nonelectrolyte is 58.0 g/mol. Compute the boiling point of a solution containing 31.2g of this compound and 600.0 g of water
Starting with 3.00 moles of HBr in a 12.0 L reaction vessel, calculate the concentrations of H2, Br2, and HBr at equilibrium.
Use the appropriate standard reduction potentials to calculate the value of k at 25 degrees celcius
Determine the molar amounts of NO, O2 and NO2 after a complete reaction. NO=? O2=? NO2=?
Provide an example of the following mechanism by choosing an appropriate reactant and reagent then drawing curly arrows to show how the mechanism proceeds.
the pkas of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0 respectively.a. determine the keq for the
Given that a sample of air is made up of nitrogen, oxygen and argon in the mole fractions 78% N2, 21% O2 and 1.0% Ar, what is the density of air at sandard temperature and pressure?
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
What is the potassium ion concentration in a 2.5 m k2so4 aqueous solution
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