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Values of the rate constant for the decomposition of N2O5 at four different temperatures are as follows:T(K) k(s^-1)658....2.14*10^5673....3.23*10^5688....4.81*10^5703....7.03*10^5Determine the activation energy (I got this step right, Ea = 101.15 kJ/mole)Calculate the value of the rate constant at 300k.
Grignard Synthesis of malachite Green Find the theoretical yield for generation of Gringard reagent AND malachite green. Show calculation Here was the procudure
You are given solutions of HCl and NaOH and must determine their concentrations. You use 27.8 mL of NaOH to titrate 100. mL of HCl and 22.8 mL of NaOH to titrate 50.0 mL of 0.0790 M H2SO4.
Compare the amount of .200 moles of KOH needed to neutralize 50 mL of .200 moles of HNO3 with the amount of .200 moles of KOH needed to neutralize 50 mL of .200 moles of CH3COOH. Is the volume of KOH more, less or the same.
Hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change is -71.1 liters then determine how much PV work is done?
How much energy (in kilojoules) is required to convert 110 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 ?
In photosynthesis, plants use energy from the sun in combination with carbon dioxide and water to form glucose (C6H12O6) and oxygen. If 4.50 moles of water react with carbon dioxide, what mass of glucose is produced?
Hydrocarbons are often reacted with steam to form H2, as shown for propane: C3H8(g) + 6 H2O(g) 3 CO2(g) + 10 H2(g) Calculate Kp for this reaction at a particular temperature
it takes 261 kj/mol to eject electrons from a certain metal surface. what is the longest wavelenght of light(nm) that can be use to eject electrons from the surface of this metal via the photoelectric effect?
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
What is the wavelength of a photon of electromagnetic radiation having a photon energy of 4.56X10^-19 J? Report your answer in nanometers, to the correct number of significant figures.
Calculate the standard enthalpy of the reaction, \Delta {{H}^\circ}_{\rm rxn}, for the thermite reaction: \rm 2Al(s) + Fe_2O_3(s) \rightarrow 2Fe(s) + Al_2O_3(s)
Toluene (C6H5CH3) is a liquid compound similar to benzene (C6H6). Calculate the mole fraction of toluene in the solution that contains 132 g toluene and 115 g benzene.
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