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For the reaction NO2 + O3 = N2O5 ,the activation energy is 18kj/mol and the overall delta E is -136kj/mol. how many times faster will the reaction occur at 50C than 0C for the forward reaction
Half-life of first order process, A reactant undergoes a dissociation reaction A r arrow 2B which follows first order kinetics. The initial concentration of reactant A is .4000
detailed reaction mechanism for the acid-catalyzed hydrolysis of lactose to its component monosaccharides
Preliminary analysis suggests that the air stable form of setonium has a radius of 130 pm. Predict the formula of the form (cation, anion or oxide) in which it would likely be found in a beaker of pH 5.5 to 7 water.
a chemist wants to prepare a solution with a freezing point of 22.0degc and has 100.00 g of glycerol on hand. what mass
The Cu-Ni system is an isomorphous one, meaning that the crystal structure does not change with alloying; in particular, Cu and Ni atoms randomly substitute for one another within a FCC crystal structure
Draw a Lewis structure for SO2 in which all atoms obey the octet rule. Show formal charges. 2 Draw a Lewis structure for SO2 in which all atoms have a formal charge of zero. Explicitly showing the zero charges is optional.
write the corresponding ionic and net ionic equations after balancingnbsp these given equations a. hclo4 mgoh2 rarr
When the mixture is ignited, gases are produced and 815 J of energy is released. To what volume will the gases expand against a constant pressure of 635 mmHg, if all the energy released is converted to work to push the piston?
Vitamin D3 Vitamins are chemicals required by humans in small amounts and are not made within our bodies. Such chemicals must therefore be acquired from ones diet.
A sample of 0.255 mole of gas has a volume of 748 mL at 28°C. Calculate the pressure of this gas. (R= 0.0821 L · K)
A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a 1.00 M X(II) acetate solution and an electrode of metal X. The voltage of the cell is 1.37 V, with metal X as the positiv..
The oxygen content of a fuel that is recommended in order to ensure complete combustion about 2.7%. (a) Consider a case where methyl tertiary butyl ether (MBTE) is to be added to the conventional gasoline.
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