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2NO2(g)-->O2(g)+2NO(g)Specified that the half-life of this reverse reaction is 52sec when the initial concentration of NO2 is 2.00M, Explain how long would it take in seconds for 80% of the NO2 to decompose?
Calculate the value of K for the reaction at this temperature. Give your answer in scientific notation
A 0.200 L sample of H2 is collected over water at a temperature of 298 K. Atmospheric pressure is 99.00 kPa. Water has a vapor pressure of 23.00 Torr at this temperature. What is the mass of the sample of gas which was collected
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
aqueous solution given the density of the glucose solution is 1.23 g/cm^3.
The volume of HI(aq) required to reach the equivalence point : (c) The pH at the half-neutralization point. (d)The pH at the equivalence point.
calculate the molarity of an aqueous naoh solution if 30.10ml of .500m h2so4 is required to reach the end point when
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)
The total vapor pressure for a mixture with liquid mole fraction XA = 0.60 is 52.7 kPa. The vapor phase mole fraction is YA = O. 725. The excess molar enthalpy is +260 J mol-1. Calculate the molar Gibbs energy of mixing and the molar Entropy of mix..
What will be the theoretcal yield of tungsten(s) ,W, if 45.0 g of WO3 combines as completely as possible with 1.50 g of H2? WO3(s) + 3H2(g) => W(s) + 3 H2O(g)
Carbonyl fluoride, , is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, via the reaction
the element europium exists in nature as two isotopes eu-151 has a mass of 150.9209 amu and eu-153 has a mass of
MgNH4PO4.6H2O loses H2O stepwise as its is heated between 40 degree celcius and 60degree celcius the monohydrate is formed and above 100 degree celcius the anhydrous is formed what are the phosphorus percent of monohydrate and of the anhydrous mat..
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