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A quantity of 0.20mole of carbon dioxide was heated to a certain temperature with an excess of graphite in a closed container until the subsequent equilibrium was reachedC (s) +CO2(g) ⇔ 2CO(g)Under these conditions the average molar mass of the gases was 35 g/mol. (A) Compute the mole fraction of CO and CO2. (B) Explain what is the value of KP if the total pressure is 11atm?
a photon of wavelength 40.0nm is used to eject an electron with the energy 22.3eV from a molecule.calculate the ionization energy of the molecule and tha associated wavelength of the elctron..
If the amount of gas collected had not been corrected for the presence of water vapor,what effect would this have had on the calculated value of actual moles of hydrogen
A 5.95-g sample of AgNO3 is reacted with BaCl2 according to the equation to give 3.21 g of AgCl. What is the percent yield of AgCl? AgNO3(aq) + BaCl2(aq) --> AgCl(s) + Ba(NO3)2(aq)
Write detailed mechanism for the formation of ethyl acetate from ethanol and acetic acid with H2SO4 as a catalyst
Which absorption band is more intense; a band due to a single S-O bond or a band due to a single Si-C bond? 2) Compound A (C21H32) decolorizes a solution of bromine in CCl4
In Europe, gasoline efficiency is measured in . If your car's gas mileage is 38.0 , how many liters of gasoline would you need to buy to complete a 142- trip in Europe. Use the following conversions:
A sample of N2 gas occupies 2.40 L at 20°C. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L
for the diatomic molecule f-br the following values are knownallen-scale electronegativities f 4.193 br 2.685bond
How many grams of Na2CO3 Standard must be used if the titration is expected to require 40 mL of 0.1 M HCl titrant?
Calculate the microwave energy in Joule per photon and in Joule per mole of photon (J/mol). (b) How many moles of microwave photon must be absorbed by 1.0 g of water to raise its temperature by 1.0 ºC?
If 376 cm3 Of Gas Is Compressed To A Volume Of 0.0457 cm3 Under A Pressure Of 3.21 KPa, What Was The Original Gas Pressure?
A buffer is prepared by combining 25 mL of .50 M NH3(aq) with 25 mL of .20 M HCl. What is the pH of the buffer? (Ka(NH4^+)=5.6 x 10^-10)
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