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In the Fischer esterification of benzoicacid, the methyl alcohol is present in excess over the amount needed. Calculate the amount of methyl alcohol that is required by the balanced reaction. The total amount of methyl alcohol used ishow many times greater than that required (moles used/molesrequired)?
In the formation of smog, nitrogen and oxygen gas react to form nitrogen dioxide: N2 (g) + 2O2(g) ---> 2NO2 (g). How many grams of NO2 will be produced when 1.7L of nitrogen at 810 mmHg and 24C are completely reacted
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) Kc=53.3 At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present ..
Magnesium metal reacts with HCl solution, liberating H2 gas and generating Mg2+ cations in solution. A 2.530-g sample of Mg metal is added to 50.0 mL of a 4.00 M HCl solution, and the reaction goes to completion. How many grams of H2 are formed
A 9.445g sample of a mixture of CuSO4 5H20 and BaCl2 2H20 is found to have excess SO4^2- ion upon mixing with water and 3.749g BaSO4 is isolated. What mass of BaCl2 H2O was used to make the BaSO4 isolated
KCN is dissolved in water in a calorimeter that has a total heat capacity of 2.294 kJ·K-1, the temperature decreases by 0.470 K. Calculate the molar heat of solution of KCN.
what wavelength of light in nm is absorbed by a ground state hydrogen atom could cause an electron to transition to n=3
Describe the preparation of 40 liters of 0.02 M , pH 6.9, starting from a 2 M H3PO4 solution and a 1 M KOH solution
considering the given reaction nog o3g-no2g o2g and determine the rate constant for the reaction at 75 degreesnbspif
Pb atom is ionized using a photon of ultraviolet radiation having an energy of 1.86E-18 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
What is the composition of the vapor of a pentane-hexane solution that has a vapor pressure of 411 torr at 25C
During TLC, if a solvent of too low polarity is used; the components will stay absorbed to the silica gel and not move from the starting point. Why does this occur
a 51.0 g sample of ethylene glycol hoch2ch2oh is dissolved in 540.0 g of water. the vapor pressure of water at 32degc
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