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Explain what would the potential of standard hydrogen (S.H.E.) electrode be if it was under the subsequent conditions?
[H+] = 0.21MPh2 = 1.8atmT = 298KV= ?
You already have a solution that contains 10 (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The pKa of acetic acid is 4.74.
To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation G0 = H0 - TS0 For this reaction the values are H0 = +88.3 kJ/mol and S0= 151.3 J/mol*K
Circles, blocks, and triangles represent atoms.
A 14.7-g ice cube is placed into 324 g of water. Calculate the temperature change in the water upon complete melting of the ice. Determine how much heat is absorbed by the melting ice and then use q = mC?T to calculate the temperature change of the..
Heptane (C7H16) and octane (C8H18) are constituents of gasoline. At 80.0 ?C, the vapor pressure of heptane is 428 mmHg and the vapor pressure of octane is 175 mmHg.
Calculate the amount of heat required to heat a 3.5 kg gold bar from 21 degrees celsius to 67 degrees celcius.
in the experiment sodium bisulfite solution is added at the end in order tonbsp destroy the unreacted bromine. what
A sample of an unknown gas effuses in 11.9 min. An equal volume of H2 in the same apparatus at the same temperature and pressure effuses in 2.19 min. What is the molar mass of the unknown gas
what is the molar mass of a gas which has a density of 1.16g.l-1. at stp ? if this gas is a hydrocarbon with 92.2carbon
List the following gas phase ion pairs in order of the quantity of energy released when they form from separated gas-phase ions. Start with the pair that releases the least energy.
The mixture of hot iron and aluminium is dropped into a beaker containing 100 g of water at 15 oC. What is the final temperature of the liquid water
If the solution had 100mg of trans-lycopene in it, how many moles of elemental bromine would be required to completely react at all possible reaction sites? How many total stereocenters are formed. How many different products are there
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