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Explain what is the fraction of association (α) for the subsequent potassium propionate solutions? Ignore activities. The Ka of propanoic acid is 1.34 × 10-5.
(a) 3.00 × 10-1 M K(C2H5CO2)
(b) 3.00 × 10-2 M K(C2H5CO2)
Determine steady-state conditions for one dimensional conduction in a plane wall having a thermal conductivity of 50 W/mK as well as a thickness L=0.25m from T1 = 50ºC to T2 = -20ºC. Find out the head flux.
How many grams of Ca(OH)2 are needed to neutralize 3.6 moles of HCl in 655 mL of solution? The molar mass of HCl is 36.46 g/mol. The molar mass of Ca(OH)2 is 74.1 g/mol.
how many moles of sodium hypobromite should be added to 1.00 of 5.0times10-2 hypobromous acid to form a buffer solution
What will happen to the equilibrium as OH- ions are added?
Can someone explain why Nuclear Fission and Nuclear Fusion processes produce large amounts of energy. The processes are clearly opposite but my understanding of the energy part is lost.
Write down the balanced chemical equation when Fe 3 O 4 reacted with carbon monoxide and calculate mass of carbon dioxide that will be produced in this reaction if 234 g carbon monoxide is reacted with excess Fe 3 O 4 ?
What is the molarity of an unknown acid if 40.5 ml of the acid can be titrated
What is the empirical formula? What is the molecular formula? How many grams of oxygen gas were used to oxidize the original 2.035 grams of compound?
what is the frequency of light needed to eject electrons from a metal is called the threshold frequency nu0. find the
respective standard reduction potentials in volts for fe2and ag are -0.44 and 0.80. determine the value of e cell
The temperature of both solutions before mixing was 22.5C and it rises to 24.28C after the acid base reaction so what is the enthalpy change for the reaction per mole of CsOH
The standard deviation of the analytical method was determined to be +/-2.3%. What is the standard deviation overall? And in order to reduce the overall standard deviation to +/- 5.0%
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