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The heat capacity of PbO is given by: C(J/K-mol) = 44.35 +0.00167 T p,m compute the change in enthalpy of solid lead oxide, if it is cooled at constant pressure from 500 K to 300 K. v,m
Compute the concentrations of all species in a 0.900 M sodium sulfite solution. If it is given that the ionization constants for H2SO3 are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
If the reaction is first order in A and second order in B, what is the rate when the initial concentration of A = 2.30 mol/L and that of B = 2.03 mol/L
use charles law to solve for the missing value of each of the followinga 80.0 ml t1 27 degrees c t277 degrees c. v2
For the reaction given below, the frequency factor A is 8.7 1012 s-1 and the activation energy is 63 kJ/mol.
Given the values of Ka and Kb below, which of the systems given would be most suitable to use to construct a buffer of pH 9 and WHY
Calculate the pH of a buffer that contains 0.270 M hydrofluoric acid (HF) and 0.180 M cesium fluoride (CsF). The Ka of hydrofluoric acid is 6.8 x 10^-4.
How many moles of Cl2 can be produced from the given mass of HCl. c. Which reactant is the limiting reactant? d. What is the maximum amount of Cl2 that can be produced by this reaction e. Calculate the amount of excess reactant.
explain what would happen if you failed to achieve complete precipitation of the Lead in procedure 2(separation of silver and Lead ii ions as chlorides), Explain how this might impact your results
Given the stepwise formation constants for Zn(NH3)4 complex are logKf1=2.18 , logKf2=4.43 , logKf3=6.74 , logKf4=8.70 and the pKb fo ammonia is 4.76.
Calculate the molar heat (enthalpy) of combustion for butyric acid.
Methyl nitrite, CH3NO2, a gas at room temperature, is reacted with phenol, C6H6O, to give nitrophenol, in a reaction shown below.
What is the importance of chemistry to agriculture, Write summary of total one page and include references as well.
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced
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