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Standard molar entropies, S^o, in J/Kmol, are given below each reactant and product in the reaction shown below. The standard entropy of reaction, deltaS^o, for this reaction is _________J/K. S(s,rhombic)+O2(g)----SO2(g) 31.8, 205.0, 248.1 respectively
Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants: ka1= 5.9*10^-2, ka2=6.4*106-5 Calculate the equilibrium concentration of HC2O4^- in a 0.20 M solution of oxalic acid.
what is the freezing point of an aqueous solution that has 25.0 g of glucose, C6H12O6 per 100.0g H2O (Kf=186C/M)
Consider the titration of 30.0mL of 0.050M NH3 with 0.025M HCl. Calculate the pH after the following volumes of titrate have added.
mass is obtained in the reaction, what mass of S2O3^2- was present initially, assuming the reaction went to completion? the density of the HSO3^- solution is 1.45 g/cm^3
An "A" group metal (M) reacts with chlorine and oxygen to form ionic compounds with the formulas MCl4 and MO2. Propose a possible identity for the metal M. Explain your reasoning.
Draw complete lewis structure of condensed structural formula. (CH3)3(3 is a subscript)CCOCHCH2
if i have 0.621 mole of potassium chlorate that decomposes by heat, what is the amount of the oxygen in moles?
If the pH at the beginning of a titration was 4.25 and 9.60 at the equivalence point. What is the pH at the half equivalence point.
The Cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 *C. Determine the amount of heat, in Joules, lost by the copper block
In the intermembrane space, attached to the inner mitochondrial membrane. C. In the intermembrane space, attached to the outer mitochondrial membrane D. On the cytosolic side of the outer mitochondrial membrane E. Freely diffusible throughout the ..
Synthesized a new compound one which has never beenprepared. How would you determine its mp? What precautions could take to insure that it is as accurate as possible?
a calorimeter contains 25.0 of water at 14.0. when 1.80 of a substance with a molar mass of 82.0 is added it dissolves
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