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Explain A solution containing 25 mL of ammonia at unknown concentration is titrated to the equivalence point using 23.24 mL of 0.23 M HCl. Define what was the original concentration of the ammonia solution?
What is the maximum amount of carbon dioxide that can be produced by the combustion of 0.450g of C2H5OH?
Predict the number of chemically shifted (1)H peaks and the multiplet splitting of each peak that you would observe for diethly ether.
what quantity of heat is required to vaporize 107g of benzene, c6h6, at its boiling point, 80.1c? the heat of vaporization is +30.8kj/mol.
determine the freezing point depression of a solution that contains 30.7 g glycerin c3h8o3 molar mass 92.09 gmol in
If .75% of the Si atoms are removed during the treatment in part (c), how many moles of HF are required per wafer assuming 100% reaction yield
How many mL of a .175 M FeCl3 solution are needed to make 250 mL of a solution that is .300 M in Cl- Ion
Fluorine-18 is a radioisotope widely used in positron emission tomography to investigate brain activity. The half-life is 109.8 minutes. How long will it take for 2.75 ug of 18F to decay to 500 ng
Suppose a reaction has a standard Gibbs-free energy of 2.90 kJ/mol, calculate the relative ratio of product to reactant.
Calculate the activity for CS2 at mole fraction= .722 for a Henry's Law standard state using the following data: 446.9 Torr and kH(CS2)=1750 Torr
When the following reaction is balanced in acid solution using the lowest possible whole number coefficients, the coefficient of Cl2(aq) will be: Cl-(aq) + MnO4-(aq) ---> Cl2(aq) + Mn2+(aq)
a first-order reaction had a rate constant k of 0.0123 1s. if the initial concentration of reactant is 1.25m what
Determine the entropy of an ideal gas with cp=(7/2)R,between the following states: P1=1bar,T1= 300K, P2= 0.5bar, T2= 500K
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