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pH problems Organic chemistry problems IUPAC name for CH3CH2CH2CH double bond CHCH2COOH
Which exibits geometric isomerism
CH3C triple bond CHCH3CH2CH double bondCH2CH3CH double bond CHCH3
Compound A has the molecular formula C8H14. Addition of bromine to A gives a new compound B, with the formula C8H14Br4. Treatment of A with and aqueous acid gave only one product, a symmetricial diol (two alcohol groups) C, C8H18O2. C could not be oxidized with acidic permanganate. Deduce structures for A,B, and C
What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10 Exp-5
What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10 Exp-5
Calculate the pH fo a solution made by mixing 125ml of .200M HCl and 500 ml fo 0.0500M KOH
Calculate How many mL of the HCl solution was required for the titration.
You have 250.0 mL of 4.00 M sugar solution. You add 319.7 mL of water to this solution. Determine the concentration of the sugar solution after the water has been added.
A 100.-L flask contains a mixture of methane, CH4, and argon at 25C. The mass of argon present is 228 g and the mole fraction of methane in the mixture is 0.650. Calculate the total kinetic energy of the gaseous mixture.
Determine What is the ? Ssys for the process?(if it is given the specific heat capacity for ethanol is 2.42 J/g K.) express your answer in units of J/K
A solution is prepared by dissolving 270 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
calculate the molarity of a KCl solution made by disslving 52.5 g of KCl in 250 ml of water?
The activation energy for a reaction is found to be 80 kj/mol. calculate the temperature at which the rate will be ten times that of 0 deg. celsius.
Multiple choice questions in free energy change and What is the free energy change in kJ/mole?
Important information about Redox titration, How do I calculate the moles of iron (ore sample) and how do I calculate the mass percent of iron in the ore from this problem
The rate constant for a certain reaction is K = 8.90×10^-3 . If the initial reactant concentration was 0.950 M, what will the concentration be after 14.0 minutes.
What is the basis for distillation techniques used to separate two or more components and If so, this would give me the four apparatus requested.
A 20.0-mL sample of 0.800 M HBr solution is titrated with 0.800 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
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