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Calculate the wrong with the reaction as written below? What would you expect to occur?
Estimate the equilibrium constant K? In the reaction A → 2B, the initial concentration of A was 0.400 mol/L and that of B was 0 mol/L. At equilibrium the concentration of A was
Determine the pH of 0.1 M amino acid Glycine (H2NCH2COOH),which has two equilibrium constants, one for -NH3 group and one for the -COOH group. pKa for NH3= 9.778 and pKa for COOH is 2.350.
A sample of a mixture which is having the Na2CO3 and inert impurities is titrated with HCl, requiring the V ml to reach the phenolphthalein end point and a total of 4V ml to reach the modified meth
The filtered precipitate is dissolved in acid the solution is heated and the oxalate is titrated with 0.001 M KMnO4, requiring 4.94 ml, the calcium in a 5.00 ml serum sample is precipitated asCaC2O4
Determine the crossover temp for this reaction where the reaction changes from the spontaneous to non-spontaneous?
Explain what would be the equation for the reaction of 1 mol sulfuric acid with 1 mol calcium hydroxide? Determine the hydrogen ion concentration of a solution that has a pH of 4?
Discuss what would be the effect of carrying out the sodium iodide in the acetone reaction with the alkyl halides by using an iodide solution half as concentrated?
Determine the minimum amount of zinc that would be required for the standard voltaic cell: Zn|Zn2+||Cu2+|Cu to obtain the same electric energy?
Is the reaction spontaneous under standard-state conditions at the 25°C? Explain. Determine the equilibrium constants Kp and Kc for the reaction at the 350 K?
Which of the following intermediates is present in the acid-catalyzed hydrolysis of t-butyl acetate but not in the acid-catalyzed hydrolysis of methyl acetate?
Calculate the three major components of dry air and give the approximate (nearest whole number) percentage by the volume of each what weather conditions characterize the photochemical smog
Ethane gas, C2H6, burns in the air and forms the water vapor and carbon dioxide. Balanced the following equation: 2CcH6 + 7O2--> 4CO2 + 6H2O
The water levels inside and outside the eudiometer are the same. A eudiometer contains a 65.0ml sample of a gas collected by the displacement of water.
Determine the numbers of grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? Explain what volume it will occupy at the S.T.P. if a gas occupies 80.0ml at 100' C and 700 mmHg
Evaluate the ΔG reaction for metabolism of 1 mole glucose.Determine the numbers of moles of ATP can be formed by metabolism of 1mol of glucose?
The molecular formula is C7H16O and the IR peaks are at 979.98, 1101.49, 1155.51, 1385.07, 1469.94,2876.23, 2961.11 and 3391.29 wave numbers
What is the pH of a 0.25 mol/L water solution of potassium hexafluoro phosphate, KPF6 when the hydrogen hexafluoro phosphate, HPF6,is a strong acid.
Determine what ion is responsible for the properties of acidic solution in the water. Determine what ion is responsible for the properties of basic solution in the water
The conversion of ketones and aldehydes to imines is an acid-catalyzed process. Discuss why this conversion is actually hindered by the presence of too much acid.
Discuss how their melting points are related to the bonding forces and the crystal structure: NaCl, Sodium chloride and Diamond, C
The Cis also double bonded with the O. The compound: HOCH2CH2CH2CHCH . This compound can form a hemiacetaly by reacting with itself in the solution. Determine the structure of this hemiacetal?
Into a ballistic pendulum a 15.0 g bullet is fired at 840 m/s consisting of a 24.0 kg bag of sand. The bag rises to a height of 80 cm. The energy changed from kinetic to potential to thermal. Deter
Given the following information: 3Fe(s) + 4CO2(s) > 4CO(g)+ Fe3O4(s) ΔH = 12.5 Fe2O3(s) + 3CO(s) >2Fe(s) + 3CO2(g) ΔH = -28.0kj
In a string of amino acids or peptide, determine how can you find out the charge of the peptide at a specific pH? Is there a specific equation?