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Which of the following is the strongest acid? Choose from:HC6H5O (Ka = 1.3 x 10-10 ; molar mass = 94.11 g/mol)HCN (Ka = 4.9 x 10-10 ; molar mass = 27.03 g/mol)HCHO2 (Ka = 1.8 x 10-4 ; molar mass = 46.03 g/mol)HNO2 (Ka = 4.6 x 10-4 ; molar mass = 47.01 g/mol)HClO (Ka = 2.8 x 10-8 ; molar mass = 52.46 g/mol)
What is the conjugate acid of OH-? Choose from:H2ONaOHH3O+HClCOOH
Which of the following compounds will produce an acidic solution when dissolved in water? Choose from:NH4ClKCNKOHNaClNaF
What is the OH- (hydroxide ion) concentration in a solution with pOH = 2.45? Choose from:3.5 x 10-3 M3.9 x 10-1 M4.1 x 10-15 M11.55 M2.45 x 10-7 M
What is the pH of a 0.200 M HBrO solution? (Ka for HBrO = 2.8 x 10-9) Choose from:4.639.253.934.280.70
find out the ΔH rxn for the given reaction as C 3 H 4 (g) + 2 H 2 (g) → C 3 H 8 (g)
Celsius and heated to the temperature of 275 degree Celsius at a constant pressure of 0.975 atm. compute the work done?
Determine what is the total mass of glucose in 5.10L of blood If a person has a glucos level of 108 mg.100mL, ? express your answer in grams?
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
compute the water volume that is released upon its total metabolism to carbon dioxide and H 2 O, taking into account any oxidative phosphorylation that might occur.
For the 3 wood preservatives noted, would acidic vs. alkaline soil or water conditions cause more (or less) leaching or dissolution of these compounds. How do these compounds actually leach out of wood into the environment?
Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions.
The temperature is increased to 45 degree celcius then determine what is the pressure in the cylinder
4.00g of H2SO4 solution was diluted with H2O and added with excess of cacl2, and The washed and dried precipitate of BaSO4 weighted 4.08g. Calculate percent H2SO4 in the original acid solution.
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