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7.39 mmol of base was used when titrating 432 mg of a monoamine monocarboxylic amino acid from pH 0.8 to 12.0. What is the name of the amino acid
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0g of luminol to H2O creating a solution with a total volume of 75.0 mL.
3.8 g of a hydrocarbon fuel is burned in a calorimeter that contains 234 grams of water initially at 25.00 ? C. After the combustion, the temperature is 26.55 ? C
If 355 mL of hydrogen gas is collected over water at 25C at a total pressure of 751 mmHg, how many grams of Zn reacted?
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
A second-order reaction of the type A+2Bâ†'P was carried out in a solution that was initially 0.050 mol dmâˆ'3 in A and 0.030 mol dmâˆ'3 in B. After 1.0 h the concentration of A had fallen to 0.010 mol dmâ
Differences in boiling points, Rationalize the difference in boiling point between the members of the following pairs of substances:
how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?
Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl.
write equations for the chemical reactions that occurred between the aqueous solutions of the oxides of sulfur and calcium and between the aqueous solutions
Determine pH of the solution....ICE table..Henderson HasselBach equations, Using a ICE table (initial change equilibrium) a)Calculate the pH of solution that is 0.175M in acidic acid(HC2H3O2) ans 0.110Min potassium Acetate(KC2H302)
Show the calculation for the moles of benzaldehyde, the moles of acetone, the theoretical yield of dibenzalacetone in grams, and the calculation for the % yield of the product (dibenzalacetone). Also indicate which reagent is the limiting reagent.
Assuming the vinegar solution has a density of 1.01 g/ml calculate the percent by weight of acetic acid in your sample of vinegar. How does that value compare with 5 percent the value for the percent acetic acid in normal vinegar? I had 10.0ml of ..
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