The amino acid glutamine has the empirical formula C5H10N2O3. Determine the carbonaceous ThOD of a solution of 100 mg/L glutamine in pure water.
The amino acid glutamine has the empirical formula C5H10N2O3. Determine the carbonaceous ThOD of a solution of 100 mg/L...
Calculate the NBOD, CBOD, and ThOD of a waste containing 100 mg/L NH3-N and 100 mg/L isopropanol (C3H7OH) and 100 mg/l of methylamine (CH3NH2).
Experiment 7 Empirical Formula Objectives: Determine the expected formula for the ionic oxide expected when Mg reacts with O2 Find the theoretical and actual yields of magnesium oxide Evaluate results using stoichiometry and error analysis Introduction: The goal of this experiment is to determine the Empirical Formula of a Compound. (The Empirical Formula of a Compound is the simplest whole number ratio between the elements of a compound) If one can synthesize a compound from elements, then it is possible...
Draw a structural formula for the major ionic form of the amino acid shown below when in aqueous solution at pH 11.0. H2NCCH2CH2CHCoH t NH3 glutamine Draw a structural formula for the major ionic form of the amino acid shown below when in aqueous solution at pH 11.0. H2NCCH2CH2CHCoH t NH3 glutamine
Calculate the theoretical oxygen demand for a 130 mg/L aqueous solution of lactic acid (C3H6O3). Calculate the equilibrium concentration of dissolved oxygen in 25°C water at sea level (p = 1.00 atm), and again at 4000 m elevation in 5°C water. [Use the exponential p vs. z equation, not the empirical formula.]
4. Calculate the pH of a solution of pure water containing 1.0 mg/L of sulfuric acid.
Suppose a water sample contains 150 mg/L of Glutamic acid (CSH904N). Assume the following reactions apply: + () O2 202 (CO2+ () H20 + () NH3 NOs H +H20 CSH9O4N NH3+ (a) Balance the first reaction. (b) Determine the theoretical carbonaceous biochemical oxygen demand (CBOD) Determine the theoretical nitrogenous biochemical oxygen demand (NBOD) (c) Find the total theoretical (CBOD + NBOD) oxygen demand. Ans: 212 mg/L Suppose a water sample contains 150 mg/L of Glutamic acid (CSH904N). Assume the following...
A chemist dissolves 333.mg of pure nitric acid in enough water to make up 100.mL of solution. Calculate the pH of the solution. Be sure your answer has the correct number of significant digits.
Ibuprofen is a weak acid with a solubility in water of 21 mg/L and a pKa of 4.91. What is the pH of a saturated solution of ibuprofen in water? The chemical formula of ibuprofen is C13H18O2.
Consider a 0.203 L solution of the amino acid aspartic acid (0.615 M), which has an alpha carboxylic acid group (pka = 2.10), an alpha amine group (pka = 9.82), and a carboxylic acid group in the side chain (pka = 3.86). If the titration is started at a very low pH, how many liters of 2.15 M NaOH would you need to add to reach the isoelectric point of the amino acid? Give your answer to 3 significant figures...
Question 2 A clarified wastewater containing 5 mg/L NH3-N is to be breakpoint chlorinated. The water has an alkalinity of 100 mg/L as CaCOs. Determine i. The stoichiometric requirement for Cl2. ii. If the water is sufficiently buffered. The increase in dissolved solids to be expect. [15 marks) Question3 The pH of a 0.1 Msolution of sodium bicarbonate is adjusted to 7.0 with a strong acid. A 100 mL portion of this solution is obtained, and to this volume 100...