A certain reaction has the following reaction constant values at various temperatures: k, min¹ T, °C 3.50 x 10-5 0 6.76 x 10-4 20 7.11 x 10-² 40 4.06 x 10-² 60 What is the activation energy (expressed in kJ/mol) of this reaction? Answer with one decimal place, without the unit L
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- kindly prepare an assignment on Application of HPLC in Drug Analysis: one page show name of the drug, dosage form, extraction step, type of column, separation parameters e.g., flow rate, mobile phase, detection wavelength and run time. Submit before 05.11.Lactated Ringer’s/5% Dextrose solution contains: 6 g/L of Sodium Chloride (NaCl MW 58.5) 3.1 g/L of Sodium Lactate (C3H5O3Na MW 112) 0.3g/L of Potassium Chloride (KCl MW 74.5) 0.2g/L of Calcium Chloride (CaCl2•2H2O MW 147) 50g/L of Dextrose (C6H12O6 MW 180) You receive an order to increase the Potassium ion concentration to 0.045 mEq/mL. How many mL of 14.9% Potassium chloride injection should be added to 1L of the above solution to increase the potassium ion concentration to 0.045 mEq/mL ____________________mL 14.9% KCl injectionHere is a use objective for a chemical analysis to be performed at a drinking water purification plant: “Data and results collected quarterly shall be used to determine whether the concentrations of haloacetates in the treated water demonstrate compliance with the levels set by the Stage 1 Disinfection By-products Rule using Method 552.2” (a specification that sets precision, accuracy, and other requirements). Which one of the following questions best summarizes the meaning of the use objective?(i) Are haloacetate concentrations known within specified precision and accuracy?(ii) Are any haloacetates detectable in the water?(iii) Do any haloacetate concentrations exceed the regulatory limit?
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