Sulfate ion - Study guides, Class notes & Summaries

density formula - Answer-D=m/v Celcius to Kelvin - Answer-K=C+273 Ideal Gas Law Equation - Answer-PV=nRT Filtration - Answer-a difference in phase (solids and liquids) or (liquid and gases) Distillation - Answer-A process that separates the substances in a solution based on their boiling points compound rule #1 - Answer-combines a metal and nonmetal 1. Name the metal first 2. Name the nonmetal second 3. Add -ide suffix to the nonmetal compound rule #2 - Answer-combines 2 nonmetals 1. ...

Certified Crop Advisor Terms and Guidelines Final cert exam Acid Soil: - CORRECT ANSWER-A soil that has a pH value of less than 7.0. Aerobic: - CORRECT ANSWER-A condition identified by the presence of oxygen. Agronomic Nutrient Rate: - CORRECT ANSWER-Agronomic Amount of nutrients required by a crop for an expected yield, after all soil, water, plant, and air credits are considered. Alkaline Soil: - CORRECT ANSWER-A soil that has a pH value greater than 7.0. Ammonium (NH4+): - CORRECT ...

Henderson-Hasselbach Equation Ans- pH = pKa + log ([A-] / [HA]) Salting Out (Purification) Ans- Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography Ans- Separates sample based on size with smaller molecules eluting later. Ion-Exchange Chromatography Ans- Separates sample based on charge. CM attracts +, DEAE attracts -. May have repulsion effect on like charges. Salt or acid ...

REHS Exam Questions and Answers Already Graded A Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? a. fecal streptococci b. eschericha coli c. aerobacter aerogenes d. clostridium sporulates clostridium sporulates The presence of which of the following is most easily identified by laboratory analysis in water contaminated by feces? a. shigella dysenteriae b. coliform c. entamoeba histolytica d....

REHS Exam Questions with Complete Solutions | 2024 Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? a. fecal streptococci b. eschericha coli c. aerobacter aerogenes d. clostridium sporulates - Answer️️ -clostridium sporulates The presence of which of the following is most easily identified by laboratory analysis in water contaminated by feces? a. shigella dysenteriae b. coliform c. en...

Henderson-Hasselbach Equation Ans- pH = pKa + log ([A-] / [HA]) Salting Out (Purification) Ans- Changes soluble protein to solid precipitate. Protein precipitates when the charges on the protein match the charges in the solution. Size-Exclusion Chromatography Ans- Separates sample based on size with smaller molecules eluting later. Ion-Exchange Chromatography Ans- Separates sample based on charge. CM attracts +, DEAE attracts -. May have repulsion effect on like charges. Salt or acid ...

REHS Practice Test Questions and Answers 100% Accurate Soil permeability procedure involves evaluating a soil core or test pit. What does the procedure yield? a. Permeability estimated seepage rate b. Permeability estimated application rate c. Permeability estimated range b. Permeability estimate How does chlorine kill microorganisms and bacteria? a. By weakening enzymes and destroying internal organelles b. By attacking lipids in cell walls and destroying enzymes and structure...

Ammonium ion Ξ -:- NH₄⁺ Nitrate ion Ξ -:- NO₃⁻ Nitric Acid Ξ -:- HNO₃ Covalent bond Ξ -:- A covalent bond is the strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms Dative covalent bond Ξ -:- A dative covalent bond is a shared pair of electrons where both electrons are from the same atom Cyanide ion Ξ -:- CN⁻ Shape of molecule with *2* bonded electron pairs Ξ -:- Linear, 180 ° Shape of molecule with *3* bonde...

International Certified Crop Adviser- Nutrient Management Terms Questions And Verified Answers Acid Soil - ANS A soil that has a pH value less than 7.0 Aerobic - ANS A condition identified by the presence of oxygen Agronomic nutrient rate - ANS Amount of supplemental nutrient required by a crop for a realistic yield goal (yield potential), after all the soil, water, plant, and air credits are considered. Agronomic rates consider nutrient credits from all soil tests, legumes, manure...

NACE CP2 STUDENT MANUAL CHAPTER 1: CORROSION THEORY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Oxidation of the metal occurs at the ____ surfaces and reduction of ____ ions occurs at the ____. A) anodic, hydrogen, cathode B) cathode, OH-, anodic C) anodic, OH-, cathode D) cathode, anodic, electrolyte E) cathode, hydrogen, electrolyte a At the cathodic surface in a corrosion cell, the electrons from the ____ meet ____ ions from the solution. A) cathode, hydrogen ...