Metal hydroxides Study guides, Class notes & Summaries

What is biodiesel correct answer: a fuel comprising long-chain fatty acid methyl esters (FAMEs) derived from vegetable oils or animal fats, designated B100 and meeting standard requirements. What methods can be used to make fatty acid methyl esters (FAME's)? correct answer: -Base-catalyzed transesterification -Acid-catalyzed esterification -Saponification of the oil to yield free fatty acids, followed by acid catalyzed esterification What are fatty acids? correct answer: carboxylic ...

Chapter4 chemistry Inorganic chemistry with 100% Correct Answers | Verified | Updated What happens when Group 2 metals react ? - answerWhen group 2 metals react they lose 2 ions and have a +2 charge What is the electronic configuration of all group 2 metals - answerAll group w metals end withe S2 What happens to the ionisation energy as move down group 2 metals. - answerAs you move diwn group 2 tye ionisation energy decreases because there is more shielding (from the positive nucleus an...

ENTRANCE EXAM SEMMELWEIS | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ Electron configuration for cations Correct Answer: Subtract 1 from exponent of highest n-value orbital (ex. remove from 4s before 3d) Ag+ = [Kr]5s^1 4d^9 Electron configuration for anions Correct Answer: Add 1 to closest orbital Cl- = [Ne]3s^2 3p^6 Atomic orbitals Correct Answer: s, p, d, f Primary vs secondary structures of proteins Correct Answer: Primary - AA chain (linked by pept...

Chemistry 115 Final Exam Questions with Verified Solutions Any ionic compound containing group IA or NH4+ cations are.... Always Soluble Ionic compounds containing NO3-, NO2-, ClO3-, ClO4-, C2H3O2-, & HCO3- anions are Always Soluble Ionic compounds containing Cl-, Br-, & I- anions are soluble EXCEPT when combined with... Ag, Hg, and Pb cations Ionic compound containing SO4^2- are soluble EXCEPT when combined with... Ag, Hg, Pb, Ca, Sr, Ba Ionic compounds containing So3^2-, S^2-, CO3^2-, PO4^...

General Chemistry ACS Final Exam 89 Questions with Verified Answers Protons - CORRECT ANSWER defines the element; positive charge; equal to the atomic number Neutrons - CORRECT ANSWER equal to mass number-number of protons; neutral charge Electrons - CORRECT ANSWER negative charge; dependent on the charge of the atom Cations - CORRECT ANSWER Positively charged ions Anions - CORRECT ANSWER Negatively charged ions Isotopes - CORRECT ANSWER when the number of neutrons varies but i...

General Chemistry ACS Study Guide 69 Questions with Verified Answers Isotopes - CORRECT ANSWER when the number of neutrons varies but it has the same number of protons ex) Ne-20 and Ne-22` What was believed until the beginning of the 20th century? - CORRECT ANSWER That all physical phenomena were deterministic Light - CORRECT ANSWER Form of electromagnetic radiation What is electromagnetic radiation composed of? - CORRECT ANSWER perpendicular oscillating waves, one for the magnetic f...

Equation for Magnesium reacting with warm water - CORRECT ANSWERS-Mg(s) + 2 H2O(l) -> Mg(OH)2 + H2 much slower reaction than with steam & no flame Which group 2 metals will react with cold water to form metal hydroxides? - CORRECT ANSWERS-Calcium, Strontium, Barium Observations of group 2 metals reacting with water to form hydroxides - CORRECT ANSWERS-- Effervescence - Metal dissolves - Solution increases in temperature - White precipitate forms (less down the group) - Solution/wat...

mlpao exam review Questions and Answers 2023 . . A patient's coagulation testing results include an INR of 2.0, PT of 18.0 seconds, and PTT of 65 seconds. A physician calling for the results should be: b. Given the results of the PT, PTT and INR Extraneous organisms - enters from the outside Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Coomb's Tests - ● Combs direct- is used to detect immunogl...

Acids And Bases Lab Study Guide Test 2024. what are acids and bases according to the bronsted lowry theorem - correct answer acids are hydrogen ion donors, bases are hydrogen ion acceptors. what does the bronsted lowry theorem state - correct answer each acid has corresponding base, called the conjugate base, that is formed when acid loses hydrogen ion. what is the equation for the bronsted lowry theorem - correct answer HA + H₂O → H₃O⁺ + A⁻ acid ← hydronium conjugate base ...

Ocr a level chemistry paper 1 2023 QUESTIONS AND ANSWERS// OCR A- Level Chemistry Paper 1 2022 LATEST UPDATE Define Transition element - CORRECT ANSW-A d-block element that can form at least one stable ion with an incomplete d subshell Why aren't scandium and Zinc transition elements? - CORRECT ANSW-Cannot form stable ions with an incomplete d-sub shell. Sc 3+ has an empty d-sub shell and Zn 2+ has a full d sub shell. Name the oxidation states and coloured io...