Proton donor - Study guides, Revision notes & Summaries

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS   alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance tha...

AQA A-level CHEMISTRY (7405/3) Paper 3 Mark scheme June 2023 | VERIFIED. catalyst ALLOW reduces Ea IGNORE speeds up reaction IGNORE provides alternative path IGNORE proton donor IGNORE dehydrating agent 1 Question Answers Additional comments/Guidelines Mark 1.2 electric heater/heat mantle or (hot) water bath IGNORE not with a Bunsen/naked flame / gently ALLOW hot water ALLOW heating/hot plate/ sand bath / oil bath ALLOW reference to flame/Bunsen if in context of heating a water bath ...

Micr-2123 Midterm Exam Questions with Revised Answers – UPDATED!!! The proteins of the electron transport systems are usually - Answer-located within a membrane. Which of the following forms of energy production does NOT involve the formation of a proton gradient to synthesize ATP? - Answer-Fermentation The proton motive force is a source of energy that can directly power all of the following EXCEPT the - Answer-synthesis of proteins from amino acids. Some organisms can create a sodi...

What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- Kb = ([BH+][OH-])/[B] What is the equation for pH and pOH? - ANSWERpH =...

CHEM 210 Exam 1 Review 2024 With Questions And Answers - Portage Learning. What is a BL acid? BL base? - Answer Acid is a proton donor while a base is proton acceptor List the 6 strong acids - Answer HClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - Answer LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - Answer HA <=> H+ + AKa = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - Answer B + H2O <=> BH+ + OHKb = ([BH+]...

MICR 2123 Final Okstate Tested Questions & Revised Answers All Updated Lactic acid is a byproduct of _____ and _____ fermentation. - Answer-homolactic and heterolactic During respiration, which step(s) produce(s) NADH starting from pyruvate? - Answer-both PDC and TCA produce NADH If the ETS is halted (i.e. stopped working) during respiration, for example when the cell runs out of an electron acceptor, what would be the other way of recycling the NADH? - Answer-Fermentation The proton ...

What is the Arrhenius definition of an acid/base? - correct answers acid: increases [H30+] in solution base: increases [OH-] in solution What is the Bronsted-Lowry definition of an acid/base? - correct answers acid: donates H+ base: accepts H+ What is the Lewis definition of an acid/base? - correct answers acid: e- pair acceptor base: e- pair donor What are the 7 strong acids? - correct answers HCl, HBr, HI, HNO3, HClO3, HClO4, H2SO4 (first H only) What functional group do the str...

CHEM 210 Exam 1 Review Questions With Accurate Solutions What is a BL acid? BL base? - ANSWERAcid is a proton donor while a base is proton acceptor List the 6 strong acids - ANSWERHClO4, HCl, HBr, HI, HNO3, H2SO4 List the 6 strong bases - ANSWERLiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 What is the eq. for the dissociation of a weak acid? - ANSWERHA <=> H+ + A- Ka = ([H+][A-])/[HA] What is the eq. for base hydrolysis? - ANSWERB + H2O <=> BH+ + OH- Kb = ([BH+][OH...

Accuracy - Answer the agreement of a particular value with a true value Acid - Answer a substance that produces hydrogen ions in solution; a proton donor Acid-base indicator - Answer a substance that marks the end point of an acid-base titration by changing color Acid rain - Answer a result of air pollution by sulfur dioxide Acidic oxide - Answer a covalent oxide that dissolves in water to give an acidic solution Actinide series - Answer a group of 14 elements followin...

Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated (Graded A+) The pH of a solution of 8.9 x 10-12 M NaOH is: A. 8.9 B. 8.9 x 10-12 C. 4.8 D. 11 E. 2.9 Question 1 Portage Learning CHEM 210 Module 2 Exam Questions With Answers Latest Updated 2024- 2025 (Graded A+) ABC Question 2 D E [Kw=[H+][OH-] = 1.0 x 10-14; [H+][8.9 x 10-12] = 1.0 x 10-14 ;[H+]=890; pH=-log[890]=2.9] Which attribute contributes to water’s unusual properties? The geometry of the m...