Disproportionation Study guides, Class notes & Summaries

Module 3 Model Questions And Answers State one benefit of adding chlorine to water (1) - Answer-Kills germs Suggest one possible hazard of adding chlorine to drinking water (1) - Answer-It is toxic Explain the decrease in the atomic radii across the period from Na to Cl (3) - Answer-1) nuclear charge increases 2) electron shielding remains the same 3) greater attraction to nucleus Describe and explain the trend, down the group, in the reactivity of the Group 2 elements with water (5) -...

1. According to the 2015 National Assessment of Educational Progress, what percentage of fourth-grade students have scored “basic” or”below basic” in reading? 64% nationally, with African-American and Hispanic students making up a disproportionate amount Reading comprehension is not a single construct. Rather, the ability to understand what you read relies on multiple components. Once readers become more skilled in word recognition, which of the following components increase in the...

AQA A Level Chemistry Definitions questions and answers latest top score. Relative Atomic Mass - ANS.The weighted mean mass of an atom of an element relative to 1/12 of the mass of one atom of carbon-12 First Ionisation energy - ANS.The energy required to remove an electron from each atom in one mole of gaseous atoms Acid - ANS.A species that is a proton donor Activation Energy - ANS.The minimum energy required to start a reaction by the brea...

Chemistry - Inorganic chemistry with 100% Correct Answers | Verified | Updated What are the rules for working out an oxidation state that you need to remember? - answer1. Monoatomic elements are 0 2.Identical elements are 0 3.H is always 1+ Define oxidation - answerloss of electrons Define reducing agent - answersomething that gives up an electron and itself is oxidized Define reduction - answergain of electrons Define oxidising agent - answer•Readily accept electrons •Substance th...

Chemistry - Inorganic chemistry with 100% Correct Answers | Verified | Updated What are the rules for working out an oxidation state that you need to remember? - answer1. Monoatomic elements are 0 2.Identical elements are 0 3.H is always 1+ Define oxidation - answerloss of electrons Define reducing agent - answersomething that gives up an electron and itself is oxidized Define reduction - answergain of electrons Define oxidising agent - answer•Readily accept electrons •Substance th...

CHEM120 Week 5 Assignment: Redox and Organic Chemistry – With 100% Correct Answers- Download To Score An A+ 1. For the following redox reactions, determine what is oxidized and what is reduced: ( each, 2 points total) 3 Hg2+ + 2 Fe (s) Fe oxidized, He reduced 2 As(s) + 3 Cl2(g) Cl reduced, As oxidized 3 Hg2 + 2 Fe3+ 2 AsCl3 2. List and describe 3 common things that occur during oxidation-reduction reactions (1.5)? 1. Combustion- flames (not explosions) 2. Disproportionation- simultaneous reduc...

Page path • CHEM101_MH_V4 • Topic 16: Nonmetallic Elements and Organic Chemistry Started on Thursday, March 24, 2022, 11:12 AM State Finished Completed on Thursday, March 24, 2022, 11:48 AM Time taken 36 mins 25 secs Grade 110.40 out of 115.00 (96%) Question 1 Correct 4.60 points out of 4.60 Flag question Question text What is ΔS° at 298 K for the following reaction? Fe2O3(s) + 3CO(g) → 3CO2(g) + 2Fe(s) Substance ΔG°f(kJ/mol) ΔH°f(kJ/mol) Fe2O3(s) –741.0 –822.2 ...

A Level Edexcel Chemistry - Topic 3 - Redox 1/I Fully updated notes providing drop down answers to self made questions designed from numerous textbooks and exam mark schemes. During my revision, I created these drop down questions and answers by extracting the key information needed to achieve top marks in exams. I achieved a high A* using only these notes. Notes for all other topics have been released on my page :) Hope I can help!

Unit 3 - Redox I detailed notes covering all the specification points. These notes allowed me to achieve an A* in chemistry. Includes relevant equations and steps to write and understand half-equations.

YORK COLLEGE/CUNY Chemistry 108 Exam 2 Part I: Multiple Choice (60 pts) 1. What is the molecular mass of Br2? A) 79.90 amu B) 79.90 g C) 159.8 amu D) 159.8 g E) 2.65 x 10-22 amu 2. Which one of the following does not represent 1.000 mol of the indicated substance? A) 6.022 × 1023 C atoms B) 26.00 g Fe C) 12.01 g C D) 65.39 g Zn E) 6.022 × 1023 Fe atoms 3. Boron obtained from borax deposits in Death Valley consists of two isotopes. They are boron-10 and boron-11 with atomic masse...