Avogadros number - Study guides, Class notes & Summaries

A-Level Edexcel Mathematics Pure Maths Paper 1 2023 (Summer 2023) How do you make tertiary chloroalkanes? - ANS-Tertiary alcohol + concentrated HCl How do you make bromoalkanes? - ANS-Alcohols + HBr or PBr3 What compound is used to oxidise alcohols? - ANS-Acidified potassium dichromate (can be used to distinguish between types of alcohols) What does a primary alcohol oxidise to? - ANS-first: aldehyde second: carboxylic acid What does a secondary alcohol oxidise to? - ANS-Ketone Why ...

What is the charge of a proton? - ANSWERS +1 What is the charge of a neutron? - ANSWERS 0 What is the charge of an electron? - ANSWERS -1 What is the mass of a proton? - ANSWERS 1 What is the mass of a neutron? - ANSWERS 1 What is the mass of an electron? - ANSWERS 1/1800 What is an isotope? - ANSWERS Isotopes of an element are atoms with the same number of protons but different numbers of neutrons. Why do isotopes of an element all have the same chemical properties? - ANSWERS This is...

Silver nitrate+ nitric acid + chloride ions - Ans .White precipitate Silver nitrate+ nitric acid + bromide ions - Ans .Cream precipitate Silver nitrate+ nitric acid + iodide ions - Ans .Yellow precipitate Substances that decolorise bromine water - Ans .Alkenes Electrophiles - Ans .Electron pair acceptors, attracted to electrons e.g H+ NaF and NaCl - Ans .Produces misty fumes with conc sulphuric acid NaBr - Ans .Produces misty and orange/brown fumes with conc sulphuric acid NaI - A...

Avogadro's Number - ANSWER-6.022 x 10²³ particles Ideal Gas Law - ANSWER-PV = nRT P = Pressure (atm) V = Volume (Liters) n = Moles R = Gas Constant (.082) T = Temperature (Kelvin) Celsius to Kelvin Conversion - ANSWER-C⁰ + 273 = K STP - ANSWER-Standard Temp and Pressure: 1 atm and 273 Kelvin Velocity/Speed - ANSWER-V = √(3RT/M) R = 8.314 M = Molar Mass Density - ANSWER-m/V = Density = (P/RT)M M = Molar Mass What are dispersion forces a result of? - ANSWER-fluct...

A level chemistry paper 2 questions and answers latest top score. Silver nitrate+ nitric acid + chloride ions - ANS.White precipitate Silver nitrate+ nitric acid + bromide ions - ANS.Cream precipitate Silver nitrate+ nitric acid + iodide ions - ANS.Yellow precipitate Substances that decolorise bromine water - ANS.Alkenes Electrophiles - ANS.Electron pair acceptors, attracted to electrons e.g H+ NaF and NaCl - ANS.Produces misty fumes wi...

Chemistry AQA AS Questions 100% Correct Answers Mass number -ANSWER Total number of protons and neutrons. Atomic number -ANSWER Numbers of protons in the nucleus and number of electrons in shells. Negative Ions -ANSWER More electrons than protons. Positive ions -ANSWER More protons than electrons. Relative isotopic mass -ANSWER mass of an atom of an isotope of an element on a scale where an atom of carbon12 is 12. Relative atomic mas...

Chemistry 1 Final Exam questions and answers latest top score. Matter - correct ing that occupies space and has mass mass - correct amount of matter in an object pure substance - correct nts and compounds that cannot be broken down mixtures - correct nations of two or more substances that can be separated or physically mixed heterogeneous mixture - correct uniform composition ex: trail mix homogeneous mixture - correct rm composition ex: salt water qualit...

atomic # - number of protons mass # - number of protons and neutrons isotopes - atoms with the same atomic number but different mass numbers cation - a positively charged ion anion - a negatively charged ion periods - horizontal rows of the periodic table groups (families) - vertical columns of the periodic table avogadros # - 6.022×10²³ molecular weight (molar mass) - the mass in grams of one mole of a compound theoretical yield - maxi...

Chemistry A Level Edexcel 2023 Exam Questions And Complete Solutions Mass spectrometry - ANSWER using lasers to ionise atoms into cations, then measure the abundance and mass using their mass-to-charge ratios Mass to charge ratio - ANSWER the mass of an ion divided by its charge (usually +1 in mass spectrometry) units: m/z relative atomic mass - ANSWER the average mass of an atom of an element relative to 1/12 of an atom of the isotope C-12 relative isotopic mass - ANSW...

This is for chapter 6 or any chapter that goes over this topic. It's a slide done in class and has notes over what's important or anything you may need to know for this topic on chemistry apart from having very summarized information making everything very easy to learn. This document just had a lot of important notes, important definitions, and lots of examples, and everything is clean and well-made in order to keep everything from being confusing as long as you understand everything up un...