Avogadros number - Study guides, Class notes & Summaries
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A level chemistry paper 2 Revision Questions with Complete solutions for new updates
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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...
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A level chemistry paper 2 questions and answers latest top score.
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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...
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Chemistry AQA AS Questions 100% Correct Answers
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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...
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Chemistry 1 Final Exam questions and answers latest top score.
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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...
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Chemistry 201 Test with Questions and Correct Solutions
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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...
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Chem 102 Exam 3 Questions with Complete Solutions
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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...
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Chemistry A Level Edexcel 2023 Exam Questions And Complete Solutions
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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...
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Chapter 6: Gases
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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...
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Chemistry AS Level AQA Physical Chemistry Revision Key Words Graded A
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Chemistry AS Level AQA Physical Chemistry Revision Key Words Graded A Activation energy The minimum energy that a particle needs in order to react 
Atom economy mass of desired products/total mass of reactants x 100 
Atomic orbital A region of space where there is a high probability of finding an electron 
Avogadros constant The total number of particles in one mole of a substance or 6.022 x 10^23 
Catalyst A substance that alters the rate of a chemical reaction but is not used up in the reactio...
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CHEM 120 FINAL EXAM 2023/2024 QUESTIONS WITH 100% CORRECT ANSWERS
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CHEM 120 FINAL EXAM 2023/2024 QUESTIONS WITH 100% CORRECT ANSWERS
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