IB Chemistry

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IB Chemistry SL UPDATED Exam Questions and CORRECT Answers
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19

juni 2024

2023/2024

A+
relative atomic mass (Ar) - Ans weighted mean of all the naturally occurring isotopes of the element (g/mol) relative molar mass (Mr) - Ans sum of Ar (no units) mole - Ans 6.02x10^-23 Empirical Formula - Ans shows the simplest whole number ratio of atoms of each element in a particular substance Molecular Formula - Ans shows the actual number of atoms of each element in a particular molecule or substance
MGRADES
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IB Chemistry: Stoichiometry UPDATED Exam Questions and CORRECT Answers
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6

juni 2024

2023/2024

A+
Stoichiometry - Ans The calculation of quantities in chemical reactions Atom - Ans the basic unit of a chemical element. Molecule - Ans A group of the same atoms bonded together Compound - Ans A substance made up of atoms of two or more different elements joined by chemical bonds Law of Conservation of Mass - Ans Matter is not created nor destroyed in any chemical or physical change
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IB Chemistry UPDATED Exam Questions and CORRECT Answers
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3

juni 2024

2023/2024

A+
exothermic reaction - Ans a chemical reaction in which heat is released to the surroundings heat - Ans Measure of total energy in a substance will depend on the amount. Always transfers or flows from a region of higher temperature to a region of lower temperature temperature - Ans the measurement of kinetic energy standard enthalpy of combustion - Ans the enthalpy change when one moles of substance is burned in excess oxygen under standard conditions
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IB Chemistry SL PASSED Exam Questions and CORRECT Answers
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7

juni 2024

2023/2024

A+
first ionization energy - Ans the energy required to remove the first electron from an atom Why do first ionisation energies increase across a period? - Ans The number of protons increase with the same number of shielding shells Why do melting points decrease down a group? - Ans The ionic/atomic radius increase and there is a smaller charge density. State an equation for the reaction of phosphorus (V) oxide, P4O10 (s), with water. - Ans P4O10 (s) + 6H2O (l) → 4H3PO4 (aq
MGRADES
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IB Chemistry exam test with 100% correct answers
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7

mei 2024

2023/2024

A+
element - correct answera substance that cannot be broken down into simpler substances. atom - correct answersmallest part of an element. compound - correct answersubstance that contains more than one element. empirical formula - correct answerthis shows the simplest whole number ratio of atoms of each element in a particle of the substance. molecular formula - correct answershows the actual number of atoms of each element in a molecule of the substance. structural formula - corre...
STUDYSAGE
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Voordeelbundel

IB CHEMISTRY BUNDLED EXAMS QUESTIONS AND ANSWERS LATEST UPDATE
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9

mei 2024
IB Chemistry - Functional Groups 100% Correct 2 Exam (elaborations) IB Chemistry Unit 2 SL Latest Version Graded A+ 3 Exam (elaborations) IB Chemistry Topic 10 Questions And Answers Graded A+ 4 Exam (elaborations) IB Chemistry SL: Topic 4 Latest Updated Verified By Experts 5 Exam (elaborations) IB Chemistry Topic 5 latest update graded A+
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IB Chemistry Unit 2 SL Latest Version Graded A+
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6

mei 2024

2023/2024

A+
IB Chemistry Unit 2 SL Latest Version Graded A+ Emission spectrum ️️An emission spectrum is produced when an atom moves from a higher to a lower level. The line emission spectrum of hydrogen provides evidence for __________________ which converge at _____________ ️️The line emission spectrum of hydrogen provides evidence for the existence of electrons in discrete energy levels which converge at higher energies. Continuous spectrum ️️All the colours / wavelengths present ...
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IB Chemistry Topic 10 Questions And Answers Graded A+
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10

mei 2024

2023/2024

A+
IB Chemistry Topic 10 Questions And Answers Graded A+ All ________ compounds contain carbon, but ____ ____ carbon containing compounds are _______. ️️organic, not all, organic Catenation ️️Carbon can form long chains and rings, linked by single, double, or triple bonds. Hydrocarbon ️️composed of only C and H atoms, the simplest organic compounds Empirical Formula ️️simplest whole number ratio of atoms in the compound Molecular formula ️️shows the actual number and ...
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IB Chemistry Topic 5 latest update graded A+
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5

mei 2024

2023/2024

A+
IB Chemistry Topic 5 latest update graded A+ Enthalpy ️️The amount of heat released (exothermic) or absorbed (endothermic) during a chemical reaction (the energy needed for the reaction to occur) This can be lowered with the presence of a catalyst. Change in Enthalpy ️️Hproducts -Hreactants Specific heat equation ️️c= q in Joules (or Change in H)/mass(g)(change in temp) Specific heat of water ️️4.18 J/gdegreesC **NOTE: Usually in kJ Endothermic v. Exothermic ️️End...
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Interview

Chemistry SL - Topic 2
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4

oktober 2023

2021/2022
Topic 4 in IB Chem SL is fully covered in details. The written notes helped the student achieve a 7 in the subject. The notes are very detailed are could help a student understand topic 2 with ease.
zahamaani2004
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