PHYSICAL CHEMISTRY EXAM BUNDLE (COMPLETE PACKAGE)PHYSICAL CHEMISTRY EXAM BUNDLE (COMPLETE PACKAGE)PHYSICAL CHEMISTRY EXAM BUNDLE (COMPLETE PACKAGE)PHYSICAL CHEMISTRY EXAM BUNDLE (COMPLETE PACKAGE)PHYSICAL CHEMISTRY EXAM BUNDLE (COMPLETE PACKAGE)PHYSICAL CHEMISTRY EXAM BUNDLE (COMPLETE PACKAGE)PHYSI...
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State, in terms of electrons, the meaning of the term oxidising agent. [1] - ANSWER 1. Electron acceptor State two features of the current atomic model that are not shown in the Rutherford model. [2] - ANSWER 1. Nucleus containing protons and neutrons 2. Electrons in energy levels/orbitals ...
Voorbeeld 2 van de 7 pagina's
In winkelwagenState, in terms of electrons, the meaning of the term oxidising agent. [1] - ANSWER 1. Electron acceptor State two features of the current atomic model that are not shown in the Rutherford model. [2] - ANSWER 1. Nucleus containing protons and neutrons 2. Electrons in energy levels/orbitals ...
What are the 7 diatomic molecules? - ANSWER H₂, O₂, N₂, Cl₂, Br₂, I₂, F₂ How many of electrons are shared in a single, double, and triple bond? Give an example of each - ANSWER Single: 2 electrons, H₂ Double: 4 electrons, O₂ Triple: 6 electrons, N₂ Compare and contrast...
Voorbeeld 2 van de 6 pagina's
In winkelwagenWhat are the 7 diatomic molecules? - ANSWER H₂, O₂, N₂, Cl₂, Br₂, I₂, F₂ How many of electrons are shared in a single, double, and triple bond? Give an example of each - ANSWER Single: 2 electrons, H₂ Double: 4 electrons, O₂ Triple: 6 electrons, N₂ Compare and contrast...
In the compound [ICl2]+ [SbCl6]-, the oxidation number of chlorine is -1. What are the oxidation numbers of I and Sb in the compound? I Sb A +1 +5 B +1 +7 C +3 +5 D +3 +7 - ANSWER C Which statement best explains why nitrogen has a larger first ionisation energy than oxygen? A N atoms have ...
Voorbeeld 1 van de 4 pagina's
In winkelwagenIn the compound [ICl2]+ [SbCl6]-, the oxidation number of chlorine is -1. What are the oxidation numbers of I and Sb in the compound? I Sb A +1 +5 B +1 +7 C +3 +5 D +3 +7 - ANSWER C Which statement best explains why nitrogen has a larger first ionisation energy than oxygen? A N atoms have ...
Why might the emf of a cell be less than the standard electrode potential? - ANSWER Because concentration of Cu2+ is less than 1 mol dm-3 / less than standard equilibrium moves to left What is ammonia oxidised to? - ANSWER nitrogen Predict what you would see when aqueous sodium ferrate(VI)...
Voorbeeld 1 van de 3 pagina's
In winkelwagenWhy might the emf of a cell be less than the standard electrode potential? - ANSWER Because concentration of Cu2+ is less than 1 mol dm-3 / less than standard equilibrium moves to left What is ammonia oxidised to? - ANSWER nitrogen Predict what you would see when aqueous sodium ferrate(VI)...
Where is surface chemistry used? - ANSWER Surface chemistry is used in industry, wastewater treatment, as well as in research for the respiratory field of medicine in premature babies. What is an interface? - ANSWER Interface is a surface that forms a common boundary between two bulk phases. ...
Voorbeeld 1 van de 3 pagina's
In winkelwagenWhere is surface chemistry used? - ANSWER Surface chemistry is used in industry, wastewater treatment, as well as in research for the respiratory field of medicine in premature babies. What is an interface? - ANSWER Interface is a surface that forms a common boundary between two bulk phases. ...
system - ANSWER part of the universe in which we are interested open system - ANSWER can exchange energy and matter across its boundaries closed system - ANSWER can exchange energy, not matter across its boundaries isolated system - ANSWER can exchange neither energy nor matter across i...
Voorbeeld 2 van de 5 pagina's
In winkelwagensystem - ANSWER part of the universe in which we are interested open system - ANSWER can exchange energy and matter across its boundaries closed system - ANSWER can exchange energy, not matter across its boundaries isolated system - ANSWER can exchange neither energy nor matter across i...
Calculate the average atomic mass of element X if the percentage is abundant isotopes are as follow X-12 is 98.5% X-13 is 1% X-14 is 0.5% - ANSWER Average Atomic Mass = 12 X 98.5 + 13 X 1 + 14 X 0.5 / 100 = 12.02 AMU Calculate the mass of metallic cuboid with measurements 5cm, 3cm, and 1cm, if ...
Voorbeeld 1 van de 3 pagina's
In winkelwagenCalculate the average atomic mass of element X if the percentage is abundant isotopes are as follow X-12 is 98.5% X-13 is 1% X-14 is 0.5% - ANSWER Average Atomic Mass = 12 X 98.5 + 13 X 1 + 14 X 0.5 / 100 = 12.02 AMU Calculate the mass of metallic cuboid with measurements 5cm, 3cm, and 1cm, if ...
pV=nRT - ANSWER p= pressure (kpa) V= volume (L) n= number of moles (mol) R= gas constant (8.314 kpa-L/mol-K) T= temperature (K) w= -nRT ln (Vf/Vi) - ANSWER w= work (J) n= number of moles (mol) R= gas constant (8.314 kpa-L/mol-K) T= temperature (K) Vf/Vi= final volume/initial volume (L) ...
Voorbeeld 1 van de 4 pagina's
In winkelwagenpV=nRT - ANSWER p= pressure (kpa) V= volume (L) n= number of moles (mol) R= gas constant (8.314 kpa-L/mol-K) T= temperature (K) w= -nRT ln (Vf/Vi) - ANSWER w= work (J) n= number of moles (mol) R= gas constant (8.314 kpa-L/mol-K) T= temperature (K) Vf/Vi= final volume/initial volume (L) ...
Q1.Which one of the following is the electronic configuration of the strongest reducing agent? A 1s2 2s2 2p5 B 1s2 2s2 2p6 3s2 C 1s2 2s2 2p6 3s2 3p5 D 1s2 2s2 2p6 3s2 3p6 4s2 - ANSWER D Which one of the following ionisations requires less energy than the first ionisation energy of oxygen? A...
Voorbeeld 4 van de 35 pagina's
In winkelwagenQ1.Which one of the following is the electronic configuration of the strongest reducing agent? A 1s2 2s2 2p5 B 1s2 2s2 2p6 3s2 C 1s2 2s2 2p6 3s2 3p5 D 1s2 2s2 2p6 3s2 3p6 4s2 - ANSWER D Which one of the following ionisations requires less energy than the first ionisation energy of oxygen? A...
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