Intramolecular forces Study guides, Revision notes & Summaries

What phase change is taking place if DHsub = 26.1 kJ/mol is being used to calculate the heat involved in the process) 1)Liquid to solid 2) Gas to solid 3) Solid to liquid 4) Liquid to gas 5) Solid to gas 3 Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in laboratories in which it is used. How much energy is released when 10 g is cooled from 50.0°C to 10.0°C...

In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A.Hydrogen bonding B.Solute concentration C.Stationary phase concentration D.Thickness of paper B and D are dumb options. Knock them out. hydrogen bonding to the stationary phase will determine the relative rate of migration of the various components in the sample. When thinking ...

phase - ANSWER-Homogeneous part of the system in contact with other parts of the system but separated from them by a well defined boundary. intermolecular forces - ANSWER-attractive forces between molecules. Weaker than intramolecular forces. intramolecular forces - ANSWER-hold atoms together in a molecule measure of intermolecular force - ANSWER-ΔHvap boiling point melting point ΔHfus ΔHsub dipole-dipole forces - ANSWER-attractive forces between polar molecules. intermolecul...

In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A) Hydrogen bonding B) Solute concentration C) Stationary phase concentration D) Thickness of paper A) Hydrogen bonding The answer to this question is A because the relative amount of hydrogen bonding to the stationary phase will determine the relative rate of migration of the vario...

UWorld MCAT QBank Questions Missed Exam Questions And Answers Paramagnetic - answerUnpaired electrons in the electronic configuration of an atom or ion, which end up interacting with each other in a magnetic field Diamagnetic - answerPaired electrons in the electronic configuration of an atom or ion, which will NOT interact with each other in a magnetic field Electron capture - answerAn alternative form of positron emission (B^+ decay) Reactivity of forming Ionic Bonds - answerThis increa...

C-P AAMC Fl #3 Exam Questions and Answers 2024 For a thermodynamic mixture of isomeric products -Answer-the relative mole ratio of products is directly related to the relative stability of these products #2. What can be inferred from the results of scheme A about the relative thermodynamic stabilities of Compounds 4a and 4b -Answer-Compound 4a is more stable than 4b The image shows that 4a is produced 60% and 4b 40%. --So 4a will be more stable among the two thermodynamic products #3. Whi...

Which of the following statements is true? a) intermolecular forces influence the physical properties of a substance b) intermolecular forces are stronger than intramolecular forces c) dispersion forces are the strongest of the intermolecular forces d) dipole-dipole forces arise when a non polar molecule induces a dipole in another molecule - ANSWERa which of the following hydrocarbons will. have have the highest boiling point? a) c5h12 b) c2h6 c) ch4 d) c6h14 e) c8h18 - ANSWERe ...

MCAT AAMC FL 1EXAM QUESTIONS AND ANSWERS What was the principal factor determining the migration of individual components in a sample when performing chromatography? -Answer-the relative amount of hydrogen bonding to the stationary phase Rf value -Answer-Distance travelled by substance / distance travelled by solvent stereospecific reaction -Answer-a special type of stereoselective reaction in which the stereochemistry of the product is dependent on the stereochemistry of the starting mate...

Chemistry Grade 12 IEB Physical Sciences Paper 2 mole - SI unit for amount of substance molar mass - The mass in grams of one mole of a substance Solution - A homogenous mixture of solute and solvent solute - A substance that is dissolved in a solution. solvent - The substance in which another substance is dissolved, forming a solution concentration - The amount of solute per unit volume of solution yield - A measure of the extent of a reaction, generally measured by comparing the amo...

UWorld MCAT QBank Questions Missed Exam Questions And Answers Paramagnetic - answerUnpaired electrons in the electronic configuration of an atom or ion, which end up interacting with each other in a magnetic field Diamagnetic - answerPaired electrons in the electronic configuration of an atom or ion, which will NOT interact with each other in a magnetic field Electron capture - answerAn alternative form of positron emission (B^+ decay) Reactivity of forming Ionic Bonds - answerThis increa...