London dispersion force - Study guides, Class notes & Summaries
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PHA 317 Exam 1 | Questions and Answers (Complete Solutions)
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PHA 317 Exam 1 | Questions and Answers (Complete Solutions) How closely a measured value is to the correct value is ___ Accuracy How closely individual measurements are relative to each other is ___ Precision Regarding significant figures, ALL nonzero digits are ___ (i.e. - 12.768) Significant Regarding significant figures, a zero is ___ when followed by a nonzero number. (i.e. - 12.076) Significant Regarding significant figures, a zero after a decimal and before a nonzero number is ___ (i.e. ...
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UCSB CHEM 6AL Final Exam Questions With 100% Correct Answers.
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Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, 
electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as 
aldehydes and ketones. positive and negative end. polar molecules must be close together for force 
to be significant. weaker than ion-dipole forces; increase with polarity of molecule. 
*electrostatic*: occur between charged species, cations and anions, and are responsible for very high 
MP and B...
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CUMULATIVE EXAM CHEMISTRY FINAL EXAM NEWEST ACTUAL EXAM COMPLETE 140 QUESTIONS AND CORREC DETAILED ANSWERS (VERIFIED ANSWERS)| ALREADY GRADED A+ A kitten's normal body temperature is 102ºF. Express this temperature in Cº. - ANSWER-38.9ºC Which of the f
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CUMULATIVE EXAM CHEMISTRY 
FINAL EXAM NEWEST ACTUAL 
EXAM COMPLETE 140 
QUESTIONS AND CORREC 
DETAILED ANSWERS (VERIFIED 
ANSWERS)| ALREADY GRADED 
A+ 
A kitten's normal body temperature is 102ºF. Express this 
temperature in Cº. - ANSWER-38.9ºC 
Which of the following is a chemical change? - 
ANSWER-Frying an egg 
A radioisotope has a half-life of 4 days. How much of a 
20-gram sample of this radioisotope remains at the end of 
16 day time period. - ANSWER-1.25 gram 
The formula for ammoniu...
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Inorganic Chemistry 2 Exam Review With 100% Correct Answers 2024
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Inorganic Chemistry 2 Exam Review With 
100% Correct Answers 2024 
1) Which of the following statements about gases is false? 
A) All gases are colorless and odorless at room temperature. 
B) Distances between molecules of gas are very large compared to bond distances within 
molecules. 
C) Gases expand spontaneously to fill the container they are placed in. 
D) Gases are highly compressible. 
E) Non-reacting gas mixtures are homogeneous. - answerA) All gases are colorless and 
odorless at room ...
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ACS Vocabulary and Concepts (Graded A+ Already) 2023-2024.
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intermolecular forces correct answers forces that hold molecules to other molecules (not bonds within molecules) 
 
ion-ion interaction correct answers occurs between ions, with opposite charges attracting and like charges repelling 
 
ion-dipole interaction correct answers occur between ions and polar molecules, where the ion is attracted or repelled to a partial charge in the polar molecules (includes interactions between water and dissolved ions) 
 
dipole-dipole interaction correct answers o...
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BTEC Applied Science Chemistry License Exam With Complete Solutions 2024.
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What is a covalent bond? - Answer A covalent bond is a chemical bond that occurs when one or more electron is shared between the atoms. 
 
all intermolecular forces are much weaker than covalent bonds. True or False - Answer True. 
 
What are three types of intermolecular forces - Answer London dispersion, dipole-dipole, hydrogen bonding 
 
What are London dispersion forces? - Answer The intermolecular attractions resulting from the constant motion of electrons. 
 
What is a dipole-dipol...
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AP Chemistry Unit 3 Review Exam Well Answered 100% 2024.
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Intermolecular Forces - Answer Forces of attraction between molecules 
 
ion-Dipole - Answer Forces of attraction between an ion and a polar molecule. Na+ & Cl- 
 
Dipole-Dipole - Answer Forces between the negative end of one polar molecule and the positive end of one polar molecule and the positive end of another polar molecule. 
 
Hydrogen Bonding - Answer Forces between a Hydrogen and a Fluorine, Oxygen, or Nitrogen 
 
London Dispersion - Answer Forces exist between all species. Wea...
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CEM 141 MSU Final Exam Questions & Answers Already Passed!!
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Consider the question: Is there an attractive force between a pencil and the earth? 
Is this a scientific question? [Yes or No] 
Because 
III. It can be tested and answered through observations and experiments 
IV. The answer is already known and we find it online 
V. There is no way to design an experiment to answer this question. - Answer-Yes because it can be 
tested and answered though observations and experiments 
Which of the following properties ascribed to atoms by the Greeks do we still...
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MCAT Organic Chemistry Exam Questions with Correct Answers
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Electrostatic Forces - Answer-The attractive force between electrons and the nuclei that is responsible for all molecular bonds. 
 
Coordinate Covalent Bond - Answer-One nucleus donates both of the electrons in the bond. 
 
Hybridization - Answer-sp - 180° - linear 
 
sp2 - 120° - trigonal planar 
 
sp3 - 109.5° - tetrahedral, pyramidal, or bent 
 
dsp3 - 90°, 120° - trigonal-bipyramidal, seesaw, t-shaped, linear 
 
d2sp3 - 90° - octahedral, square pyramidal, square planar 
 
When one or m...
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Chem 106 Final WSU Questions And Expert Verified Answers
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Does oxidation or reduction happen at the anode? - Correct Answer Oxidation 
 
Strongest IM Force observed in water? - Correct Answer H bonding 
 
Strongest IM Force observed in BF3? - Correct Answer London Dispersion b/c it is non-polar and symmetrical 
 
Strongest IM Force in C6H14? - Correct Answer London Dispersion b/c non polar 
 
Which molecular halogen has the highest boiling point? 
 
a) F2 
b) Cl2 
c)I2 - Correct Answer c) I2 b/c it is the biggest molecule 
 
Does a long chain...
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