Van der waals forces - Study guides, Class notes & Summaries
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MCDB Practice Exam 1 2024 with 100% correct answers
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Electronegativity is larger/smaller with a greater number of electron shells. - correct answer smaller 
 
Electronegativity is larger/smaller with a greater proton number in a given period (horizontal row). - correct answer larger 
 
What is wrong, if anything, with the following statement: 
 
"When NaCl is dissolved in water, the water molecules closest to the ions will tend to preferentially orient themselves so that their oxygen atoms can interact electrostatically with the chloride ions...
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UNE CHEM 1011 General Chemistry II Midterm Fall 2024 | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass
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UNE CHEM 1011 General 
Chemistry II Midterm Fall 2024 
| Questions and Correct 
Answers | Latest Update 
2024/2025 | 100% Pass 
intermolecular forces - Answer -the various forces of attraction that 
may exist between the atoms and molecules of a substance due to 
electrostatic phenomena 
kinetic energies - Answer -the energy required to overcome the 
attractive forces and thus increase the distance between particles 
Intramolecular forces - Answer -within the molecule that keep the 
molecule tog...
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Bios 1300 Cumulative Final exam study guide rated 5 stars (with latest updates 2023)
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Bios 1300 Cumulative Final exam study guide rated 5 stars (with latest updates 2023) 
 
 
 
Which of the following bond types is the weakest? 
Isotopic bonds 
Van der Waals forces 
Hydrogen bonds 
Ionic bonds 
Nonpolar covalent bonds 
Polar covalent bonds - Van der Waals forces 
The lower the pH of a solution, the ________. 
lower the H+ concentration 
more neutral the solution is 
greater the number of oxygen atoms 
greater the number of H+ in solution 
less toxic the solution is - greater ...
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Advanced Placement (AP) Biology |Biochemical Concepts 170 Questions Correctly Answered |100% Rated
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Advanced Placement (AP) Biology 
 
|Biochemical Concepts 170 Questions Correctly Answered |100% Rated 
Question 1 
The property of water that contributes to its ability to stick to certain surfaces is called __________. 
Possible Answers: 
Polymerization 
Gravity 
Adhesion 
Cohesion 
Parsimony 
Correct answer: 
Adhesion 
Question 2 
Water's ability to create intermolecular hydrogen bonds results in its inability to break up which of the following compounds? 
Possible Answers: 
Amino acids ...
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Bios 1300 Cumulative Final | with complete solution
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Bios 1300 Cumulative Final | with complete solution 
 
Which of the following bond types is the weakest? 
Isotopic bonds 
Van der Waals forces 
Hydrogen bonds 
Ionic bonds 
Nonpolar covalent bonds 
Polar covalent bonds - Van der Waals forces 
The lower the pH of a solution, the ________. 
lower the H+ concentration 
more neutral the solution is 
greater the number of oxygen atoms 
greater the number of H+ in solution 
less toxic the solution is - greater the number of H+ in solution 
Which fun...
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Immunology Final Exam With Questions And Explanations Of Answers.
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Which of the following is NOT apart of the Acquired Immune System? 
a. Passive Immunization 
b. Active Immunization 
c. Physiological and Chemical Barriers 
d. None of the above - correct answer C. Physiological and Chemical Barriers 
 
What are the characteristics of the Immune Response? 
a. Adaptive 
b. Indiscrimination between self and none-self 
c. A & B 
d. A & C 
e. All the above - correct answer d. A & C 
 
Which of the following is tr...
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Chapter 6 Egan Exam Questions & Answers Already Graded A+
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states of matter - three primary states of matter: solid, liquid, and gas 
Solids - "Solids have a fixed volume and shape. The molecules that make up the 
solid have the shortest distance to travel until they collide with one another. This motion 
has been referred to as a "jiggle." Solids have a high degree of internal order; their 
atoms or molecules are limited to back-and-forth motion about a central position, as if 
held together by springs (see Figure 6-1, A). Solids maintain their shap...
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ADVANCED PLACEMENT (AP) BIOLOGY | WATER AND CARBON QUESTIONS CORRECTLY ANSWERED |100% RATED
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ADVANCED PLACEMENT (AP) BIOLOGY | 
 
WATER AND CARBON QUESTIONS CORRECTLY ANSWERED |100% RATED 
Question 1 
The property of water that contributes to its ability to stick to certain surfaces is called __________. 
Possible Answers: 
Gravity 
Cohesion 
Parsimony 
Adhesion 
Polymerization 
Correct answer: 
Adhesion 
Question 2 
Water's ability to create intermolecular hydrogen bonds results in its inability to break up which of the following compounds? 
Possible Answers: 
Sugars 
Ions 
Lipids...
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Biology Placement Test Questions and Answers Already Passed
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What defines living organisms separate from non-living things? Living things are made up of 
basic units called cells, are based on a universal genetic code, obtain and use materials and 
energy, grow and develop, reproduce, respond to their environment, maintain a stable internal 
environment, and change over time 
Discuss the scientific method and its use in acquiring knowledge. Involves observing and 
asking questions, making inferences and forming hypotheses, conducting controlled experiment...
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AAMC MCAT Practice Exam 2 Questions and Answers | Latest Version | 2024/2025 | 100% Verified
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AAMC MCAT Practice Exam 2 Questions 
and Answers | Latest Version | 2024/2025 
 
| 100% Verified 
 
Which of the following best describes the role of enzymes in biochemical reactions? 
 
- A) Enzymes increase the activation energy required for reactions to occur 
- B) Enzymes are consumed in the reaction and not regenerated 
 C) Enzymes lower the activation energy required for reactions to occur 
- D) Enzymes change the equilibrium constant of a reaction 
 
Rationale: Enzymes act as catalysts by...
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