Attractive forces - Study guides, Class notes & Summaries

BioChem 210 Module 2 Exam - Portage Learning 1. The pH of a solution of 0.0010 M NaOH is:: 11 (Kw=[H+][OH-] = 1.0 x 10-14; [H+][0.0010] = 1.0 x 10-14 [H+]=1.0 x 10-11; pH=-log[1.0 x 10- 11]=11) 2. Water is a unique molecule. Which of the following contributes to water's unique place in the chemical world?: All of the answers are correct 3. The bent shape of water is due to ______________.: The unshared electron pairs on the oxygen atom 4. Which diagrams correctly represent ...

The two states that are collectively known as the condensed states are _______. - solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together - intermolecular forces Intermolecular forces are only significant at _____. - short distances The state of a sample of matter is determined by the magnitude of __________. - the intermolecular forces present Gases have a ___ density, ___ shape, and ____ volume. Thes...

Portage Learning CHEM 210 FINAL EXAM 2024 UPDATED. Question 1 3 / 3 pts True or False: Nitrogen is called the superglue of the chemical world. FALSE Question 2 3 / 3 pts True or False: Large elements, such as strontium, are common in biomolecules. FALSE Question 3 3 / 3 pts True or False: The time it takes for a compound to flow through a metabolic pathway is called the payoff phase. FALSE Question 4 3 / 3 pts True or False: Proteins, carbohydrates, and fats all get broken down i...

WGU C165 Integrated Physical Science Questions and Answers Latest Updated 2022 Physics The study of forces, energy, motion Chemistry The study of atoms and molecules, their structures, and their interactions to form substances Earth science The study of the Earth's structure and composition, and processes that change Earth essential attributes of science Studies the natural world Uses testable ideas Relies on data from observations/experiments Presented for evaluation by other scientists Lea...

Chemistry definition : Study of structure, properties, transformations of matter Matter : Anything that has mass + takes up space Phases: solid, liquid, gas Condensed phases = solids + liquids Intermolecular Forces (IMF) : = Interactions between molecules/atoms/ions Solution : = Homogenous mixtures of 2+ pure substances In a solution, the solute is dispersed uniformly throughout the solvent - Solute = compound(s) in lesser amount - Solvent = compound in greater amount 2 | P a g e E...

_____ describes the three dimensional highly repeating particles within a solid. - ️️crystal lattice ______ describes a solution in which the amount of solute dissolved in a given amount of solvent in a given amount of solvent is less than the solubility limit - ️️unsaturated ______ describes how light is scattered as it passes through a colloidal suspension - ️️the tyndall effect ______ describes the process by which liquid molecules form gases. - ️️vaporization ____...

Chem 210, Exam 5 (Final), Patell Questions & AnWhat is the difference in the properties of a solid, liquid, or gas reflect the strengths of the attractive forces between the molecules that make up each phase? - ANSWERintermolecular forces What are the examples of intermolecular forces? - ANSWERdispersion, dipole-dipole, hydrogen bonding Dipole-dipole interactions are attractive forces that act between ______ molecules. - ANSWERpolar Polar molecules have permanent dipoles. The positive e...

CEM 141-Exam 1 Latest Update Already Graded A Matter is made up of Atoms The the smallest distinguishable part of an element Atom Can change overtime according to the evidence available Theories ALL atoms/molecules attract to one another due to Electrostatic forces ________ lower potential energy of a system Attractions _____ raise potential energy of a system Repulsions Stable systems form where The attractive and repulsive forces are EQUAL or the potential energy is at...

intermolecular forces definition forces of attraction between molecules intramolecular forces definition forces of attraction within molecules, stronger than intermolecular forces ion-ion forces Very strong electrostatic forces between oppositely charged ions. same force as ionic bonds (#1 intermolecular force) ion-dipole forces attractive forces between an ion and a polar molecule (#2 intermolecular force) polarity based on electronegativity; everything with oxygen is polar unless s...

Valence Ans- number of e- in outermost shell, determines number of bonds the atom can form 4 types of bonds Ans- covalent, ionic, hydrogen, van der waals Hydrogen bonding Ans- electrostatic attraction between partially positive hydrogen atom and a partially negative, highly electronegative atom van der Waals forces Ans- weak attractive/repulsive forces resulting from the movement of electrons, creating temporary regions of partial pos. and neg. charge if difference in EN between to...