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- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(LibreTexts)/19%3A_The_First_Law_of_Thermodynamics/19.02%3A_Pressure-Volume_WorkThis page explains work in physics as the force multiplied by the path element, discussing types like frictional and electrical work. It introduces pressure-volume work in a piston-cylinder system, de...This page explains work in physics as the force multiplied by the path element, discussing types like frictional and electrical work. It introduces pressure-volume work in a piston-cylinder system, detailing interactions of internal and external pressures. A sign convention is outlined, where positive values signify energy input and negative values signify energy output. Additionally, the page covers irreversible processes and their depiction on PV diagrams.
- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(Fleming)/01%3A_The_Basics/1.05%3A_Work_and_EnergyThe page discusses fundamental concepts of thermodynamics, focusing on temperature, pressure, volume, and energy exchange through work and heat. It highlights the importance of energy in modern societ...The page discusses fundamental concepts of thermodynamics, focusing on temperature, pressure, volume, and energy exchange through work and heat. It highlights the importance of energy in modern society and introduces kinetic and potential energy. Hooke???s Law is discussed as an example of energy conversion between kinetic and potential forms. Work is defined as energy expenditure to move an object against a force, with applications illustrated in examples like gas expansion.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/03%3A_Measurements/3.05%3A_Mass_and_WeightThis page explores weightlessness in outer space and its effects on astronauts' bone health. It clarifies the difference between mass, a constant measure of matter, and weight, which is influenced by ...This page explores weightlessness in outer space and its effects on astronauts' bone health. It clarifies the difference between mass, a constant measure of matter, and weight, which is influenced by gravity. The text also mentions that weight is less on the moon than on Earth, while mass stays the same regardless of location. Additionally, it gives a brief explanation of how to measure mass and weight.
- https://chem.libretexts.org/Courses/Western_Washington_University/Biophysical_Chemistry_(Smirnov_and_McCarty)/03%3A_Molecular_Mechanics_and_Statistical_Thermodynamics/3.03%3A_Newtonian_MechanicsThe text discusses the application of Newton's laws of motion to atomic nuclei and larger molecules, focusing on the interaction of particles and harmonic motion. Newton's second law is formulated for...The text discusses the application of Newton's laws of motion to atomic nuclei and larger molecules, focusing on the interaction of particles and harmonic motion. Newton's second law is formulated for forces between particles and a harmonic oscillator system, like a mass and spring. Concepts of potential energy, restoring forces, and phase space in relation to differential equations are introduced.
- https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Physical_Chemistry_(Fleming)/01%3A_The_Basics/1.02%3A_Pressure_and_Molar_VolumeItalian physicist Evangelista Torricelli invented a device to measure air pressure using a glass tube filled with mercury, which created a vacuum when inverted. The height of the mercury column left i...Italian physicist Evangelista Torricelli invented a device to measure air pressure using a glass tube filled with mercury, which created a vacuum when inverted. The height of the mercury column left indicates air pressure. At sea level, the column measures 76 cm, corresponding to a pressure of 100,000 Pa. This method established the basis for measuring atmospheric pressure and units such as the Pascal and bar.
- https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/13%3A_States_of_Matter/13.02%3A_Gas_PressureThis page explains how hot air balloons function by using gas pressure from heated air. Initially flat, the balloon rises when the internal air is heated, increasing the velocity and pressure of air m...This page explains how hot air balloons function by using gas pressure from heated air. Initially flat, the balloon rises when the internal air is heated, increasing the velocity and pressure of air molecules. This inflation occurs due to gas particle collisions against surfaces, with pressure directly influenced by temperature—higher temperatures result in higher pressures, facilitating the balloon's ascent.
- https://chem.libretexts.org/Courses/Colorado_State_University_Pueblo/Elementary_Concepts_in_Physics_and_Chemistry/07%3A_Chapter_7_-_Survey_of_Kinematics_and_Newtonian_Motion/7.08%3A_Development_of_Force_Concept(unable to fetch text document from uri [status: 403 (Forbidden)])
