Notes in 42 Chemistry & Physics

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Published 12/13/2023 The three components that make up atoms are{{c1::Protons}}{{c1::Neutrons}}{{c1::Electrons}}
Published 12/13/2023 The number of {{c1::protons}} in the nucleus determine an atom's atomic number. 
Published 12/13/2023 The electrons in the outermost shell are called {{c1::valence}} electrons. 
Published 12/13/2023 {{c1::Cations}} have a {{c2::positive}} charge. 
Published 12/13/2023 {{c1::Anions}} have a {{c2::negative}} charge. 
Published 12/13/2023 {{c1::Ionic}} bonds involve the complete transfer of valence electrons from one atom to another. 
Published 12/13/2023 {{c1::Covalent}} bonds involve the equal sharing of electrons.
Published 12/13/2023 {{c1::Polar covalent}} bonds involve the unequal sharing of electrons.
Published 12/13/2023 Water is a {{c1::polar}} molecule that dissolves polar molecules and ions. 
Published 12/13/2023 The weakest intermolecular bond is the {{c1::Van der Waals}} bond. 
Published 12/13/2023 The strongest intermolecular bond is the {{c1::covalent}} bond. 
Published 12/13/2023 The ideal gas law is{{c1::PV = nRT}}
Published 12/13/2023 {{c2::Poiseuille's}} Law:{{c1::}}
Published 12/13/2023 {{c1::Decreased}} temperature increases viscosity and resistance. 
Published 12/13/2023 {{c1::Increased}} temperature {{c2::decreases}} viscosity and resistance. 
Published 12/13/2023 In a laminar flow pattern, molecules in the {{c1::center}} of the tube travel fastest. 
Published 12/13/2023 A Reynold's number of 2,000-4,000 is associated with {{c1::transitional}} flow. 
Published 12/13/2023 In transitional flow, fluids display a {{c1::turbulent}} pattern in the center of the tube and a {{c1::laminar}} pattern near the walls of the tube.&n…
Published 12/13/2023 According to {{c2::Bernoulli's}} principole, fluid velocity is {{c1::inversely}} proportional to pressure exerted on the walls of the tube. 
Published 12/13/2023 The {{c1::Venturi}} effect occurs when air is entrained into a tube due to decreased pressure at a point of constriction
Published 12/13/2023 The {{c1::Coanda}} effect describes the attachment of jet flows to nearby surfaces. 
Published 12/13/2023 Radiation exposure is quantified by {{c1::roentgen (R)}}. 
Published 12/13/2023 The maximum radiation exposure in one year is {{c1::5}} rem. 
Published 12/13/2023 The maximum radiation exposure for fetuses of pregnant workers is {{c1::0.05}} rem/month. 
Published 12/13/2023 In non-pregnant patients, the {{c1::eye}} and {{c1::thyroid}} are most susceptible to radiation injury. 
Published 12/13/2023 The amount of radiation exposure is inversely proportional to {{c1::distance2}}.
Published 12/13/2023 {{c1::Specific heat}} is the amount of heat required to increase the temperature of 1 g of a substance by 1°C.
Published 12/13/2023 {{c1::Vaporization}} is the process of converting a liquid to gas by adding heat. 
Published 12/13/2023 {{c1::Critical temperature}} is the highest temperature where a gas can exist as a liquid. 
Published 12/13/2023 {{c1::Critical pressure}} is the minimum pressure required to convert a gas to a liquid at the critical temperature. 
Published 12/13/2023 What is the conversion of Celsius to Kelvin?Celsius = {{c1::K - 273.15}}
Published 12/13/2023 What is the conversion of Celsius to Farenheit? {{c1::Celsius = (F - 32) x 5/9}}
Published 12/13/2023 1 cm H2O = {{c1::0.74}} mmHg
Published 12/13/2023 1 mmHg = {{c1::1.36}} cm H2O
Published 12/13/2023 1 atm = {{c3::760}} mmHg = {{c3::760}} torr = 1 bar = {{c4::100}} kPa = {{c1::1033}} cm H2O = {{c2::14.7}} lb/inch2
Published 12/13/2023 Avogadro's number: {{c1::6.023 x 1023 }}
Published 12/13/2023 Does water dissolve polar or non-polar substances?{{c1::Polar}}
Published 12/13/2023 What is the boiling point of water?{{c1::212°F or 100°C}}
Published 12/13/2023 What is the freezing point of water?{{c1::32°F or 0°C}}
Published 12/13/2023 What is the equation to calculate pressure?{{c1::Pressure = Force/Area}}
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