F a q on thermodynamics - Study guides, Class notes & Summaries

Conduction - correct answer direct transfer of energy from molecule to molecule via direct molecular collsions What are the best and worst conductors? - correct answer Worst= gases Best= metals Convection - correct answer heat transfer by physical motion; only takes place in fluids and gases. Heat energy is transferred AWAY from the source. Radiation - correct answer transfer of energy by electromagnetic waves. Radiation can travel through a hard vacuum. Ex: energy from sun specif...

Matter Most basic building block. Must have mass and volume Elements Simplest form of matter, can't decompose any further Molecules Two or more atoms "linked" together Compounds Mixes of two or more elements bonded together Sig Fig.- x & / As many as the least number Sig Fig.- + & - As many as the least behind the decimal point Law of Definite Composition Components in a compound always have the same ratio by mass Law of Multiple Proportions Ratios of elements that combine to m...

General Chemistry II (CHEM113) ACS Final 289 Questions with Verified Answers The two states that are collectively known as the condensed states are _______. - CORRECT ANSWER solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together - CORRECT ANSWER intermolecular forces Intermolecular forces are only significant at _____. - CORRECT ANSWER short distances The state of a sample of matter is determine...

SPEX203 Exam With 100% Correct Answers 2023 length-tension-velocity relationship velocity high, force low, regardless of length ergometry measurement of mechanical work energy the capacity to do work work product of a force acting over a certain distance (f x d) power rate of doing work (work/time) airbraked ergometer rowing and cycle ergo, wind vanes, resistance increases exponentially with cadence, cheap and difficult to calibrate friction (mech...

ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter is made up of relatively few elements. - CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom Each _______ is made of the same kind of atom - CORRECT ANSWER Element Combination of atoms held together i...

Area (triangle) A=1/2bh Area (rectangle) A=lw Area (Square) A=s² Area (circle) A=πr² Surface area rectangle A = 2wl + 2lh + 2hw Volume (rectangular prism) v=l×w×h volume (Cube) s³ Volume (sphere) V = 4/3πr³ Volume (cylinder) V = πr²h X^-2 1/(X * X) (X^3)(X^5) X^(3+5) (X^5)(X^-3) X^(5-3) -0.0525 (scientific notation) -5.25x10^-2 3,050 (scientific notation) 3.05x10^3 standard f...

Exam (elaborations) TEST BANK FOR Fundamentals of Thermodynamics 7th Edition By Claus Borgnakke, Richard E. Sonntag (Solution Manual) Borgnakke and Sonntag CONTENT SUBSECTION PROB NO. Concept Problems 1-18 Properties and Units 19-22 Force and Energy 23-34 Specific Volume 35-40 Pressure 41-56 Manometers and Barometers 57-77 Temperature 78-83 Review problems 84-89 Excerpts from this work may be reproduced by instructors for distribution on a not-for-profit basis for testing or instructional purpos...

internal energy - ΔU = Uf − Ui First Law of Thermodynamics - ΔU = q + w heat - substances not changing phase (per gram) - q = m⋅Cs⋅ΔT heat - substances not changing phase (per mol) - q = n⋅Cm⋅ΔT heat - substances that are changing phase (per gram) - q = m⋅ΔHtrans heat - substances that are changing phase (per mol) - q = n⋅ΔHtrans work - constant external pressure (Pext) - w = −PextΔV work - constant external pressure (Δngas) - ...

Linear Motion, Δx, Vo, a, t Correct Answer Δx=V₀*t+1/2 a*t² Linear Motion, V, Vo, a, x Correct Answer V²=V₀²+2aΔx Linear Motion, Δx, avg. V, t Correct Answer Δx=avgV*t=((V₀+V)/2)*t Law of gravitation Correct Answer F=Gm₁m₂/r², where G is the gravitational constant Torque Correct Answer τ=rFsinθ, where θ=angle between r and F Kinetic friction Correct Answer f=μN, where N=normal force and μ=friction coefficient Centripetal Force Correct Answer F=mv²/r ...

ISSA Top Exam Questions with accurate answers, graded A+ ATP stands for - -Adenosine Triphosphate Our muscles can produce ATP by which of the following pathways - -All of the above (ATP/CP, Glycolytic, Oxidative pathway) BMR stands for - -Basal metabolic rate The primary fuel during endurance exercise is - -Fatty acids The ATP/CP pathway is sufficient for over four mintues of ATP Production (T/F) - -False Non-oxidative glycolysis is reliable - -2 minutes of ATP production Catabolism a...