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Category: Heat and Theromdynamics

the-molar-heat-capacity-of-constant-pressure-of-a-gas-varies-with-the-temperature-according-to-the-equation-n-c-p-a-b-c-2-where-a-b-and-c-are-constant-how-much-heat-transfered-during

Question Number 58361 by Mohammad umar last updated on 22/Apr/19 themolarheatcapacityofconstantpressureofagasvarieswiththetemperatureaccordingtotheequationncp=a+bθc/θ2wherea.bandcareconstanthowmuchheattransferedduringanisobaricprocessinwhichnmakesofgasundergoatemperaturerisefromθitoθf?$$\left({b}\right){the}\:{molar}\:{heat}\:{capacity}\:{of}\:{a}\:{metal}\:{at}\:{low}\:{temperature}\:{varies}\:{with}\:{the}\:{temperature}\:{according}\:{to}\:{the}\:{equation}\:{c}={b}\theta+\frac{{a}}{{h}}\theta^{\mathrm{3}}…

A-small-body-with-temperature-and-absorbtivity-is-placed-in-a-large-evaluated-capacity-whose-interior-walls-are-at-a-temperature-w-when-w-is-small-show-that-the-rate-of-heat-tra

Question Number 58286 by Umar last updated on 21/Apr/19 Asmallbodywithtemperatureθandabsorbtivityτisplacedinalargeevaluatedcapacitywhoseinteriorwallsareatatemperatureθw.whenθwθissmall,showthattherateofheattransferbyradiationis$$\:\:\:\:\:\overset{\bullet} {\mathrm{Q}}=\:\mathrm{4}\theta_{\mathrm{w}}…

The-molar-heat-capacity-of-a-metal-at-low-temperature-varies-with-the-temperature-according-to-the-equation-C-b-a-H-3-where-a-b-and-H-are-constant-How-much-heat-per-mole-is-transfe

Question Number 58216 by Umar last updated on 20/Apr/19 ThemolarheatcapacityofametalatlowtemperaturevarieswiththetemperatureaccordingtotheequationC=bθ+aHθ3wherea,bandHareconstant.Howmuchheatpermoleistransferedduringtheprocessinwhichthe$$\mathrm{temperature}\:\mathrm{change}\:\mathrm{from}\:\mathrm{0}.\mathrm{01H}\: \

The-molar-heat-capacity-of-constant-presure-of-a-gas-varies-with-the-temperature-according-to-the-equation-C-p-a-b-C-2-where-a-b-and-C-are-constants-How-much-heat-is-transfer

Question Number 58196 by Umar last updated on 19/Apr/19 ThemolarheatcapacityofconstantpresureofagasvarieswiththetemperatureaccordingtotheequationCp=a+bθCθ2wherea,bandCareconstants.Howmuchheatistransferedduring$$\:\:\:\mathrm{an}\:\mathrm{isobaric}\:\mathrm{process}\:\mathrm{in}\:\mathrm{which}\:\mathrm{n}\:\mathrm{mole} \

Two-carnot-emgines-A-and-B-are-operated-in-series-engine-A-receiepved-heat-from-a-reservoir-at-600-K-and-rejects-it-to-a-reservoir-at-temp-T-B-receives-heat-rejected-by-A-and-in-turn-rejects-it-to-r

Question Number 52324 by prakash jain last updated on 06/Jan/19 TwocarnotemginesAandBareoperatedinseries.engineAreceiepvedheat?fromareservoirat600KandrejectsittoareservoirattempT.BreceivesheatrejectedbyAandinturnrejectsittoreservoirat100K.$$\mathrm{Find}\:\frac{\eta_{{B}} }{\eta_{{A}} }…

Two-hot-cubes-are-at-same-temperature-and-both-are-cooled-by-forced-convetion-the-cube-are-made-from-the-same-material-but-one-has-side-of-L-metre-and-other-one-2L-metre-which-cube-is-at-quicker-

Question Number 51148 by peter frank last updated on 24/Dec/18 TwohotcubesareatsametemperatureandbotharecooledbyforcedconvetionthecubearemadefromthesamematerialbutonehassideofLmetreandotherone2Lmetre.$${which}\:{cube}\:{is}\:{at}\:{quicker}\:…

Two-similar-spherical-bodies-of-radius-R-and-2R-are-initially-are-at-same-temperature-if-they-are-kept-to-cool-under-the-same-condition-show-qualitatively-which-of-the-two-spherical-body-will-cool-

Question Number 51098 by peter frank last updated on 24/Dec/18 TwosimilarsphericalbodiesofradiusRand2Rareinitiallyareatsametemperature.iftheyarekepttocoolunderthesamecondition.showqualitativelywhichofthetwospherical$${body}\:{will}\:{cool}\:{faster}.…