Menu Close

Category: Heat and Theromdynamics

Calculate-the-triple-point-for-an-electrical-resistance-thermometer-assuming-the-ratio-of-resistance-at-the-triple-point-to-that-at-initial-point-is-2-0-

Question Number 39237 by NECx last updated on 04/Jul/18 $${Calculate}\:{the}\:{triple}\:{point}\:{for}\:{an} \\ $$$${electrical}\:{resistance}\:{thermometer}, \\ $$$${assuming}\:{the}\:{ratio}\:{of}\:{resistance} \\ $$$${at}\:{the}\:{triple}\:{point}\:{to}\:{that}\:{at}\:{initial} \\ $$$${point}\:{is}\:\mathrm{2}.\mathrm{0}. \\ $$ Commented by NECx last updated…

The-length-of-a-mercury-column-in-a-mercury-in-glass-thermometer-is-4cm-at-triple-point-What-is-the-length-of-the-column-when-the-scale-indicates-temperature-of-560K-

Question Number 39235 by NECx last updated on 04/Jul/18 $${The}\:{length}\:{of}\:{a}\:{mercury}\:{column} \\ $$$${in}\:{a}\:{mercury}\:{in}\:{glass}\:{thermometer} \\ $$$${is}\:\mathrm{4}{cm}\:{at}\:{triple}\:{point}.{What}\:{is}\:{the} \\ $$$${length}\:{of}\:{the}\:{column}\:{when}\:{the} \\ $$$${scale}\:{indicates}\:{temperature}\:{of}\:\mathrm{560}{K}. \\ $$ Commented by NECx last updated…

If-a-petrol-tank-costs-2000-00-to-fill-it-up-at-10-C-how-much-extra-dollar-must-I-pay-to-fill-up-the-tank-at-50-C-if-the-petrol-costs-50-00-per-litre-and-its-cubic-expansivity-is-9-5-10-4-K-1-

Question Number 39236 by NECx last updated on 04/Jul/18 $${If}\:{a}\:{petrol}\:{tank}\:{costs}\:\$\mathrm{2000}.\mathrm{00}\:{to} \\ $$$${fill}\:{it}\:{up}\:{at}\:\mathrm{10}°{C}\:,{how}\:{much}\:{extra} \\ $$$${dollar}\:{must}\:{I}\:{pay}\:{to}\:{fill}\:{up}\:{the}\:{tank} \\ $$$${at}\:\mathrm{50}°{C},{if}\:{the}\:{petrol}\:{costs}\:\$\mathrm{50}.\mathrm{00} \\ $$$${per}\:{litre}\:{and}\:{its}\:{cubic}\:{expansivity} \\ $$$${is}\:\mathrm{9}.\mathrm{5}×\mathrm{10}^{−\mathrm{4}} {K}^{−\mathrm{1}} ? \\ $$$$ \\…

What-will-be-the-state-of-a-system-isolated-when-its-entropy-tends-to-zero-or-zero-Time-get-stopped-or-another-things-may-happen-I-am-thinking-about-this-

Question Number 103409 by Dwaipayan Shikari last updated on 14/Jul/20 $$\mathrm{What}\:\mathrm{will}\:\mathrm{be}\:\mathrm{the}\:\mathrm{state}\:\mathrm{of}\:\mathrm{a}\:\mathrm{system}\left(\mathrm{isolated}\right)\mathrm{when}\:\mathrm{its}\:\mathrm{entropy}\:\mathrm{tends} \\ $$$$\mathrm{to}\:\mathrm{zero}\:\mathrm{or}\:\mathrm{zero}? \\ $$$$ \\ $$$$\mathrm{T}\boldsymbol{\mathrm{ime}}\:\boldsymbol{\mathrm{get}}\:\boldsymbol{\mathrm{stopped}}?? \\ $$$$\boldsymbol{\mathrm{or}}\:\boldsymbol{\mathrm{another}}\:\boldsymbol{\mathrm{things}}\:\boldsymbol{\mathrm{may}}\:\boldsymbol{\mathrm{happen}} \\ $$$$\boldsymbol{\mathrm{I}}\:\boldsymbol{\mathrm{am}}\:\boldsymbol{\mathrm{thinking}}\:\boldsymbol{\mathrm{about}}\:\boldsymbol{\mathrm{this}} \\ $$ Commented by…