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Vicw Policics Current Attcmpt In Progress 0.878 Iiter (0.878 x 10 ? mJ) glass (Pyrex} During an all-night cram session; student hents Up beakcr Is fllcd to the brim...

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Vicw Policics Current Attcmpt In Progress 0.878 Iiter (0.878 x 10 ? mJ) glass (Pyrex} During an all-night cram session; student hents Up beakcr Is fllcd to the brim; beukcr 0f cold coffec Initially; the temperature [s 17.1 "Cndathreis 92.9eC The coetficient of short time Iater when thc student returns the tcmperature has risento (incubic mcters) has thatof water: How much coffee volumo expanslon colfec is the same spilled - out e of the bcaker? ColdUnitsNumbereTextbook and MediaSave for Lat

Vicw Policics Current Attcmpt In Progress 0.878 Iiter (0.878 x 10 ? mJ) glass (Pyrex} During an all-night cram session; student hents Up beakcr Is fllcd to the brim; beukcr 0f cold coffec Initially; the temperature [s 17.1 "Cndathreis 92.9eC The coetficient of short time Iater when thc student returns the tcmperature has risento (incubic mcters) has thatof water: How much coffee volumo expanslon colfec is the same spilled - out e of the bcaker? Cold Units Number eTextbook and Media Save for Later Attempts: Oof 4 used Submit Answe Using multiple attempts will impact your score 50% score reduction after attempt 3



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mmh During an all-night cram session, a student heats up a one-half liter $\left(0.50 \times 10^{-3} {m}^{3}\right)$ glass (Pyrex) beaker of cold coffee. Initially, the temperature is $18^{\circ} {C}$ , and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen
to $92^{\circ} {C}$ . The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker?

I have friends. This is a problem based on concept of mhm. Okay, volumetric expression of a substance which is given by Vito. Be not Day 13. Initial volume of coffee is given 125 into 10 to the Power Ministry. We take you coefficient of volumetric expansion is 207 and took 10 to the power minus six. What are the research is change in temperature is 92 minus 18. That is 74 researches. So changing volume you may calculate. Vita is 207 and 2 10 to the power minus six. Yeah. Initial volume 0.5 to 10 to the power minus three. Recreating temperature 74. So it is to be 7.7 and to 10 To the power my history. Me turkey, That's all. Thanks for watching it. Yeah,

The change in the volume of the coffee. And be written as delta V. C. Then in volume of coffee is equal to B to C. Multiplied. Where we note multiplied where the temperature change guilty here because the cough center volume expansion of coffee we note is original volume of coffee. Delta T. Is temperature rise and of the coffee so we can write the volume expense and of the Pyrex plus also this is volume expansion of coffee. Volume expansion of pirates killers. Delta V. P. Is equal to you. To be multiplied way we note multiplayer deal 30 or Pyrex. Yes this is for coffee. What of the this for a coffee? This is for Pyrex glass. No now we can write attaining volume of coffee. Can be written it's changing volume of for me in mm volume mm Or and the lieutenants. Delta V. Delta. We will be equals two Delta V. C minus delta V. P. So it will be equals two. The note guilty multiplied by B to c minus Be happy. Uh huh. Let us put the values here. Delta so delta we will be equals two. The value of initial volume is given a 0.5. multiplied by 10 to develop minus stream, attack you 2.5- time to depart of Ministry meter Cube. This is renewed multiplier. A change in temperature, temperature changes from 92 C to 18 degrees integrates with will be 92 minus 18° integrate multiplied by VTC. VTC has given us 207, multiplied by 10 to the power of -6 per degree centigrade minus beat up is given us 9.9 Multiplied by 10 to the four of -6. four C. So after calculating we get 10 in the volume of the coffee, delta V is equal to 7.3 multiplied where 10 34 of minus six we take you well, this this much amount of volume of copy is spilled out of the bigger. Yeah, this is the amount of coffee built from the because both filled out build out of bigger.

The change in the volume of the coffee. And be written as delta V. C. Then in volume of coffee is equal to B to C. Multiplied. Where we note multiplied where the temperature change guilty here because the cough center volume expansion of coffee we note is original volume of coffee. Delta T. Is temperature rise and of the coffee so we can write the volume expense and of the Pyrex plus also this is volume expansion of coffee. Volume expansion of pirates killers. Delta V. P. Is equal to you. To be multiplied way we note multiplayer deal 30 or Pyrex. Yes this is for coffee. What of the this for a coffee? This is for Pyrex glass. No now we can write attaining volume of coffee. Can be written it's changing volume of for me in mm volume mm Or and the lieutenants. Delta V. Delta. We will be equals two Delta V. C minus delta V. P. So it will be equals two. The note guilty multiplied by B to c minus Be happy. Uh huh. Let us put the values here. Delta so delta we will be equals two. The value of initial volume is given a 0.5. multiplied by 10 to develop minus stream, attack you 2.5- time to depart of Ministry meter Cube. This is renewed multiplier. A change in temperature, temperature changes from 92 C to 18 degrees integrates with will be 92 minus 18° integrate multiplied by VTC. VTC has given us 207, multiplied by 10 to the power of -6 per degree centigrade minus beat up is given us 9.9 Multiplied by 10 to the four of -6. four C. So after calculating we get 10 in the volume of the coffee, delta V is equal to 7.3 multiplied where 10 34 of minus six we take you well, this this much amount of volume of copy is spilled out of the bigger. Yeah, this is the amount of coffee built from the because both filled out build out of bigger.

Hello and welcome the digital tea with mystery where we will see what's brewing in the world of physics solutions. So in this problem, we have a glass cup. Um and we know that it's mass is four times 10 to the second grams, which works out to 0.4 kilograms. Always like to put things in standard units before we get into the problems solution. At any rate, um, the glass cup is at an initial temperature of 20 degrees Celsius and we're gonna take this cup. We're gonna put it in hot dish water in order to clean it. The dishwater we know is at a temperature of 80 degrees Celsius. And we can also make the general assumption that there's enough dishwater in there that when we put the cup into the dishwater, the cup will come up to a final temperature are in equilibrium temperature of 80 degrees Celsius, and the dishwater will not have any a measurable decrease in temperature. That's only true if the mass of the dishwater is significantly larger than the mass of the glass cup, which will make that assumption for this case. So at any rate, our goals to figure out how much heat is absorbed by the glass Cup as it changes its temperature from 20 to 80 degrees Celsius. So let's go about it by using the specific heat equation of Q is equal to M C Delta T Um, thespian Civic heat for glass is 840 jewels per kilogram Celsius degree, and I believe we have everything we need to solve for that without any algebra. So we'll simply multiply the mass of 0.4 kilograms times the specific heat of 840 jewels per kilogram Celsius degree and by a change in temperature of, um, a T minus 20 or 60 degrees. And when you take that all in and solve, you should get about 20,000, 160 jewels of heat that is added to the glass cup. Hey, thanks for learning with me. I have certainly enjoyed learning with you.


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