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Mas NaC 39 3. 100 ml. of water is already in the calorimeter. Use the denity of water at 25'C0.997 ml determine the mas fm the volune and mrd it belo Make certain the ner is Ce tyou should be ahle t see the shaft rotating. Mas waler asa Mass oe 45.00E Man Watet and loe (144 4 Chck on the Sne Data buten in the Thermometer section of the Live Data tab in dhe vay to ave data to de lab book. Allow 2010 ionda tein a haelne empenatue of the water. Click the cck on the wall labeled Accelerate to acoelerne the laboratory time if necestary. Dvag the beaher of lee unl i seags into place above the calorinter and then pour the ice ima the caleieeer. Oierve the change in empere in the graph window until it reaches sero. Drag the weigh paper from the halance to de calorimeter and then pour it io the calerimrter, Obene the change in temperatune uilirechetale minim nd elick p Saving Open the Lab Book tab in the tray to view the collected data. Record the fowrat temperature afher adding the salt below. (Remenber dat e water may have hegun to wam hak up) Minimum temperature 0 "C 5. If you want to repeat the esperiment, click on the red disposal bucket or the Clear Lab buton to clear the lab, open the Presets menu in the tay and select Lab eer Freering Point Depression-NaC The freering point depression can be prodicted using the equation AT, = Kmi, where AT is the change in freezing point, i the munter of is in de solution per mole of diaslved NaCu2).mie the molality of the solution, and A is the motal froczing point constant for water which is I86C Calculate the prediced changr in frezing poist for your solation. 7. The change in freeting point aust be subtracted fom the freeting point of pure water, which is O0 C, in order to compane the prodicted freening point with the actual freezing point. Whar is the calculated freezing point of she solation?

Mas NaC 39 3. 100 ml. of water is already in the calorimeter. Use the denity of water at 25'C0.997 ml determine the mas fm the volune and mrd it belo Make certain the ner is Ce tyou should be ahle t see the shaft rotating. Mas waler asa Mass oe 45.00E Man Watet and loe (144 4 Chck on the Sne Data buten in the Thermometer section of the Live Data tab in dhe vay to ave data to de lab book. Allow 2010 ionda tein a haelne empenatue of the water. Click the cck on the wall labeled Accelerate to acoelerne the laboratory time if necestary. Dvag the beaher of lee unl i seags into place above the calorinter and then pour the ice ima the caleieeer. Oierve the change in empere in the graph window until it reaches sero. Drag the weigh paper from the halance to de calorimeter and then pour it io the calerimrter, Obene the change in temperatune uilirechetale minim nd elick p Saving Open the Lab Book tab in the tray to view the collected data. Record the fowrat temperature afher adding the salt below. (Remenber dat e water may have hegun to wam hak up) Minimum temperature 0 "C 5. If you want to repeat the esperiment, click on the red disposal bucket or the Clear Lab buton to clear the lab, open the Presets menu in the tay and select Lab eer Freering Point Depression-NaC The freering point depression can be prodicted using the equation AT, = Kmi, where AT is the change in freezing point, i the munter of is in de solution per mole of diaslved NaCu2).mie the molality of the solution, and A is the motal froczing point constant for water which is I86C Calculate the prediced changr in frezing poist for your solation. 7. The change in freeting point aust be subtracted fom the freeting point of pure water, which is O0 C, in order to compane the prodicted freening point with the actual freezing point. Whar is the calculated freezing point of she solation?

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.104QE
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How do I calculate 6 and 7?  
Mas NaC 399E 3. 100 ml. of water i already in the calorimeter. Use the denity of water at 25'C0.997 sml determine the mas f the volune and mrd it belo Make certain the ner is Ce tyou should be ahle t see the shaft rotating. Mass waler asa Mass ioe 45.00E Man Watet and lce (144 4 Chck on the Sne Data buten in the Thermometer section of the Live Data tab in the tray to ave data to de lab book. Allow 2010 ionda o tein a hanelne sempenatue of the water. Click the ck on the wall labeled Accelerate to acelerane the laboratory time if necestary. Drag the beaher of lee un i seags into place above the calorimter and then pour the ice ima the caleieeer. Obierve the change in empene in the graph window until it reaches sero. Drag the weigh paper from the halance to the calorimeter and hen pour it io the calerimrier, Obene the change in temperatune il rechetale minim nd elick p Saving. Open the Lab Hook tab in the tray to view the collected data. Record the fowral temperatur afier adding the salt below. (Remenber dut e water may have begun to wam back up) Minimum temperature 0 C 5. If you want to repeat the esperiment, click on the red disposal bucket or the Clear Lab buton to clear the lab, open the Preseta menu in the tay and select Lab eer Freering Point Depression-NaC The freezing point depression can be predicted using the equation AT = Km where AT i the change in freezing poing, ithe munber of ies in he solution per mole of dialved NaCu2.mie the molality of the solution, and A is the molal froczing point constant for water which is I86C. Calculate the predicted change in frezing poist for your solation. 7. The change in freezing point aust be subtracted fom the freeting point of pure water, which is O0 C, in order to compane dhe predicted freening point with the actual freezing point. Whar it the calculated freezing point of the selation?
Transcribed Image Text:Mas NaC 399E 3. 100 ml. of water i already in the calorimeter. Use the denity of water at 25'C0.997 sml determine the mas f the volune and mrd it belo Make certain the ner is Ce tyou should be ahle t see the shaft rotating. Mass waler asa Mass ioe 45.00E Man Watet and lce (144 4 Chck on the Sne Data buten in the Thermometer section of the Live Data tab in the tray to ave data to de lab book. Allow 2010 ionda o tein a hanelne sempenatue of the water. Click the ck on the wall labeled Accelerate to acelerane the laboratory time if necestary. Drag the beaher of lee un i seags into place above the calorimter and then pour the ice ima the caleieeer. Obierve the change in empene in the graph window until it reaches sero. Drag the weigh paper from the halance to the calorimeter and hen pour it io the calerimrier, Obene the change in temperatune il rechetale minim nd elick p Saving. Open the Lab Hook tab in the tray to view the collected data. Record the fowral temperatur afier adding the salt below. (Remenber dut e water may have begun to wam back up) Minimum temperature 0 C 5. If you want to repeat the esperiment, click on the red disposal bucket or the Clear Lab buton to clear the lab, open the Preseta menu in the tay and select Lab eer Freering Point Depression-NaC The freezing point depression can be predicted using the equation AT = Km where AT i the change in freezing poing, ithe munber of ies in he solution per mole of dialved NaCu2.mie the molality of the solution, and A is the molal froczing point constant for water which is I86C. Calculate the predicted change in frezing poist for your solation. 7. The change in freezing point aust be subtracted fom the freeting point of pure water, which is O0 C, in order to compane dhe predicted freening point with the actual freezing point. Whar it the calculated freezing point of the selation?
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