Use the heat equation to calculate the energy, in joules andcalories, for each of the following (see the table):(Figure 1)Part Elost when 12.3 g of ethanol, C2 H; OH, cools from 50.0 °C to -42.0°CExpress your answer using three significant figures.JSubmitPrevious AnswersCompleted; correct answer withheld by instructorPart FFigure1 of 1lost when 12.3 g of ethanol, C2 H5OH, cools from 50.0 °C to -42.0°CSubstancecal/g °CJ/g °CExpress your answer using three significant figures.ElementscalAluminum, Al(s)0.2140.897Copper, Cu(s)0.09200.385SubmitPrevious AnswersGold, Au(s)0.03080.129Iron, Fe(s)0.1080.452Silver, Ag(s)0.0562Completed; correct answer withheld by instructor0.235Titanium, Ti(s)0.1250.523CompoundsPart GAmmonia, NH3(g)0.4882.04Ethanol, C,H;OH(!)0.5882.46lost when 165 g of iron cools from 118° C to 51 °CSodium chloride, NaCI(s)0.2070.864Express your answer using two significant figures.Water, H,0(I)1.004.184Water, H,0(s)0.4852.03J

Answered: Image /qna-images/answer/302c6aa2-a236-4ee1-905f-6bf933bb6052.jpg

lost when 12.3 g of ethanol, C2 H5 OH, cools from 50.0 °C to -42.0° C Express your answer using three significant figures. J Submit Previous Answers Completed; correct answer withheld by instructor • Part F lost when 12.3 g of ethanol, C2 H5 OH, cools from 50.0 °C to -42.0°C Express your answer using three significant figures. cal Submit Previous Answers Completed; correct answer withheld by instructor Part G lost when 165 g of iron cools from 118°C to 51 °C Express your answer using two significant figures. J

lost when 12.3 g of ethanol, C2 H5 OH, cools from 50.0 °C to -42.0° C Express your answer using three significant figures. J Submit Previous Answers Completed; correct answer withheld by instructor • Part F lost when 12.3 g of ethanol, C2 H5 OH, cools from 50.0 °C to -42.0°C Express your answer using three significant figures. cal Submit Previous Answers Completed; correct answer withheld by instructor Part G lost when 165 g of iron cools from 118°C to 51 °C Express your answer using two significant figures. J

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Calculate the amount of heat needed to melt 53.7 g of solid benzene (C,H¸) and bring it to a temperature of 12.5 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. x10 ?
Calculate the amount of heat needed to boil 135. g of hexane (C6H₁4), beginning from a temperature of -29.4 °C. Be sure your answer has a unit symbol and the correct number of significant digits. 0 X
C. The Thermometer and Its Calibration 2. 98 762 Observed temperature of water-and-ice mixture °C °C -Temperature of boiling water Observed atmospheric pressure mm Hg °C True (corrected) temperature of boiling water °C Thermometer correction
part c
Calculate the amount of heat needed to melt 76.0 g of solid ethanol (CH3CH₂OH) and bring it to a temperature of -1.5 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 01 x10 X Ś ? OFF olo Ar
how do you convert Joules to reciprocal cm (cm-1) ?
(CONTINUED ON NEXT PAGE) 4. Let's say that the full volume of your flask is 325 ml. You heat the flask of air in a hot water bath at 89.0°C according to your thermometer. You then inverti into the cold water bath at 5.0°C Water enters the flask as the volume of the gas shrinks. a) Theoretically, what should the volume of the gas be after it sits in the cold water bath? b) You find that during your experiment that 65.0 mL of water has entered the flask. What is the experimental volume of the gas? c) What is your percent error for this measurement?
A gas has a volume of 3.49 L at 0°C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if n and P do not change? Part A You may want to reference (Pages 268 - 269) Section 8.3 while completing this problem. 1.63 L Express your answer to three significant figures in degrees Celsius. ΑΣΦ 国? °C %3D Submit Request Answer Part B 1300 mL Express your answer to three significant figures in degrees Celsius. ΑΣφ ? T = %3D °C Submit Request Answer
Sublimation: 670 Pergram A C E D F 8Ocal Solid Gas Liquid G eva Poratia H Condensatia
Calculate the amount of heat needed to boil 115. g of acetic acid (HCH,CO,), beginning from a temperature of 33.9 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. x10
PLEASE ANSWER
Help with the following question Round the answer to 3 sig figs