10/15/20246:24 PM (GMT-04:00) 90 80 70 60 50 40 30 20 10 2840.3 0 4000 3500 3000 2500 Step 1 mout blank 0-29-2024 5-44 PM (GMT-04-00) thermo scientific Step 2 10-29-2024 5-44 PM (GMT-04-00) 90 10/29/20245:44 PM (GMT-04:00) 80 70 60 50 40 30 20 10 0 IPZIE OTTE 4000 3500 3000 -22-2024 7-13 PM (GMT-04-00) 100 02/20247:13-94(GMT-04:00) 90 3452.6 3072,8 80 70 60 50 40 30 20 10 0 4000 3500 3000 2500 1174 1 1026 446 2000 1500 1000 500 Wavenumbers (cm-1) 6:900 Page 1 of 1 Username: ftir01 Report created: 10/29/2024 5:46 PM (GMT-04:00) 1508.6- 1586.7 1398.8 1301.5- 1247.3 1180 T 6 S 9/ 8268141-799.6—————— 684.7 7204- 603 304 2500 2000 Stip3 1500 1000 500 1768.8 1704.8 16092 1382 1167795247 1 300:4- 1091 511004909 9701 6263644.7 2000 1500 1000 500 Wavenumbers (cm-1)

10/15/20246:24 PM (GMT-04:00) 90 80 70 60 50 40 30 20 10 2840.3 0 4000 3500 3000 2500 Step 1 mout blank 0-29-2024 5-44 PM (GMT-04-00) thermo scientific Step 2 10-29-2024 5-44 PM (GMT-04-00) 90 10/29/20245:44 PM (GMT-04:00) 80 70 60 50 40 30 20 10 0 IPZIE OTTE 4000 3500 3000 -22-2024 7-13 PM (GMT-04-00) 100 02/20247:13-94(GMT-04:00) 90 3452.6 3072,8 80 70 60 50 40 30 20 10 0 4000 3500 3000 2500 1174 1 1026 446 2000 1500 1000 500 Wavenumbers (cm-1) 6:900 Page 1 of 1 Username: ftir01 Report created: 10/29/2024 5:46 PM (GMT-04:00) 1508.6- 1586.7 1398.8 1301.5- 1247.3 1180 T 6 S 9/ 8268141-799.6—————— 684.7 7204- 603 304 2500 2000 Stip3 1500 1000 500 1768.8 1704.8 16092 1382 1167795247 1 300:4- 1091 511004909 9701 6263644.7 2000 1500 1000 500 Wavenumbers (cm-1)

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions

Section: Chapter Questions

Problem 117SCQ: You have the six pieces of metal listed below, plus a beaker of water containing 3.00 102 g of...

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6 S+0₂ 250₂ 25 + - 30₂ 0₂-2503 S0₂ - 2503 AH--196 KJ AH-790kJ
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Lauto.d21?ou=2194845&isprv3D&drc=0&qi=2824083&cfql=0&dnb=D0&f Calculate the standard enthalpy change for the reaction 2C8H18(1) + 17O2(g) → 16CO(g) + 18H20(1) Given: 2C3H18(1) + 2502(g) – 16CO2(g) + 18H20(1) AH° = -11020 kJ/mol 2C0(g) + O2(g) – 2CO2(g) AH° = -566 kJ/mol a) 10450 kJ/mol b) -6492 kJ/mol O c) 15550 kJ/mol d) 6492 kJ/mol e) -10450 kJ/mol
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00 P and Hei 3. Considering the techniques and instrumentation used to perform these experiments, identify 2 potential sources of error if you were to repeat this experiment in the "real world". Human error is not an acceptable answer. Discuss at least two possible sources of error that could contribute to your percent error. 4. A student is performing Reaction 2 and does not completely dissolve the NaOH pellets before acquiring the final temperature. How will this affect his value for AH, and his percent error calculations?
q- mcAT Substance aJ kgK Substance cIJ kg"K Aluminium 900 Ice 2100 Iron/steel 450 Wood 1700 Copper 390 Nylon 1700 Brass 380 Rubber 1700 Zinc 380 Marble 880 Silver 230 Concrete 850 Mercury Tungsten 140 Granite 840 135 Sand 800 Platinum 130 Glass 670 Lead 130 Carbon 500 Hydrogen 14000 Ethanol 2400 Air 718 Paraffin 2100 Nitrogen 1040 Water 4186 Steam 2000 Sea water 3900 How much heat (J) must be added to a 50.0 g sample of zinc if the temperature increases from 20 C to 25 °C? a) b) If 500.0 J of heat must be added to a sample of carbon in order to increase the temperature by 10*C, what is the mass (kg) of the sample of carbon? c) If it takes 450.0 J of heat to raise the temperature of 0.05 kg of an unknown metal by 25°C, what is the specific heat of the metal (?
3120 kJ 21-04-07-20 1-1-00-400 = 1 1942 1941 14 17 +7038 - 4000+ 87024+18947371 Cangas Calculate
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