bject)-ftantilludeledu- xMail-Francesca A Tantillo-Out x START HERE CHM150-251 Che XCS95°FMostly sunny1Qapp.101edu.coAZPressure (atm)2WSXAltDiamondGraphiteF23ETemperature (K)DAt what temperature and pressure would graphite, liquid carbon, and carbon gasall exist in equilibrium?CCLiquid$4HORGasA phase diagram for elemental carbon is shown below.F4FVDll 15FS%5TG6Question 22 of 37BAktiv ChemistryF6YH*&7UNJXA) approximately 1 x 10 atm, 4100 KB) approximately 1 x 102 atm, 3800 KPrtScnC) approximately 1 x 10 atm, 3800 KD) approximately 1 x 10² atm, 4100 KE) approximately 1 x 102 atm, 6900 K▾ 0*8HomeIM19KN N(9End F10O<)0LAltPgUpPPgDn12>;+B=XUpdate:128 PMD7/23/20221800Submit<DelBackspaceEnter18Shift

For any phase to exist in equilibrium, the point at the phase diagram should coincide between all…

bject) ftantilludel.edux Mail-Francesca A Tantillo-Out x START HERE CHM150-251 Che X C app.101edu.co 95°F Mostly sunny C 1 Q A Z 0 Pressure (atm) @ 2 W S Diamond Graphite 4x 12 # 3 Temperature (K) E A phase diagram for elemental carbon is shown below. At what temperature and pressure would graphite, liquid carbon, and carbon gas all exist in equilibrium? 4 D C Liquid $ 4 Gas R O 40 F 14. V Dil % 5 T G A 6 B Question 22 of 37 Aktiv Chemistry F6 Y H * 17 & 7 U N J A) approximately 1 x 10 atm, 4100 K B) approximately 1 x 10² atm, 3800 K C) approximately 1 x 10 atm, 3800 K D) approximately 1 x 10² atm, 4100 K E) approximately 1 x 102 atm, 6900 K PrtScn, X ▾ 0 * 8 I M Home 19 K N N ( 9 End 10 O < ) 0 L PgUp P F11 PgDn 12 - ; > B + 0 = . ? 2 Update Submit 120 PM D 7/23/2022 X ins Del Backspace Enter Shift

bject) ftantilludel.edux Mail-Francesca A Tantillo-Out x START HERE CHM150-251 Che X C app.101edu.co 95°F Mostly sunny C 1 Q A Z 0 Pressure (atm) @ 2 W S Diamond Graphite 4x 12 # 3 Temperature (K) E A phase diagram for elemental carbon is shown below. At what temperature and pressure would graphite, liquid carbon, and carbon gas all exist in equilibrium? 4 D C Liquid $ 4 Gas R O 40 F 14. V Dil % 5 T G A 6 B Question 22 of 37 Aktiv Chemistry F6 Y H * 17 & 7 U N J A) approximately 1 x 10 atm, 4100 K B) approximately 1 x 10² atm, 3800 K C) approximately 1 x 10 atm, 3800 K D) approximately 1 x 10² atm, 4100 K E) approximately 1 x 102 atm, 6900 K PrtScn, X ▾ 0 * 8 I M Home 19 K N N ( 9 End 10 O < ) 0 L PgUp P F11 PgDn 12 - ; > B + 0 = . ? 2 Update Submit 120 PM D 7/23/2022 X ins Del Backspace Enter Shift

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...

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The vapor pressure, P, of a certain liquid was measured at two different temperatures, T. The data is shown in this table. T(K) P (torr) 308.9 147.3 3514 785.8 If you were going to graphically determine the enthalpy of vaporization, AH for this liquid, what points would you plot? To avoid rounding errors, use three significant figures in the x values and four significant figures in the y values. point 1: x- point I: y- point 2: x- point 2: y- Determine the rise, run, and slope of the line formed by these points. rise: run: slope: What is the enthalpy of vaporization for this liquid? All J/mol
The VP at another temperature can also be calculated using a modified version of the Clausius-Clapeyron Equation equation: In P₁_ AHvap (T₁-T2 P2 R T1 T2 Example: The vapor pressure of ethanol is 100 mm Hg at 34.9 °C. What is its vapor pressure at 63.5 °C? (AHvap for ethanol is 39.3 kJ/mol).
deledu xMail-Francesca A Tantillo-Out XSTART HERE-CHM150-251 Che x 101edu.co 21 Mostly sunny W S X 4 Diamond Graphite 4x 3 E D Liquid Temperature (K) A phase diagram for elemental carbon is shown below. Starting at liquid carbon, which action(s) would produce carbon gas? $ R HO Gas F V Dil FS % 5 T G I B P A 6 Question 23 of 37 Aktiv Chemistry Y H * N & 7 U * J PrtScn * 8 A) raising the temperature + M B) lowering the temperature C) lowering the pressure D) raising temperature and raising pressure 0 Home K F9 ( 9 O V End Alt F10 L ) 0 PgUp 11 P A - B PgDn12 { BU ^ 90 + D } + 1:28 PM 7/23/2022 Ins O Update Submit D X Del Backspace T Enter
Enter your answer in the provided box. From the data below, calculate the total heat (in J) needed to convert 0.226 mol of gaseous ethanol at 300.0°C and 1 atm to liquid ethanol at 25.0°C and 1 atm: AH° : 40.5 kJ/mol vap b.p. at 1 atm: 78.5°C Cgas 1.43 J/g-°C Cliquid 2.45 J/g.°C
Refer to the following phase diagram (not to scale!) for sulfur dioxide: P atm 78 1.00 0.0017 197.6 200.4 Choose all that apply T Kelvin A sample of sulfur dioxide at a pressure of 1.70×10-3 atm and a temperature of 266 K is compressed at constant temperature to a pressure of 83.7 atm. Which of the following are true? 263.1 430.7 The sample is initially a gas. The liquid initially present will vaporize. The final state of the substance is a liquid. The sample is initially a solid. One or more phase changes will occur.
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Calculate the amount of energy in kilojoules needed to change 369 g of water ice at –10 °C to steam at 125 °C. The following constants may be useful: Cm (ice) = 36.57 J mol-1 °C-1 Cm (water) = 75.40 J mol-1 °C-1 Cm (steam) = 36.04 J mol-1 °C-1 Afus H = +6.01 kJ mol-1 Avap H = +40.67 kJ mol- 1
Use the References to access important values if needed for this question. The normal boiling point of liquid pentane is 309 K. Assuming that its molar heat of vaporization is constant at 26.8 kJ/mol, the boiling point of C5H12 when the external pressure is 1.23 atm is K.
90. The normal boiling point of water is 100.00 °C and the enthalpy of vaporization at this temperature is ¢vapH = 40.657 kJ mol-1. What would be the boiling point of water if it were based on a pressure of 1 bar instead of the standard atm?
It is already known the specific heat of water is 4200 J/kg/°C. The vaporization energy of water is 2.3 x 103 kJ.kg'. One single heliostat (1 m² area) in a CSP station collects 104 W/m² solar energy. Assume all the heat could be used; to generate 2 Kg water (20 °C, 1 atmosphere) into steam completely by two heliostats, at least how many seconds will be needed? 527.2 s 131.8 s O 263.6 s O Never
$ 4 R F [Review Topics] Refer to the following phase diagram (not to scale!) for neon: P atm 26.2 1 1.00 V 0.425 Choose all that apply T Kelvin A sample of neon at a pressure of 1.00 atm and a temperature of 26.3 K is heated at constant pressure to a temperature of 51.6 K. Which of the following are true? 5 The liquid initially present will solidify. The final state of the substance is a gas. The sample is initially a solid. One or more phase changes will occur. The sample is initially a liquid. T G 244 24.5 E B Cengage Learning Cengage Technical Support 6 MacBook Air Y H 27.1 44.4 & 7 N U J 8 M D-II 1 K ( 9 H 4 [References] O ) O L P 18 command A . ; option { [ Previous + ? 11 ✰ ✰ O Next> Save and Exit Ne X 1 delete 1: S + Update V D (?
The normal boiling point of liquid methanol is 338 K. Assuming that its molar heat of vaporization is constant at 36.6 kJ/mol, the boiling point of CH3OH when the external pressure is 1.28 atm is | K.