5. Hydrogen gas burning in excess from oxygen gas in 298K H2g + 1002g H2O+ excess O2g The heat of vaporization water (-242.44kJ), the heat capacity at pressure constant O2 27.17 Gas H2 H2O |С, JK mol Calculate a. AE in 298K 27.17 31.35 b. AH in 498K

5. Hydrogen gas burning in excess from oxygen gas in 298K H2g + 1002g H2O+ excess O2g The heat of vaporization water (-242.44kJ), the heat capacity at pressure constant O2 27.17 Gas H2 H2O |С, JK mol Calculate a. AE in 298K 27.17 31.35 b. AH in 498K

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

D2L Quiz 10-12 - Spring 20 X < + Your Chemistry answe X app.101edu.co W Experiment 5.v2.docx Success Confirmation X Calorie Assesme....pdf A) 5.34 kJ B) 1190 kJ How much heat, in kJ, will be absorbed by a 25.0 g piece of aluminum (specific heat = 0.930 J/g• °C) as it changes temperature from 25.0 °C to 76.0 °C? C) 1.19 kJ Answered: Convert 23 X D) 5340 kJ Question 9 of 25 Untitled docume....pdf 【ENG SUB】《谢谢让 × Aktiv Chemistry data shet 1.HEIC lab expt.7.HEIC Removed X How much heat, in kJ, X =S Update : Submit Show All X
1. The specific heat capacities (in units of J/g-K) of V, W, and Zn are 0.489, 0.132, and 0.388, respectively. What is the order of the molar heat capacities? Formula weights: V 50.94; W 183.8; Zn 65.4 (c) W>V>Zn (a) V>W>Zn (d) W>Zn>V (b) V>Zn>W (e) Zn>V>W
Calculate the enthalpy of the following reaction: CH2 Hz(g) Cy44 (0 2C2H2() 502 4C02 ) D 2 H2O() M -1500 kj 2CzHalg) 602 4C02 (g)+ 4 H20(1) AH -1750 kj 2H2) Ozg) 2H20() AH -623 kj None of the above O 436.5 k/mol O 731.2 k/mol O 436.5 kl/mol O 870.5 k/mol
A chemical reaction takes place in a container fitted with a piston of cross-sectional area 20cm2. As a result of the reaction, the gas undergoes a compression, the piston is displaced by 5cm (toward the bottom of the container), pushed by an external pressure of 105Pa. Calculate the work. a. +100 kJ b. -100 kJ c. -10 kJ d. +10 kJ
The constant heat capacity of perpect with temperature according to the expression a a cample of ZAMOOTMA prers ure fren of punad SOM pound CP / (J K-') gas 2 20.17 0.34 68 CT7K). calculare qi Wi AU and AH when temperature iš raised prom to 100 °C, Ci) at constant ol sig oldenieoh oe 25°0 pressure, (i) dt constant voume.
V:OY IA %YA N& 令 l PNG.9 → حداد H.W) calculate AçH° (500 K) for methane by using the data given on the temperature dependence of heat capacities. CH4(g)+2O2(g)→CO2(g)+2H2O(g) AÇH° (298 K) -891 kJ Cp,m(CO2) = 44.22 + 8.79 × 10-37 - 8.62 × 105 T2 Cp.m(H2O) = 75.29 + 0 + 0 Cp,m(O2) = 29.96 + 4.18 × 10-37 1.67 × 105 T2 Cp,m(CH4) = 35.31
What is AG (in kJ) for 2 SO2(g) + O2(g) – 2 S03(g) at 700 K, under standard conditions of 1 bar partial pressure for all gases, given that K = 3.0×10“ at 700 K? O -60. +36 0.0 +60. -36
Calculate the standard enthalpy of formation of NH, 13(g) + N2c9) 342(9) 2NH. '3(g) AH = -92.2kJ/mol 3H, Select one: а. -36.1 b. -92.2 C. -46.1 d. -31.1 e. -41.1
Need help solving questions 3a, 3b and 3c? Thanks!
1. Unit conversion lang! From the Equipartition Theorem and Dulong-Petit Law, compute the specific heat capacity [ at g-K constant volume of the following substances: a.) oxygen (O₂) gas, b.) argon (Ar) gas, and c.) solid lead J (Pb). Use the following values for constants: R = 8.31[mol-K] -], Mo₂ = 32.0[g/mol], MAr = 39.9[g/mol], Mp=207.2[g/mol]. Answer: (a) Co₂ (b) Car = (c) cpb = = [K] g.K [K]
7 2 Mg + Oz AH = -1204 K). A Is the atove equation exotherwmie or endothermic B. calulate the amount of heat transfered when 2.4g Mg reacts at a constant pressure.
4) Given the reactions (1) and (2) below, determine a) A,H and A.U for reaction (3); b) AH® for both HCl(g) and H₂O(g). Assume all gases are perfect and T= 298 K. (1 point) (1) H₂(g) + Cl2(g) → 2HCl(g) AH +52.96 kJ/mol (2) 2H2(g) + O2(g) → 2H₂O(g) A.HⓇ -483.64 kJ/mol (3) 4HCl(g) + O2(g) → 2Cl2(g) + 2H₂O(g) =