Q 1 please 1) Calculate the standard enthalpy of reaction for the combustion of methane: loCO₂(g) + 2H₂O(g) →CH₂(g) +20₂(g), AH =?or 80-10Given that: AH, (CH₂(g))= -75 KJ/mol, AH', (CO₂(g))= -394 KJ/mol, and AH, (H₂O(g))= -284 KJ/mola) AH = -887 KJ/mol b) AH = +887 KJ/mol c) AH = -443.5 KJ/mol d) AH = 443.5 KJ/molrzFAN2) In the following figure, if AH₁ = 1000 KJ, AH3 = +1000 KJ, AH4 =-1000 KJ, calculate AH₂?a) AH-1000 KJ zorlub) AH 1000 KJc) AH₂= -3000 KJd) AH₂=3000 KJ3) A 300-g piece of iron at 70 °C is dropped into 266.4 mL of water at 24.0 °C. The final temperature of the waterand iron was measured as 40 °C. Calculate the specific heat of the iron. Assume the specific heat of the wateris 4.18 J/(g.°C)?a) S.Hiron = 2.97 J/(g.°C) b) S.Hiron = 2.55 J/(g.°C)c) S.Hiron 2.23 J/(g.°C) d) S.Hiron = 1.98 J/g °C)is zero (q=0)?c) Isobaric process4) In which process, heat absorbed or released by a systema) Adiabatic processb) Isothermal process5) Enthalpies of two reaction are given below;A+B →C+2D, AH,= - KJ/molC+E →A+F, AH₂=+x KJ/molCalculate AH for the reaction: 3A +2B+F→→3C+4D+Eb) AH=2x + ya) AH=2% - Yc) AH=X+YO Indicate which one of the following reactions result in a negative ASsys?a) H₂O(g) H₂O(s)c) CuSO4.(H₂O)s (s)CuSO4(s) + 5H₂O(g) (According to 2nd law of thermodynamics, in a spontaneousa) the entropy of the systemc) the energy of the universeDA- ΔΗ,AH, BAH, CAH₂b) CaCO3(s)d) CO₂(aq) + CO₂(g)d) Isochoric processCaO(s) + CO₂(g)A reaction is at equilibrium at a given temperature and constant pressure whena) AGsys > 0b) AGsys <0c) AGsys=0d) AH = -x - 2yprocess, which of the following always increasesb) the enthalpy of the systemd) the entropy of the universed) AHsys >0The enthalpy and entropy of vaporization of ethanol are 38.6 kJ/mol and 109.8 J/mol K, respectively. Whais the boiling point of ethanol, in °C? No 1 batza) 352 °CRETO.0b) 78.5 °C 1 c) 2.84 °Cd) 624 °C

Answered: Image /qna-images/answer/e5b536fc-c456-4a0d-a516-b663071ce3a4.jpg

1) Calculate the standard enthalpy of reaction for the combustion of methane: CO₂(g) + 2H₂O(g) →CH₂(g) +20₂(g), AH =?or-80-10 lo vo Given that: AH, (CH₂(g))= -75 KJ/mol, AH, (CO₂(g))= -394 KJ/mol, and AH', (H₂O(g))= -284 KJ/mol a) AH-887 KJ/mol b) AH = +887 KJ/mol c) AH = -443.5 KJ/mol d) AH = 443.5 KJ/mol FOR Fan FER

1) Calculate the standard enthalpy of reaction for the combustion of methane: CO₂(g) + 2H₂O(g) →CH₂(g) +20₂(g), AH =?or-80-10 lo vo Given that: AH, (CH₂(g))= -75 KJ/mol, AH, (CO₂(g))= -394 KJ/mol, and AH', (H₂O(g))= -284 KJ/mol a) AH-887 KJ/mol b) AH = +887 KJ/mol c) AH = -443.5 KJ/mol d) AH = 443.5 KJ/mol FOR Fan FER

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

Need help with homework
% A- vs pH 100 90 80 70 60 & 50 40 30 20 10 .. 5 7 9. 10 11 PH Use the data above to calculate Kb. O 4.0x10-7 O 4.2x10-5
11. Billy is running away from a Wells Fargo bank at a speed of 13 kilometers per hour (units are km/h). If the distance between the bank and the border to Mexico is 1.9 km, will he be able to get there before the cops arrive in 9 minutes? How long will it take for him to reach the border? (Hint: speed = distance / time, 1 hour = 60 minutes)
Convert 76.9 L to cm3. O76900 cm3 O 7690 cm3 O 769000000 cm³ O769000 cm3
None
Which of the following values for R2 shows the strongest correlation between the X and Y values in a data set? 0.0184 0.0047 0.500 0.981 0.9678
Suppose that you are required to calculate the number of Ar atoms (N') in a certain mass m of Ar. [wher? N=Avogadro's number, m=mass and M= molar mass] Choose the correct operation for calculating the number of Ar atoms (N'): a. Given that m = 21.34 g, the correct operation after substituting the correct values looks like: b. C. N': = The number of Ar atoms is: Unit
The force that one object exerts on another object when they rub against each other in opposite direction and slows down an object is __.
The decomposition of SOCI2 is first-order in SOCI). If the half-life for the reaction is 4.1 hr, how long would it take for the concentration of SOCI2 to drop from 0.36 M to 0.045 M?
2-
Part C F10 BO O 3.04 × 10³ 6.27 x 10-1 The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is equivalent to ug drug per kg of body weight. ► View Available Hint(s) O 627 O 1.38 × 10³ P Pearson * Education Inc. All rights reserved. | Terms of Use Privacy Policy. Permissions Contact Us | Bb Home L End Insert ■ Review |- Constants | Periodic Table 1 2
Br2 H,0 DMSO 2013 Pearson Education, Inc.