Given the following reaction: 4C2H5Cl2 + 1302 +8CO2 + 10H20 + 4Cl2 AH = -2190 kJ...
Question 20 Given the following reaction: 4C,HCl2 + 1302 +800, + 10H,0 + 4Cl2 AH = -2190 kJ What is the heat change in kJ if 62.2 g of Cl, is produced? 0-140.64 kJ 0 - 340.54 kJ 480.20 kJ -480.17 kJ 35.64 kJ
For the reaction 2C4H10 (g) + 1302 (8) — 8CO2 (g) + 10H20 (g) AH° is -125 kJ/mol and AS is -253 J/K mol. This reaction is spontaneous at all temperatures spontaneous only at high temperature © spontaneous only at low temperature nonspontaneous at all temperatures None of the above
For the reaction 2C4H10 (g) + 1302 (g) 8CO2 (g) + 10H20 (8) AHºis - 125 kJ/mol and AS is -253 J/K mol. This reaction is spontaneous at all temperatures spontaneous only at high temperature spontaneous only at low temperature nonspontaneous at all temperatures None of the above
Question 19 3 pts The value of AH° for the reaction below is 5314 kJ. The amount of heat that is released by the reaction of 40.0 Og of C4H10 is 2C4H10(g) + 1302(g) 8CO2(g) + 10H20(1) 07312 kJ 1827 kJ 6.479 10-5 kJ 0.0001296 kJ 3656 kJ Question 20 3 pts How much heat is required to raise the temperature of 1.00 kg of water from 25°C to 50°C? (The specific heat of water is 4.184 J/g.°C) 209 kJ...
14. (4 pts.) Butane (C4H10) reacts with oxygen (O2) according to the reaction: 2C4H10(g)+1302 (g) 8CO2(g) +10H20 (l) A 4.00 L container is filled with 0.750 atm butane (C4H10). What pressure of O2 must be added to the container to react with butane? a. 137 pts anictdo noitssdsgnimoho eiadW To What would be the total pressure of the container after the O2 has been added? b.
Part A Calculate A H xn for the following reaction: CHA(g) + 4Cl2(g) → CCl4(g) + 4HCl(g) given these reactions and their AH values: | C(s) + C(s) + H2(g) + Express the enthalpy in kilojoules to one decimal place. 2H2 (g) 2Cl2(g) Cl2(g) + CH4(g), + CCL(g), + 2HCl(g), AH = -74.6 kJ AH = -95.7 kJ AH = -184.6 kJ %AM * o aj ? AH,,n= Submit Request Answer
2. Calculate AH (expressed in kJ/mol) for the following reaction based on the thermochemical information given: Na +Crce → NaCl AH ? Nas) + 2Cl2(g) → Nap + Cle AH = 230 kJ/mol Nag) + Cl → Na(+ Cl® AH = 147 kJ/mol Na(s) + Cl2(e) → NaCl) AH = -411 kJ/mol 3. Consider the reaction: 2HCl) + Ba(OH)2(aq) → BaCl(aq) + 2 H200 AH--118 kJ/mol a. Calculate the heat produced when 700.0 mL of 0.500 M HCl is mixed...
8. CH4(g) + 4Cl2(g) → CCl4(g) + 4HCI(g), AH = -434 kJ Based on the above reaction, what energy change occurs when 1.2 moles of methane (CH4) reacts? a. 5.2 x 10 J are released. qui ad b. 5.2 x 10% J are absorbed. c. 3.6 % 10% J are released. d. 3.6 % 10% J are absorbed. e. 4.4 10% J are released.
help help help pls! 17. The value of AH° for the reaction below is -790 kJ/mol. What is the enthalpy change accompanying when 0.95 g of S is completely reacted? 2S (s)302 (g) -2SO3 (g) 18. What is the enthalpy of the following reaction: 4 HCI(g) + O2(g) Given the following thermochemical equations: H2(g)+Cla(g)-2 HCI(g) 2 H2(s)O2(g)- 2 H20(g) 2 Cl2 +2 H2O (g)? AH -185 kJ AH-483.7 kJ
Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O2(g) 2PbO(5) AH° = -434.6 kJ (2) Pb(s) + Cl2(g) →PbCl(s) AH° = -359.4 kJ what is the standard enthalpy change for the reaction: (3) 2 5C12(3) + O2(g)—2PbO(s) + 2Cl2(9) AH° = ?