The value of AH° for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of Sis KJ. 25 (s) + 302 (9) ► 2503 (9) Select one: a. 12 b. -12 C.-790 d. 23 .-23
please help and provide explanations! Section II. Short answer. (Record all answers on the answer sheet with the appropriate number of significant figures) 16. Consider a neutralization reaction in which KOH(aq) is mixed with H2SO4(aq) in a coffee-cup calorimeter. If 147.0 g of liquid in the coffee-cup calorimeter rises 8.30 °C, how much heat is released by the neutralization reaction in kJ? 17. The value of AHº for the reaction below is - 790 kJ/mol. What is the enthalpy change...
1. 10.0 501 uur g of water (specific heat, 4.184 J/g.K), initially at 25.0°C. What is the final temperature of th system in °C? 2. Given the enthalpy changes for the first two reactions, find the enthalpy change of the last reaction. S (s) + O2(g) → SO2 (g) AH° = -296.1 kJ 2503 (9) 2002 (g) + 02 (8) AH° = 198.2 kJ 2S(s) + 302(g) → 2503(g) AH = ? 3. Ethyl alcohol is produced by the fermentation...
4) The value of AH for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is kJ. 2S (s) +302 (g) 2SO3 (g) sinoge E) -790 D-12 D) 23 B) 12 A)-23
8) For which one of the following reactions is AHⓇxn equal to the heat of formation of the product? A) N2(g) + 3H2(g) + 2NH3 (8) B)(1/2)N2(g) + O2(g) → NO2(g) C) 6C(s) + 6H (g) → C6H6 (1) D) P (8) + 4H (g) + Br(g) - PH4Br (1) E) 12C (g) + 11H2(g) + 110 (g) → C6H22011 (8) (8) - PH4Br (1) A 9) The AE of a system that releases 12.4 J of heat and does...
help Using the Hess' law to calculate the enthalpy (kJ) of the reaction of the following reaction 2502 (g) + O2(g) → 2503 (g) by using the two given reactions below 25 (s) + 302 (g) → 2503 (g) AH = -790 kJ S (s) + O2 (g) → SO2(g) AH = -297 kJ 196 O-543 1087 0-1384 0-196
Consider the reaction for the formation of aluminum oxide from aluminum and oxygen. 4 Al(s) + 30,(9) — 2 A1,0,(s) AH Express the enthalpy of the following reaction, AH , in terms of AH. 2 Al,0,($) — 4 Al(s) + 302(g) AH, AH2 = estion 9 of 10 > Express the enthalpy of the following reaction, AH3, in terms of AH. 12 Al(s) +90,(8) — 6 A1,0,(s) AH AH3 = Express the enthalpy of the following reaction, AH4, in terms...
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
43) The value of for the reaction below is -790 kJ. The enthalpy change accompanying the reaction of 0.95 g of S is __________ kJ. 2S(s) + 3O2 (g) à 2SO3(g) A) 23 B) -23 C) -12 D) 12 E) -790 AH
QUESTION 7 Calculate the enthalpy (AH) for the following equation: 2S(s) + 302(g) +2503(g) from the data shown below. S(s) + O2(g) → SO2(8) AH = -297 kJ 2503(8) ► 2802(g) + O2(8) [see module 9] AH = 198 kJ 0-99 kJ O-693 kJ O-396 kW O -792 KW -17