At 25° C, the following heats of reaction are known: 2CIF (g) + O2 (g) -> Cl₂0 (g) + F20 (g) A Hrxn= 167.4 kJ/mol 2CIF3 (9) + 202 (9) > Cl₂0 (g) + 3F₂0 (9) A Hrxn= 341.4 kJ/mol 2F2 (g) + 02 (9) -> 2F₂0 (9) A Hrxn=-43.4 kJ/mol At the same temperature, use Hess' law to calculate A Hrxn for the following reaction: CIF (g) + F2 (g)--> CIF3 (8)

Given the following reactions: Reaction # 1 2 3 4 Reaction A(s) + 3B(g) → 3C(g) + D(g) 2E(s) + 3F₂(g) → D(g) F₂(g) + C(g) B(1) B(1)→ B(g) →>> ΔΗ 2,046 29 -289 37 Calculate the enthalpy (in kJ) of the following reaction using Hess' Law: 4E(s) + 3C(g) → 2A(s) Round your answer to the nearest kJ.

Question 8 Use the AH information provided in the table to calculate AHºrn for the following: SO₂Cl₂(g) + 2H₂O(1)→ 2HCI(g) + H₂SO4(1) Enthalpies of Formation Compounds SO₂Cl₂ H2₂O(1) HCI(g) H₂SO4(1) Equations: 1 cal = 4.184 Joules 1 L'atm = 101.325 Joules AE=q+w w=-pΔV q=mcAT (at constant pressure / coffee cup calorimetry) AE AT xc (at constant volume / bomb calorimetry) AHxn-EnAH₂° - EnAHR O-256 kJ -422 kJ -62 kJ +161 kJ AH° (kJ/mol) -364 -286 -92 -814 +800. kJ CH20 = 4.184 J/g °C

QUESTION 3, a) Find the AH for the reaction below, given the following reactions and subsequent AH values H2SO4(1) → so,(g) + H,O(g) H2S(g) + 2 02(g) → H;SO«(1) H2S(g) + 2 O2(g) → SO3(g) + H2O(I) AH =-235.5 kJ H2O(1) → H2O(g) AH =-207 kJ AH = 44 kJ b) Do you expect the overall reaction to be exothermic or endothermic. Justify your answer. C) Using the answer from part a. Calculate the change in energy if 67,5 g of SO3 was collected during the experiment d)lf the 67.5 grams of SO3 were collected at 31 degrees Celsius, at 2.5 atm, calculate the volume of the collected gas. QUESTION 4. Movable Piston Valve O,(g) a) During an experiment Oxygen gas was collected in a container as shown above. The gas was collected at 25 degrees Celsius and 2.4 atm. The size of the container above is 5.4 Liters. Calculate the density of the gas in g/ml. b) After collecting all the gas, the student pushed down the piston to half of the original Volume and measured the temperature, which remained at 25 degrees…

Question 3 of 3 Submit In the following reaction, What quantity in moles of CH;OH are required to give off 1501 kJ of heat? 2 CH;OH (I) + 3 O2 (g) → 2 CO2 (g) + 4 H,0(g) AH° = -1280. kJ %3D |mol 1 3 4 6. C 7 9 +/- x 10 0 Tap here or pull up for additional resources LO 00

question 21 only please

Hello! Can you please help with d)  and if possible with others too (except c)

Name: m NetID: 17. Given the following set of reaction data, H2 (8) + 02(8) –H,O(1) 2B(s) +3H2(g) → B,H6(g) 2B(s) + O2(g) – B,O3(s) AH = -285.83 kJ mol-1 AH= 36.4 kJ mol- AH = –1273.5 kJ mol¬1 wilc pd mol determine the heat of reaction (in kJ mol¯l) for the following reaction. B2H, (g) + 302(8) B2O3(s) + 3H2O(1) lo sb 1ooleps laoin bss jo bra usido AH = ? kJ mol-1 s 26 air jes o s be noi A: -2167 s heet t

(70 A K/s .l.a محمد Use Hess's law to Calculate AH (in kJ/mol) for the following reaction : CI, + F2(9) (g) CIF 3(9) Η ΔΗ, of H,0 μ. KJ/mol and AH°, of H,0 is -241.8 KJ/mol, then the ÄH°, of evaporation of H,ºL in ( KJ/mol) is : is -285.8 (g) Choose... Given the following thermochemical equation: 2C,H18() 16CO2 + 25 0,(g) 2(g) + 18 H,00 ΔΗ -11020 kJ/mol If AH°, [CO,lo = -393.5 kJ/mol 2(g) and AH°; [H,O = -285.8kJ/mol, calculate the standard enthalpy of formation of octane ( C,H,) in kJ/mol Choose...

Question 13