16. Using the information below, determine the enthalpy change (in kJ) for the reaction of 50.0 g of oxy gas (MW 32.0) with excess diborane gas (B2H6; MW 27.6). B2H6(g) + 302(g) B2O3(s) + 3H20() AH--2147.5 kJ a. -3360 kJ b. -2150 kJ c. -1300 kJ d. -1120 kJ

Calculate the enthalpy change in kJ for the following reaction given the data below.  Answer: -610.1 kJ      P4O10(g) + 6 PCl5(g) --> 10 Cl3PO(g)                A                1/4 P4(s) + 3/2 Cl2(g) --> PCl3(g)          Ho/kJ = -306.4  B                P4(s) + 5 O2(g) --> P4O10(g)               Ho/kJ = -2967.3            C                PCl3(g) + Cl2(g) --> PCl5(g)                    Ho/kJ = -84.2            D                PCl3(g) + 1/2 O2(g) --> Cl3PO(g)            Ho/kJ = -285.7

Nitric acid, HNO3, reacts with potassium hydroxide as follows: HNO3(aq) + KOH(aq) ⟹ KNO3(aq) + H2O(l) A student places 55.0mL of 1.3M HNO3 in a coffee cup calorimeter, and noted that the temperature was 23.5oC. 55mL of 1.3M KOH also at 23.5oC was added. After quickly stirring with a thermometer, the temperature rose to 31.8oC. Calculate the heat generated by the reaction.

According to the reaction below what is the value of KKJ for the complete combustion of 1.00 g of CH4g?

Consider the following reaction: CH4 (9) + 20, (g) → CO2(g) + 2H,0(1) AH=-891 kJ a. Calculate the enthalpy change if 2.59 g methane is burned in excess oxygen. Enthalpy change = kJ b. Calculate the enthalpy change if 3.04 × 10° L methane gas at 737 torr and 25°C is burned in excess oxygen. Enthalpy change = kJ

The equation I found for 2a was: C3H6 + 9/2 O2 ----> 3CO2 +3H2O

The value of AH° for the reaction below is -6535 kJ. ob kJ of heat are released in the combustion of 16.0 g of C6H6 (1)? MM C6H6 = 78.12 g/mol 2C6H6 (1) + 1502 (g) → 12CO2 (g) + 6H₂O (1) 1 A) 669 SHAHB)-6535 C) 1.34 x 103 D) 5.23 x 104 E) 2.68 x 103   Only typed solution.

Use reaction A and B to find the enthalpy of reaction for reaction C. A. 4 Ga (s) + 3 O2 (g) -> 2 Ga2O3 (s) B. 2 Ir (s) + 1.5 O2 (g) -> Ir2O3 (s) C. 6 Ir (s) + 3 Ga2O; (s) -> 3 Ir,O; (s) + 6 Ga (s) AHA = -560.6 kJ ΔΗ AHB = -661.6 kJ AHc = ???? kJ

3H2SO4 (aq) + 2Al(s).  ---->  Al2(SO4)3 (aq) + 3H2 (g)    DeltaH = - 1055kJ a. What is the enthalpy change when 35.3 mL of 0.430 M sulfuric acid reacts with 0.436 g aluminum? b. Calculate the standard enthalpy of formation for Al2(SO4)3 (aq)

The reaction between hydrogen and oxygen to yield water vapor has AH" = -1843 2H₂(g) + O₂(g) 2H₂O(g)AH <=-484kJ Part A What is the enthalpy change in kilojoules when 0.70 mol of H₂ reacts with 0.35 mol of O, to produce 0.70 mol of H₂ at constant pressure of 1.00 atm? Express your answer as a whole number. AH = Submit Part B W= Submit 1957 ΑΣΦ How much PV work is done in kilojoules for this reaction at constant pressure of 1.00 atm if the volume change is-9-2 L? Express your answer using two significant figures. 100 ΑΣΦΑ Part C Request Answer Request Answer kJ What is the value of AE for this reaction in kilojoules?