Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculate the reaction enthalpy of this reaction under standard conditions: Fe,O3(s)+3 CO(g)→2 Fe(s)+3 CO,(g) Round your answer to the nearest kJ.

You mix 125 mL of 0.250 M CSOH with 50.0 mL of 0.625 M HF in a coffee-cup calorimeter, and the temperature of both solutions rises from 21.70 °C before mixing to 24.59 °C after the reaction. CsOH(aq) + HF (aq) → CsF(aq) + H₂O(l) What is the enthalpy of reaction per mole of CSOH? Assume the densities of the solutions are all 1.00 g/mL, and the specific heat capacities of the solutions are 4.2 J/g. K. Enthalpy of reaction = kJ/mol

Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculate the reaction enthalpy of this reaction under standard conditions: 2NaOH (s) + CaCl2 (s) → CaOH2 (s) + 2NaCl (s)Round your answer to the nearest kJ .

A chemist measures the enthalpy change AH during the following reaction: 2 KCl(s) + 302(g) →2 KClO3(s) AH=78. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ. reaction ΔΗ ㅁ x10 2K C103 (s) → 2KC1(s) + 302(g) KCIO, (s)-KCI(s) + 0,(s) 3 KCI(s)+0, (g)KCIO, (s) kJ kJ 1 5

Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -103.2 kJ: 4HCl(g) + O2(g) → 2H₂O(g) + 2Cl₂ (g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(g) is I kJ/mol red Species AH (kJ/mol) H₂O(g) -241.8 Cl₂(g) 0.0 0₂ (9) 0.0

A chemist measures the enthalpy change AH during the following reaction: H₂O(1)→ H₂O(g) ΔΗ = 44. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction 3H₂O(g) → 3H₂O (1) 4H₂O(1)→ 4H₂O(g) H₂O(g) → H₂O (1) AH kJ x10 X Ś

Find the enthalpy change for this reaction using the data below. Clearly show how you got the answer. 2 Al(s) + 3 Cl2 (g) → 2 AlCl3 (s) Data: (a) 2 Al(s) + 6 HCl(aq) → 2 AlCl3 (aq) + 3 H2 (g)                     H = −1049 kJ (b) AlCl3 (s) → AlCl3 (aq)                                                             H = −323 kJ (c) H2 (g) + Cl2 (g) → 2 HCl(g)                                                    H = −185 kJ (d) HCl(aq) → HCl(g)                                                                     H = +74.8 kJ

A scientist measures the standard enthalpy change for the following reaction to be -912.5 kJ:2NH3(g) + 3 N2O(g)4N2(g) + 3 H2O(g)Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O(g) is  kJ/mol.

（1）Consider the reaction: 2A (g) + 3 B (g) → 2 C (g)     ΔHrxn = +254.3 kJ What will be the enthalpy change (in kJ) if 0.471 mol B reacts in excess A?   （2）Consider the reaction: C (s) + O2 (g) → CO2 (g)     ΔHrxn = -393.5 kJ What mass of carbon (in g) must be reacted via this mechanism to release 581.2 kJ of heat?

Given the following reaction: 2NO (g) + O2 (g) → 2NO2 (g)           ΔrH0 = - 114.1 kJ/mol Calculate the enthalpy change when 1.25 g of NO gas is converted completely converted to NO2 gas. Enter your answer to 2 decimal places.