The standard enthalpies of combustion of formaldehyde, H2C=O(g), and formic acid, HCOOH(1), are -563 and -270 kJ/mol respectively. What is AH° for the following reaction? H2C=0(g) + ½ 02 --> HCOOH(I)

The standard enthalpies of combustion of formaldehyde, H2C=O(g), and formic acid, HCOOH(1), are -563 and -270 kJ/mol respectively. What is AH° for the following reaction? H2C=0(g) + ½ 02 --> HCOOH(I)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: snip

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: Calculate the enthalpy for this reaction: 2C(s) + H2(g) ---> C2H2(g)AH° = ??? kJ Given the following…

Q: a)Given the standard enthalpy changes for the following two reactions: (1) Sn(s) +…

Q: Given the standard enthalpy changes for the following two reactions (1) 4C(s) + 5H2(g)–C,H10(g) AH°…

A: If the given reaction is multiplied by 2 by two, then value of the given standard enthalpy change…

Q: Calculate the AH for the reaction: C2H4 (g) + H2 (g) - --> C2H6 (g), from the following data: C2H4…

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: Please find the solution attached as handwritten note( as required ).

Q: The standard enthalpies of combustion at 25°C of hydrogen gas, H2(g), n-butane – C4H10(g), 1-butene…

Q: - 400 -600 CH4(g) +20₂(g) → CO₂(g) + 2H₂O(L) AHxn--900 kJ/mol AH, H₂O(L) ~ -300 kJ/mol AH, CO₂(g) =…

Q: 10. From the following enthalpies of reaction 2 H2 (g) + O2 (g) →2 H,0 () AH = -572 kJ H2 (g) + O2…

A: The reaction is said to be endothermic if the heat is absorbed in the reaction. The sign of enthalpy…

Q: Calculate the standard reaction enthalpy for the reaction: N2H«(1) + 2 H2O2(1) → N2(g) + 4 H2O(1) *…

A: Answer: In the given chemical reaction, 1 mole of N2H4 is reacting with 1mole of H2O2 to form 1 mole…

Q: 12. Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:…

A: The value of ∆H depends on Stoichiometry of the chemical reaction If a chemical equation is…

Q: A chemist measures the enthalpy change AH during the following reaction: C6H12O6(s) 2 CO2(g) + 2…

A: The enthalpy change (ΔH) of a reaction is the amount of heat absorbed or released by the reaction.…

Q: 39 3)Use the standard reaction enthalpies given below to determine AH°rxn for the following…

A: Given: N2 (g) + O2 (g) -----> 2 NO (g) ....∆H°rxn = +183 kJ 1/2 N2 (g) + O2 (g) -----> NO2…

Q: 7) Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:…

Q: lculate the enthalpy for this reaction to the nearest whole number 2C(s) + H₂(g) ---> C₂H₂(g) AH° =…

Q: 5. Calculate the enthalpy of the following reaction: 2Mg + 02 → 2MgO Given: Mg + 2HCI → MgCl2 + H2…

A: The problem is asking us to calculate the enthalpy change (ΔH) for the reaction 2Mg + O2 → 2MgO. We…

Q: Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data:

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: Suppose we have measured values of AH for these two reactions: C(s) + O2(g) → CO2(g) 2 CO(g) + O2(g)…

A: The 2 reactions given are 1) C (s) + O2 (g) ------> CO2 (g)…

Q: Use the standard reaction enthalpies given below to determine AH°rn for the following reaction:…

A: In this question, we want to determine ∆H° for the formation of PCl5 from P4 and Cl2 gas How to…

Q: Given the balanced equation, use the bond enthalpies to estimate AHrxn (in kJ) for the following…

Q: Given that H,(g) + F,(g) – 2 HF(g) → 2 HF(g) AHom = -546.6 kJ 2 H,(g) + 0,(8) 2 H,O(1) AHm = -571.6…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.

Q: 36. The standard enthalpy (AH) for the reaction of CaCO, with HCI CaCo, + 2 HCI → CaCl, + H,0• CO, +…

A: Enthalpy is a thermodynamic quantity which are extensive property

Q: Calculate the standard reaction enthalpy for the following reaction in KJ*mol. CH4(g) + H2O(g) -->…

A: Hess's law states that enthalpy change of reaction is independent of initial and final states. If…

Q: N2(g) +3 H2(g) 2 NH3(g) AG° = -28.0 kJ and AS° = -198.7 J/K at 323 K and 1 atm. This reaction is…

Q: E)Calculate the enthalpy for the combustion of 1.0 mol CH4, at 25 °C and 1 atm. AH° (kJ/mol) CH4(g)…

A: CH4(g) + 2O2(g)----> CO2(g) + 2H2O(l)

Q: In Section 5.7 we used Hess's law to calculate AH° for the combustion of propane gas at 298K: CH₂(g)…

A: ∆H° = -891 kJThe relation between H°, S°, ∆G° is,∆G° = ∆H° - T∆S°

Q: A chemist measures the enthalpy change AH during the following reaction: CS2(g) + 3 Cl2(g)→CC14(1) +…

A: The first reaction is simply the original reaction multiplied by 3. Therefore, the enthalpy change…

Q: 1. From the following enthalpy changes, S (s) + 3/2 O₂ (g) → SO3(g) 2 SO₂ (g) + O₂(g) → 2 SO3 (g)…

A: Hess's law states that if a process can be expressed as the sum of two or more steps, the enthalpy…

Q: 2A(S) + 2B(s) -> 2C(S) + D(g) Calculate reaction enthalpy in kJ given the following: X(s)…

A: Given, X(s) +1/2D(g)->A(s) H1= -379kJ Y(g) + B(s) -> Z(g) H2= -37kJ X(s) + Z(g)…

Q: 5b. The Standard Molar Enthalpy of Formation (AH° f ) of hydrogen cyanide, (HCN(g)), cannot be…

Q: Calculate the standard enthalpy change for the reaction 2 Al (s) + Fe2O3 (s)  2 Fe (s) + Al2O3 (s)…

Q: A scientist measures the standard enthalpy change for the following reaction to be -340.6 kJ: 2Na(s)…

A: The given reaction is :The standard enthalpy change for the following reaction is measured to be…

Q: Calculate the enthalpy for this reaction 6C(s, gr) + 3H2(g) →CgHg(2) given the following…

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g) -16CO(g) + 18H20(). Given…

Q: Calculate the quantity of energy transferred (q), in kJ, by the combustion of 177 mL of acetone…

Q: What is the change in the enthalpy (in kJ) for the complete combustion of 39.0 g of fructose,…

A: Heat of reaction or enthalpy change∆Hrxn is defined as heat released and absorbed during a reaction.…

Q: HCI(aq) + Ba(OH)2(aq) --> Bacl2(aq) + 2 H20(1) AH= -118 kJ Calculate the heat when 114.0mL of 0.50OM…

A: a) Moles of HCl can be calculated as., 0.500 M HCl = 0.500 moles/ 1 L we have, 114 mL, which is…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Zn(s) + O2(g) → 2ZnO(s)…

A: Enthalpy change for a reaction is the amount that is evolved or absorbed by a reaction at different…

Q: Determine the enthalpy for the reaction 2A + 2B --> D Given: A + B --> 2C where AH = 83.2 KJ and D…

A: Enthalpy of the reaction can be calculated as:

Q: A chemist measures the enthalpy change AH during the following reaction: C6H12O6(s)-2 CO2(g) + 2…

A: The enthalpy change, ΔH, of a reaction is the amount of heat absorbed or released during the…

Q: A scientist measures the standard enthalpy change for the following reaction to be - 1141.6 kJ:…

A: The standard enthalpy change (ΔH) during a given reaction can be calculated from the enthalpy of the…

Q: Calculate AH for the reaction, C,H,(g) + H,(g) → C,H,(g) Given: (a) 2 C,H,(g) + 5 0,(g) →4 CO,(g) +2…

Q: 3. Given the following equations and AH values, determine the heat of reaction at 298 K for the…

A: Hess's law states that enthalpy of net reaction is equal to sum of enthalpies of all steps involved…

Q: A chemist measures the enthalpy change AH during the following reaction: CS2(g) + 3 Cl2(g)→CC14(1) +…

A: The enthalpy change (ΔH) of a reaction is the amount of heat absorbed or released by the reaction.…

Q: If qsolution -10 kJ for the following reaction conducted in a coffee cup calorimeter, what is…

A: Please find the below attachments.

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Hg(l)+O2(g) 2HBO(s) AH°…

Question

100%

The standard enthalpies of combustion
of
formaldehyde, H2C=0(g), and formic acid, HCOOH(1),
are -563 and -270 kJ/mol respectively. What is AH° for
the following reaction?
H2C=0(g) + ½ 02 --> HCOOH(1)
O 563 kJ/mol
O 833 kJ/mol
O 293 kJ/mol
O -833 kJ/mol

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

ulate het reaction enthalpy O O D Dwayne V Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form methanol and water: CO,(g) + 3 H,(g) - CH,OH(1) + H,O(1) AH =-131. kJ In the second step, methanol reacts to form dimethyl ether and water: 2 CH,OH(1) → CH,OCH,(g) + H,0(1) AH - 8. kJ olb Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions. Round your answer to the nearest kJ. Explanation Check O 2021 McGraw Hill LLC. All Rights Reserved. Terms of UseI Privacy Center Accessibility 4:25 AM ENG 12/14/2021 35°F Clear O Type here to search
Given the standard enthalpies of formation AH,9: H2O(1) = - 285.9 kJ/mol, CO2(g) = - 393.5 kJ/mol, and the standard heat of combustion of C2H6:AH÷= -1560.0 kJ/mol. What is the standard enthalpy of formation for ethane? O - 84.7 kJ/mol 84.7 kJ/mol 169.4 kJ/mol O - 169.4 kJ/mol
Calculate the standard enthalpies of formation of (a) KCIO3(s) with the following information: K(s) + 1/2 Cl₂(g) KCI(s) 2 KCIO3(s)→2 KCl(s) + 3 O₂(g) ArH=-436.75 kJ mol-¹ A,H-89.4 kJ mol-¹ (b) NaHCO3(s) with the following information: Na(s) + 1/2 O₂(g) + 1/2 H₂(g) → NaOH(s) C(s) + O₂(g) → CO₂(g) NaOH(s) + CO₂(g)→→NaHCO3(s) A,H-425.61 kJ mol-¹ ArH=-393.51 kJ mol-¹ A,H= -127.5 kJ mol-¹
Please provide explanations
Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + 02(9)2NİO(s) AH° = -479.4 kJ (2) 2Hg(1) + 02(g)2H90(s) AH° = -181.6 k) what is the standard enthalpy change for the reaction: (3) Nio(s) + Hg(1)Ni(s) + Hg0(s) AH° = ? kJ
Find the ΔH of the following reaction:
4) Given the data N2(8) + O2(8) 2 NO(8) AH = +180.7 kJ 2 NO(8) + O2(8) · 2 NO,(8) 2 N,0(8) – 2 N2(8) + O2(8) AH = -163.2 kJ AH = -113.1 kJ | use Hess's law to calculate AH for the reaction N20(8) + NO2(8) –→ 3 NO(8)
Phenol undergoes combustion in oxygen to produce carbon dioxide gas and The standard heat of combustion of phenol, CgH,OH(s), is -3054 kJ/mol. AH?[CO,(g)] = -393.5 kJ/mol and AHÇ [H,O(1)] = -285.8 kJ/mol, what is t %3D enthalpy of formation of phenol? +164.4 kj/mol +328.8 kj/mol -164.4 kj/mol -328.8 kj/mol
4) Consider the thermochemical equation below. What mass of HgO must decompose to consume 400.0 kJ of heat? 2 HgO (s) → 2 Hg (1)+ O2(g) AH°rxn =+ 181.4 kJ (1) 5) Write the standard formation reaction for KAI(SO4)2(s). (1) 3 CO2 (g). (1) -393.5 kJ/mol 2 Cr (s) + 3 CO (ag) -110.5 kJ/mol Cr2O3 (s) 6) Consider the reaction 0.0 kJ/mol AH°f = -1139.7 kJ/mol Calculate AH°rxn.
10. The following molar enthalpies of formation are given in kJ/mol: AHP[C;Hs(g)] = -104; AHP[CO2(g)] = -394; AHP[H;O(g)] = -242. (a) Calculate the molar heat of combustion of propane (C;Hs) according to the following equation: C;Hs(g) + 5 O2(g) → 3CO2(g) + 4H2O(g); (b) How many grams of propane gas must be combusted to provide enough thermal energy to heat 1.00 kg water from 22.0°C to 100.0°C? (Specific heat of water = 4.184 J/mol.K)
THERMODYNAMICS: Given the following hypothetical thermochemical equations: 20J3 (g) + 302x (g) – 402 (g) + 3J2X () AH = -1,017.3 kJ 4QJ3 (e) + 3X2 (@) – 202 (g) + 6J2X (1) AH = -1,548.8 kJ Calculate the value of AH (in kJ) for the reaction: a2 (g) + % X2 (a) - Q2X (g) (Round off the final answer to ONE decimal place. Do not include unit.)
Substance SiO,(s) SICLO H,O) HCIE) AH°, (kJ/mol) -910.7 -687.0 -285.83 -92.307 Calculate the standard enthalpy change for the following reaction: SICI4(1) + 2H20(1) → SIO2 (s) + 4HCI (g)