Why is it valid to add the enthalpies of any sequence of reactions to obtain the enthalpy

Question:

Why is it valid to add the enthalpies of any sequence of reactions to obtain the enthalpy of the reaction that is the sum of the individual reactions?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Physical Chemistry

ISBN: 978-0321812001

3rd edition

Authors: Thomas Engel, Philip Reid

See More Books

Question Posted: Apr 26, 2018 03:45 AM

See More Questions

When is it valid to approximate a charge distribution by a point charge?
The rates of many atmospheric reactions are accelerated by the absorption of light by one of the reactants. For example, consider the reaction between methane and chlorine to produce methyl chloride...
The standard enthalpies of formation of ClO and ClO2 are 101 and 102 kJ/mol, respectively. Using these data and the thermodynamic data in Appendix C, calculate the overall enthalpy change for each...
i. Find a. b. ii. Use the trapezium rule with 2 intervals to estimate the value of giving your answer correct to 2 decimal places. +6 e2x + 6 e2 dx,
What was the nation's justification for its actions in South Vietnam in the 1950s and its determination to abide by the outcome of free elections there only if those elections yielded a non-Communist...
Figure P9.74 shows a $100 \mathrm{~g}$ puck revolving at $100 \mathrm{rpm}$ on a 20-cm-radius circle on a frictionless table. A string attached to the puck passes through a hole in the middle of...
Derringer and Suich ("Simultaneous Optimization of Several Response Variables," Journal of Quality Technology, 1980) studied the relationship of an abrasion index for a tire tread compound in terms...
Josh is a judge employed by the county. He must purchase and maintain his judicial robes. The total cost of purchasing a new robe and dry cleaning for the current year is $750, which is not...
Compute ROA, ROE and ROFL and Interpret the Effects of Leverage Basic income statement and balance sheet information is given below for six different cases. For each case, the assets are financed...
Draw the CML and your funds CAL on an expected returnstandard deviation diagram. a. What is the slope of the CML? b. Characterize in one short paragraph the advantage of your fund over the passive...
Is the following statement correct? If not rewrite it so that it is correct. The superscript zero in H o f means that the reactions conditions are 298.15 K.
Identify the expected hybridization state and geometry for the central atom in each of the following compounds: a. b. c. d. e. H. I-z: I-
The motor of a pump consumes 1.05 hp of electricity. The pump increases the pressure of water from 120 kPa to 1100 kPa at a rate of 35 L/min. If the motor efficiency is 94 percent, the pump...
Which types of unemployment could not have been prevented even if Singapores economy did not slow down and the labor market was working properly? Singapore has been facing increasing unemployment due...
Kristin deposits $5,000 in cash into her savings account at the First National Bank. What is the immediate change in M1 and M2?
What is net present value and how is it used in financial decisions?
If the market wage rate rises, but the price of a milkshake remains at $4, what happens to the value of marginal product of labor? Does Kaisers employ more workers or fewer workers? Kaisers Ice Cream...
In the economy of Nocoin, bank deposits are $300 billion. Bank reserves are $15 billion, of which two thirds are deposits with the central bank. Households and firms hold $30 billion in bank notes....
In problem, f(x) = sin x, g(x) = cos x, h(x) = 2x, and p(x) = x/2. Find the value of each of the following: (p g)(315)
What are conversion costs? What are prime costs?
Calculate the percentage increase in the fractions in Exercise 24.2b when the temperature is raised by 10 K.
Use the collision theory of gas-phase reactions to calculate the theoretical value of the second-order rate constant for the reaction D2 (g) + Br2 (g) 2 DBr (g) at 450 K, assuming that it is...
Suppose that the typical diffusion coefficient for a reactant in aqueous solution at 25C is 4.2 x 10-9 m2 S-I. If the critical reaction distance is 0.50 nm, what value is expected for the...
My company has equity beta of 0.56, 5.02% cost of (risk-free) debt, and market risk premium is 5% over the risk-free rate. D/(D+E) ratio is -31.7% and E/(D+E) ratio is 131.7%. Corporate tax rate is...
Discuss the main factors which a company should consider when determining the appropriate mix of long-term and short-term sources of finance in its capital structure.
Evaluate the impact of central bank interest rate policies, such as the federal funds rate in the United States or the repo rate in India, on various sectors of the economy, including consumption,...

Why is it valid to add the enthalpies of any sequence of reactions to obtain the enthalpy

Question:

Step by Step Answer:

Because H is a state function ...View the full answer

Physical Chemistry

Students also viewed these Sciences questions