Compute the standard heat of reaction

Assignment Help Chemistry

Reference no: EM13149164

Consider the exothermic reaction 4NH3(g) + 5O2(g) -----> 4NO(g) + 6H2O(g) Calculate the standard heat of reaction, or , for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero. Reactant or product NH3g) -45.9 kJ/mol NO(g) 91.3 kJ/mol H2O (g) -241.8 kJ/mol Express your answer to four significant figures and include the appropriate units.

Reference no: EM13149164

Questions Cloud

Find probability that one of tires will last more than miles : The lifetime of automobile tires of a certain brand are found to follow an exponential distribution with mean 30 (in thousands of miles). Find the probability that one of these tires will last

A central bank that adopts a fixed exchange : A central bank that adopts a fixed exchange rate system may sacrifice its monetary autonomy in setting its domestic monetary policy.

Evidence to conclude that difference cats and dogs sleep : Is there sufficient evidence to conclude that a difference exists between the proportions of cats and dogs that sleep more than 10 hours per day?

How much will the profit or loss be : If the product price is $105, at its optimal output will the firm realize an economic profit, break even, or incur an economic loss? How much will the profit or loss be? Show all calculations.

Compute the standard heat of reaction : Calculate the standard heat of reaction, or , for this reaction using the given data. Also consider that the standard enthalpy of the formation of elements in their pure form is considered to be zero.

Warranty expenses during the year : In the current year, Hanna Company reported warranty expense of $196,000 and the warranty liability account increase $13,000. What were warranty expenditures during the year?

What new decisions will you make regarding production levels : Now, suppose that following the supply and demand changes in (a), a substitute good goes up in price, and your costs of production increase. What new decisions will you make regarding production levels and pricing for your Widget facility?

How many grams of solvent are present in given soln : Tincture of iodine is I2(s) dissolved in ethanol, C2H2OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000g of solution.

Price-taking firm was earning zero economic profits : If the price-taking firm was earning zero economic profits before the dynamic efficiency, will the level of profits change after? If so, show the extent of the change.

User Account

All Pages