Define closed system the temperature goes down

Reference no: EM13152323

The molecular weight of Cr(CO)6 is 220 g/mol. When 2.20 grams of Cr(CO)6 reacts according to the following equation at 400 °K in a closed system the temperature goes down and 5.2 kJ of hear is absorbed: Cr(CO)6(solid) -> Cr(solid) + 6 CO(gas). Calculate ?E° and ?H° for this reaction.

Reference no: EM13152323

Questions Cloud

Amount receive from the bond issuance : On July 1, 2004, Risen Co. issued 500 of its 10%, $1,000 bonds at 99 plus accrued interest. The bonds are dated April 1, 2004 and mature on April 1, 2014. Interest is payable semiannually on April 1 and October 1. What amount did Risen receive fro..

Compute the final temperature of the water : Calculate the final temperature of the water and ice together once they have reached thermal equilibrium. The specific heat capacity of water is 4.184 J/g°C. Assume no heat is lost to the surroundings during the process

Common stock in settlement for legal services : A corporation was organized in January 2004 with authorized capital of $10 par value common stock. On February 1, 2004, shares were issued at par for cash. On March 1, 2004, the corporation's attorney accepted 7,000 shares of common stock in settl..

Treatment of investment interest : Discuss the treatment of Barb"s investment interest that is disallowed in 2006. What election could Barb make to increase the amount of her investment interest deduction for 2006? 205.

Define closed system the temperature goes down : When 2.20 grams of Cr(CO)6 reacts according to the following equation at 400 °K in a closed system the temperature goes down and 5.2 kJ of hear is absorbed

What is the molecular formula of this gas : An unknown gas has been determined to have the empirical formula CH2. At 27°C and 0.966 atm, the gas has a density of 1.65 g/L. What is the molecular formula of this gas

Predetermined overhead rate based on machine-hours : Uses a predetermined overhead rate based on machine-hours to apply manufacturing overhead to jobs. The company estimated that it would incur $510,000 in manufacturing overhead during the year and that it would work 100,000 machine-hours.

Explain what volume of this gas must be burned to raise : What volume of this gas must be burned to raise the temperature of 5.3 L of water by 5.0°C? Assume the gas is at 1.0 atm and 298 K.

Balance in retained earnings appearing on statement : What is the balance in retained earnings appearing on the statement of stockholders" equity on December 31, 2002? A. $330,000 b. $380,000 c. $420,000 d. $440,000 138.

User Account

All Pages