Ethane gas, C2H6, burns according to the reaction below

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Ethane gas, C2H6, burns according to the reaction below. How many

grams of oxygen react if 65

H Corp recently purchased a new delivery truck. The new truck has a cost of $56250 and is expected to generate after tax cash flows including depreciation of $15625 per year. The truck has a five year expected life. The expected year end abandonment Values (Salvage Value after tax adjustments) for the truck are given below. The company’s cost of capital is 11%

Year                 Annual operating CF     Abandonment Value

0                      (56250)                         ----

1                      15,625                          43750

2                      15,625                          35000

3                      15,625                          27500

4                      15,625                          12500

5                      15,625                          0

Should the truck operate until the end of its 5 year life? If not what is the optimal economic life of the truck?

A) 1 year

B) 2 years

C) 3 years

D) 4 years

E) 5 years

.0 grams of ethane gas react? 
2C2H6 (g)  +  7O2 (g)  -->  4CO2 (g)  + 6H2O (g)

2) A student is trying to compress the gas in a cylinder that has an

initial volume of 1000 cm3 and a pressure of 100 kPa. The student decreases the volume by 500 cm3. What is the pressure of the gas in the cylinder?