TexAm Petroleum, the giant oil company, holds reserves of oil and gas assets. Al

Question

TexAm Petroleum, the giant oil company, holds reserves of oil and gas assets. All the end of 2014, assume the cost of TexAm Petroleum's oil reserves totaled $297.5 billion, representing 17 billion barrets of oil in the ground. Which depreciation method is similar to depletion method that TexAm Petroleum and other oil companies use to compute their annual depletion expense for the oil removed from the grand? Suppose the company removed 300 million barrets of oil during 2015. Record this event. Show amounts in billions. Assume that, of the amount removed in (2), the company sold 600 million barrets. Make the cost of sales entry. Which depreciation method is similar to the depletion method that TexAm Petroleum and other oil companies use to compute their annual depletion expense for the oil removed from the ground? is similar to the depletion method that TexAm Petroleum and other oil companies use to compute their annual depletion expense for the oil removed from the ground.

Explanation / Answer

pH of 1.80 M Acetic acid

CH3COOH <==> CH3COO- + H+

let x amount has dissociated

Ka = [CH3COO-][H+]/[CH3COOH]

1.8 x 10^-5 = x^2/1.80

x = [H+] = 5.70 x 10^-3 M

pH = -log[H+] = 2.245

When 3 ml of 1.80 M CH3COOH solution is diluted o final volume 250 ml

Final molar concentration of CH3COOH solution = 1.8 M x 3 ml/250 ml = 0.0216 M

1.8 x 10^-5 = x^2/0.0216

x = [H+] = 6.23 x 10^-4 M

Final pH of diluted solution,

pH = -log[H+] = 3.205

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