What is the final ph of the solution when 150 ml of 0121
What is the final pH of the solution when 15.0 mL of 0.121 mol/L NaOH(aq) and 35.0 mL of 0.181 mol/L HNO2(aq) are mixed? Assume the temperature is 25oC. (For HNO2, pKa=3.14 at 25oC). Give your answer accurate to two decimal places.
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The Fed has three main mechanisms to affect the economy through the money supply and interest rates: open market operations, the discount rate, and reserve requirments. In this assignment, you will write about how these tools can affect a company's f
A solid rectangular simply supported timber beam 6 in wide, 20 in deep, and 10 ft long carries a concentrated load of 16,000 lb at midspan. Use nominal dimensions.
What is the pH of a 0.175 mol/L solution of sodium acetate, CH3COONa, at 25oC? (pKa=4.74 at 25oC for CH3COOH.) Give your answer accurate to two decimal places
The modulus of elasticity of the sand was determined to be 10,000 kN/m^3 throughout. Using the Schmertmann's method, estimate the settlement of the footing four years after construction, using four 1 meter thick sublayers.
What is the final pH of the solution when 15.0 mL of 0.121 mol/L NaOH(aq) and 35.0 mL of 0.181 mol/L HNO2(aq) are mixed? Assume the temperature is 25oC.
The firm is proposing to buy a new plant which can generate additional annual profit of Rs. 10,000. The fixed costs of new plant is expected to Rs. 4000. The new plant will increase the sales volume by Rs. 40,000. It can be assumed that the ratio bet
Water from a lower reservoir (water surface elevation) 500 m is pumping to the upper reservoir (water surface elevation 600 m) through a 5000 m long straight pipe with 0.5 m diameter.
For a solution that is 0.282 M NH3 and 0.117 M NH4NO3, calculate the following. For NH3, Kb is 1.8x10-5. Enter [OH?] and [H3O+] with two significant digits. Enter scientific notation as 1.23E4.
Design the beam in US customary units using f'c=4ksi and fy=413.4MPa. If necessary use d'=2.5in. Assume an exterior exposure according to ACI 318 and b=15in.
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