For a solution that is 0282 m nh3 and 0117 m nh4no3
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. (a) [OH?] (b) [NH4+] (c) [NO3?] (d) [H3O+]
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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.
What is the pH at the equivalence point when when 40.0 mL of 0.183 mol/L HC7H5O2(aq) is titrated with 0.131 mol/L NaOH(aq)? Assume the temperature is 25oC
A stunt driver wants to make his car jump over 8 cars parked side by side below a horizontal ramp as seen in the figure below. With what minimum speed must he drive off the horizontal ramp to just barely make it across
A long trough is supported by a hinge along its lower edge and a series of horizontal cables attached to its upper edge. Determine the tension in each of the cables, at a time when the trough is full of water.
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