What is the molar concentration of phosphate ion
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C. What is the molar concentration of phosphate ion in a 2.5 M aqueous solution of phosphoric acid?
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Sodium metal reacts violently with water to form NaOH and release hydrogen gas. What is the molarity of the NaOH solution formed by the reaction.
A rectangular concrete channel is 3 m wide and 2 m high. The water 20 deg Celsius in the main channel is 1.5 m deep and is flowing at a rate of 30 m^3/s. determine the flow area, wetted perimeter, and hydraulic radius. is the flow laminar or turbulen
When she introduced 0.116 moles of NO(g) and 9.28E-2 moles of Br2(g) into a 1.00 Liter container, she found the equilibrium concentration of NOBr(g) to be 7.85E-2 M.
A rectangular channel 5 m wide carries a discharge of 10 m^3/s at a uniform depth of 3 m. The channel is running on a slope of 0.0025 m/m. Estimate wall shear stress and friction velocity.
The acid-dissociation constants of phosphoric acid (H3PO4) are Ka1 = 7.5 × 10-3, Ka2 = 6.2 × 10-8, and Ka3 = 4.2 × 10-13 at 25.0 °C.
Arrange the elements in order of decreasing ionization energy. Rank elements from largest to smallest. To rank items as equivalent, overlap them.
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An engineering student is driving on a level roadway and sees a construction sign 180 m ahead in the middle of the roadway. The student strikes the sign at 56 kph.
A constant head permeameter contains three different soils, 1, 2, and 3, where 1 is on top of 2, and 2 is on top of 3. Their hydraulic conductivities are: k soil 1 = 9 cm/s, k soil 2= 6*10^2 cm/s and k soil 3= 8*10^(-3).
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Rewrite and condense. When utilizing qualitative data to answer a research question, several limitations may arise that can impact the insights gained.
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