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?
Expected delivery within 24 Hours
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.
Calculate the number of moles of carbon monoxide released in the reaction, given that 1.40 mol of manganese were produced.
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).
1942212
Questions Asked
3,689
Active Tutors
1433653
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Sunland has oven capacity of 1650 hours. If sunland bakes only the most profitable product, how much will the total contribution margin be?
Addison works for a company and pays for half of her premiums on the insurance that covers employees who need to have sick pay.
Question: Choose all options that apply. What are the advantages of foundation slabs? Question options
On October 1, 2021, Bree Company issues $1,000,000 of 8%, 10-year bonds dated October 1, 2021, with interest payments made on April 1 and October 1
Following is a hypothetical federal income tax schedule for a couple filing jointly: Taxable income Over But not over Tax rate
1) Explain which hypothesis of PAT is consistent with this accounting decision. 2) Discuss whether this is an example of efficient contracting or of managerial
For the active portfolio, provide a summary of the first six weeks that covers the following: • A summary of changes in holdings to both the active and passive