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(a) Starting from a sample of chromate ore, how is potassium dichromate prepared? Explain all the steps included with chemical equations.
(b) Write the balanced chemical equation for the reaction among an acidified solution of potassium dichromate and potassium iodide.
What is the net flux of the uniform electric field of Exercise 1.15 through a cube of side 20 cm oriented so that its faces are parallel to the coordinate planes?
The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As pH is one of the factors for the denatura
what is the formula for the binary ionic compound formed between sodium and iodine
The following information is available for the extraction of Cu2+ into CCl4 with dithizone: KD,c = 7 ´ 104; b = 5 ´ 1022; Ka,HL = 3 ´ 10–5; KD,HL = 1.1 ´ 104; n = 2. What is the ex
What is dielectric strength Dielectric strength- It's the maximum voltage/field gradient (voltage per unit thickness) which the dielectric can withstand without failure/brea
Vinegar, orange juice, and battery fluid are familiar acids. Different acids have different acid strengths. Some characteristics of acids are: They taste sour.
Q. Define atomic mass units? Atomic mass Scientists have set up a standard for the measurement of atomic mass by assigning the carbon-12 atom a mass of 12 atomic mass units (a
Problem: Let us calculate Q value of the reaction 27 Al (d, α) 25 Mg Answer: Given that masses of 27 Al = 26.981541 2 H = 2.014102 4 He = 4.
Determine the molality of an aqueous solution that is 12.0 percent urea by mass
formation of scales
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