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Several minerals are metal carbonates as well as siderite is a mineral that is largely iron(ll) carbonate. State a balanced equation for the reaction of siderite with nitric acid.
What ions will you find in solution. You want to separate the calcium from iron by addition of Na3PO4. The Ksp for Ca3(PO4)2 (s) is 1.3x10-32 and that for FePO4(s) is 1.0 x 10-22. Identify the precipitate that forms first. Is the separation succes..
What is the final volume of the balloon? Assume ideal-gas behavior. A very flexible balloon with a volume of 1.2 L at 1.0 atm at 300 K is allowed to rise to the stratosphere
pseudoepedrine to metamphetamine? the entire mechanism withthe substitutions and movement of electrons with explanation
What quantity of useful work can be obtained when Mg is added directly to the beaker of HCl. How can you harness this reaction to do useful work
Calculate the pH during the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH. First what is the initial pH (before any NaOH is added)? - What is the pH after 38.4 mL of NaOH are added?
What mass of sucrose should be combined with 461 g of water to make a solution with an osmotic pressure of 8.85 atm at 310 K? (Assume the density of the solution to be equal to the density of the solvent.)
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
A 100.0 g sample of a metal M is burned in air to produce 103.7 g of its oxide with the formula M2O. What is the atomic mass of the metal?
A 0.160 g sample of rock was found to have 2.11 × 10-6 mol of potassium-40 (t1/2 = 1.3 × 109 yr) and 2.11 × 10-6 mol of argon-40. How old was the rock? (What assumption is made about the origin of the argon-40?)
Choose the amino acid in the following pairs that would be more likely to appear on the solvent-exposed surface of a protein
What alcohol would be most appropriate for the synthesis of 1-methylcyclohexene. Write an equation.
1. why should activated carbon be used during a recrystallization. 2. if a little activated charcoal does a good job removing impurities in a recrystallization, why not use a large quantity
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