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Assuming the ocean continues to acidify at the same rate that it has been over the past 200 years, where the ocean's pH has dropped from 8.3 to 8.2, how long will it take before the ocean actually becomes acidic?
For the following question, consider the following balanced equation. Mg3N2(s) + 6H2O(l) ? 3Mg(OH)2(s) + 2NH3(g) - When 2.00 mol of H2O react, how many grams of NH3 are produced?
finds that about 10% of the aspiring is converted to salicyclic acid and acetic acid, How many moles of aspirin are in the initial solution? what is the molarity of aspirin? MM=180g what is the rate of reaction?
What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 600 mL of H2O?
What's more significant an affect on atomic size, an increase in nuclear charge or increase in occupied energy levels within a group
Compound A has a solubility of 18 grams per 100. grams of water at 25*C. Cooling a saturated 200. gram solution of a compound A from 84*C to 25*c results in a precipitation of 22 grams of the compound. Calculate the solubility of compound A at 84 ..
Describe how redox titrations are carried out and draw a labeled sketch of a typical redox titration curve.
Equal numbers of moles of toluene and benzene are mixed and form an ideal solution. Compute the mole fraction of benzene in the vapor in equilibrium swith this solution.
From 5g of benzopinacol you obtained benzopinacolona 75% crude. The yield after recrystallization was 2 grams. benzapinacol molecular weight = 366.46 g / mol benzopinacolone molecular weight = 348.44 g / mol determine:
What is the pKa value of the proton alpha to the phenyl group, and what is the pka value of the proton attached to the carbonyl carbon?
Would the carbon atoms in a molecule such as stearic acid (C18H36O2) actually be expected to form a linear chain. Explain
The thyroid is the only gland in the body that uses iodine. A person undergoing a test of thyroid activity drinks a solution of NaI, in which only a small fraction of the iodide is radioactive. Why is NaI a good choice for the source of iodine?
A pure gas sample at room temperature (25 C) has an average molecular speed of 682 m/s. What is the identity of the gas.
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