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a compound of carbon, hydrogen, and oxygen contains 54.5% carbon and 9.10% hydrogen. what is its empirical formula?
calibration data for a f-ion-selective electrode using kf standard solutions prepared in buffer of 0.5 m ionic strength
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
Specify the organic solvent and aqueous solutions to be used for the separation. Provide the exact acid-base reaction that occurs during each step of the separation
Calculate the amount (in grams) of N-methylmaleimide and 9-(hydroxymethyl)anthracene that are required in a reaction utilizing 0.5mmol 9-(hydroxymethyl)anthracene (208.26 g/mol) and 3 molar equivalents of N-methylmaleimide (111 g/mol)
Calculate the Ki for a competitive inhibitor whose concentration is 6.5 x10-5 M that increases the Km of the substrate by 24.5%.
give the products (if any) expected from the treatment of each of the following compounds with ozone followed by dimethyl sulfide
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
You mistakenly classified a tertiary amine as secondary and tried to prepare a p-toluenesulfonate derivative.
Does the melting point obtained for your product indicate that the sample is indeed phenacetin? What additional evidence can you cite
The reaction between hydrogen and oxygen to yield water vapor has delta H+ -484kJ: 2H2(g)+O2(g)-->2H2O(g) delta H=-484 kJ Part A How much PV work is done in kilojoules for the reaction of 0.20 mol of H2 with 0.10 mol of O2 at atmospheric pressure ..
How many moles of hydrogen are produced by the unbalanced reaction below when 0.195 moles of magnesium and 0.102 moles of water are allowed to react? Mg (s) + H20 (l) > Mg(OH)2 (s) + H2 (g)
How many liters of water are required to dissolve 1 g of barium sulfate. What is the solubility of barium sulfate in parts per million
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