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Consider the reaction of salicylic acid and acetic anhydride to produce aspirin. When14.4 g of the salicylic acid is reacted with excess acetic anhydride, 6.26 g of aspirin is formed.
how many calories are needed to raise the temperature of a 45.0 g sample of iron from 15 degree celisus to 25 degree
the amount of lactic acidhc3h5o3 produced in a sample ofmuscle tissue was analyzed by reaction with hydroxide
Gaseous butane (C4H10) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O) . If of water is produced from the reaction of 3.49 g of butane and 19.3 of oxygen gas, calculate the percent yield of water..
Iron pyrite, commonly known as "fool's gold," is 46.5% Fe and 53.5% S. A crystal of iron pyrite contains 4.24g of iron. A) Calculate the mass in grams of the crystal. B) How many moles of iron is in the crystal
Draw a series of titration curves for the titration of a strong base with a strong acid where the concentration of the acid is 10 -1 , 10 -2 , and
How many mL of 0.525M calcium chloride are needed to obtain 5.00x10 22 chloride ions.
How many liters of O2 gas at 30?C and 0.930atm pressure can be obtained by the catalytic decomposition of 16.2g of hydrogen peroxide
6.48 g of NaH2PO4 and 21.96 gm of K2HPO4 are dissolved in sufficient water to make a liter of solution. Calculate the pH of the resulting solution.
Suppose a solution contains aqueous Hg2(NO3)2 . Write complete ionic equation to show the reaction of aqueous Hg2(NO3)2 with aqueous sodium chloride to form solid Hg2Cl2 and aqueous sodium nitrate. Express your answer as a chemical equation. Ident..
to prevent corrosion and make paints adhere better some aluminum products are treated with chromiumiii phosphate before
Calculate the amount of heat energy in joules required to heat 50.0g of each substance from 25.0 c to 37.0 c
As a result, the pressure inside the vessel drops to 30.64 atm at 25 C. Calculate the final percent by mass of ozone in the vessel.
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