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A sample of a compound of xenon and flourine contains molecules of a single type; XeFn, where n is a whole number. If 9.03x10^20 of these XeFn molecuels have a mass of .311g, what is the value of n
Acetic acid, CH3CO2H, is made industrially, by the reaction of methanol and carbon monoxide. If you produce 1.00L of acetic acid (d= 1.044 g/mL) by this reaction, how much energy as heat is evolved.
At 100oC, the equilibrium constant (Kc) for the reaction COCl2(g) = CO(g) + Cl2(g) has a value of 2.19 x 10-10. Is the following mixture at equilibrium?
Dry the hydrate as instructed in the lab procedure, noting down it's mass until it appears to no longer decrease (no more water bound in the sample).
Partial pressures of SO2 and N2, 3.00 g of SO2(g) is originally in a 5.00 L vessel at 21 degrees Celsius and is transferred to a 10.0 L vessel at 26 degrees Celsius. 2.35 g N2(g) is originally in a 2.50 L vessel at 20 degrees Celsius and is transf..
A 10.0 mL sample of liquid bleach is diluted to 100. mL in a volumetric flask. A 25.0 mL aliquot of this solution is analyzed using the procedure in this experiment. If 12.1 mL of 0.30 M Na2S2O3 is needed to reach the equivalence point, what is th..
Most compounds that contain N-H bonds are basic, but saccharin is acidic
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content
1. What is the ph of a solution that results from adding 250 ml of .50 m naoh to 750 ml of .50 m hf? 2. What is the ph of a buffer composed of .035 m h2po4 and .65 m hpo4?
compute the partition coefficient for the compound between C 6 H 14 and H 2 O (Kphexane/water).
E85 fuel is a mixture of ethanol and gasoline. What mass in kilograms of E85 (d=0.758g/mL) can be contained in a 14.0 L gallon tank.
A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
If 15 grams of copper (II) chloride react with 20 grams of soduim nitrate, how much sodium chloride can be formed?
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