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When 80 g of water (c = 4.19 J/g*C) initially at 48 degree C is poured into an 80 g glass container (c = 0.50 J/g*C) initially at 22 degree C, what is the expected final temperature of the water?
Calculate the total pressure if the volume of the reaction container is then (i) doubled; or (ii) reduced 7-fold.
Calculate the amount of solution (g or mL) that contains each of the following amounts of solute. Express your answer to 3 significant figures and include the appropriate units.
The addition of bromine to ethene in the presence of high concentration of chloride ion in an inert solvent results in the formation of 1,2-dibromoethane and 1-bromo-2-chloroethane. No 1,2-dichloroethane is obtained. Explain above experimental fac..
given composition of air n2 78.09o2 20.94 ar 0.93a calculate the of molecules of n2 ofo2 and of ar in 1.00 l of air
If 125 g XeF[2](s) reacts completely and the gas is collected in a 50.0 L flask at 300 K, what is the pressure of the gas in atmosphere. XeF[2](s) + H[2]O(l) ---> 2Xe(g) + O[2](g) + 4HF(g)
Predict the products of acid-base reaction of CH3COOH with CH3-NH2 and draw the molecules.
The explosion of 2.0 mol of solid Trinitrotoluene (TNT; C7H5N3O6) with a volume of approximately 274 mL produces gases with avolume of 448 L at room temperature and 1.0 atm pressure. How much PV work in kilojoules is done during the explosion
What are the individual monomers used in the synthesis of the polymer? How much of the polymer are produced each year in the United States?
The half life of mercury-197, used for kidney scans, is 64.1 hours. If a patient undergoing such a scan is given 5.0 ng of mercury-197, how much will remain after 7 days? After 14 days? After 21 days
Water in an enclosed vessel at 17°C contains a concentration of dissolved oxygen of 6 mg/L. At equilibrium, determine the concentration of oxygen in the space above the water in molal fraction. and the total pressure in the vessel. Henry's law con..
if the half-life of a radioactive element is 30.0 years how long will it take for a sample to decay to the point where
Concentrated sulfuric acid is used as a catalyst for the esterification of acetic acid in the preparation of isopentyl acetate. Why is sulfuric acid needed if another acid, acetic acid, is already present
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