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Maleic anhydride reacts with ethylene glycol to produce an alkyd resin. Draw the structure of the condensation polymer produced.
determine at what pressure will pure H 2 O start to boil if its temperature is seventy five degree Celsius
The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 130J of heat. As it expands, it does 76kJ of work. What is the change in internal energy for the system?
A 2.85 g sample containing only MgO and CuO is placed in a 3.00 L container. The container is filled with CO2 to a pressure of 740 torr at 20 degrees C. After the reaction has gone to completion, the pressure inside the flask is 390 torr at 20 deg..
how does direct current break apart water molecule? Does the DC current fill the outer shell full of electrons making a weaker attraction so hydrogen seperates from oxygen?
What max of water can be heated from 15 degrees C to 100 by burning this piece of cool
A piece of metal of mass 27 g at 99?C is placed in a calorimeter containing 45.1 g of water at 21?C. The final temperature of the mixture is 38.7?C.
How many grams of HCl are required to react with the 344 grams of FeCl2?
A reaction between methane and hydrogen sulfide to produce carbon disulfide and hydrogen gas was carried out. CH4 (g) + 2 H2S(g) → CS2 (g) + 4 H2 (g)
A cylinder of helium has a volume of 8.00 L. The pressure of the gas is 388 lb in-2 at 25C. What volume will the helium occupy at standard atmospheric pressure (14.7 lb in-2) assuming there is no temperature change?
If ocean consisted of 3.5% salt by mass,what would be the freezing point of the ocean? Assume the Density of H2O= 1.00g/ml and that the whole ocean would freeze at the same temperature everywhere.
Aqueous solutions of sodium thiosulfate, Na2SO3, are used as an antidote to some snakebites. How many moles of sodium ions are found in 10.0 mL of a 0.15 M solution of Na2S2O3?
a first order reaction has a rate constant 0.00510.if we begin with 0.10 M concentration of the reactant , how much of the reactant will remain after 3 hrs?
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