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Propose a synthesis of teflon (polytetraflauroethlene). What starting materials are required? What type pf reaction would be used to achieve polymerization
It is then restored to its original state by the extraction of heat at constant pressure. Calculate w for each step and for the total process. What values for w would you calculate if the cycle were traversed in the opposite direction?
If each mole of gas occupies 55 L under the conditions of the explosion, how many liters of gas are produced? c) how many grams of N2 is produced in the detonation?
is submerged in 7.81g of water at 52.5 degrees C in an insulated container. what is the final temperature of both substances at thermal equilibrium.
a 130g piece of metal is heated to 286C and dropped into 87.0g of water at 26C, if the final temperature of the water is 58.3C.
A sample of neon gas used in a neon sign occupies a volume of 1.70 L at a pressure of 580 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 781 torr.
This point we have magnesium ions in solution and fluoride ions in solution. Remember the Ksp of MgF2 is equal to 3.7 x 10^-8 at room temperature
How many liters of NO(g) can be made from 17.57 L of O2(g) and 16.55 L of N2(g) at STP?
Classify the following as exothermic or endothermic reactions: a) The energy level of products is lower than that of the reactant. b) In the body, the synthesis of proteins requires energy. c) 125kJ is absorbed.
Classify each of the following solutions as acidic, basic, or neutral. Explain how you reached this conclusion.
Gas cylinder A has a volume of 48.2 L and contains N2(g) at 8.35 atm at 25 ºC. Gas cylinder B, of unknown volume, contains He(g) at 9.50 atm at 25 ºC
Identify the orbitals to which a 4d electron may make an emission transition in the hydrogen atom and determine the dissociation energy of the molecule
A 4.78g sample of aluminum completely reacts with oxygen to form 6.67g of aluminum oxide. What is the mass percent composition of aluminum in aluminum oxide?
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