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calculate the energy absorbed when 2.67 moles of ethyl ether undergo combustion: CH3CH2OCH2CH3(l) + 6O2(g)-> 4CO2(g)+5H2O(l) delta H=+1604 kJ/mol
Calculate the energy in joules and calories required to heat 24.0g water from 20.0C to 27.7C
How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100 worth of gold.
Rate of Initiated Radical Polymerization, What are the basic steps of initiated radical polymerization? Derive the rate expression of initiated radical polymerization
Calculate delta E for the combustion of a gas that releases 195.0 kJ of energy to its surroundings and does 54.5 kJ of work on its surroundings.
calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.3 electron volts.
if 100L of hydrogen gas at 20 atm and 259 k reacts with excess nitrogen,how many liters of NH3 at 500 k and 1 atm will form
How many grams of hydrogen are collected in a reaction where 1.92 L of hydrogen gas is collected over water at a temperature of 40C and a total pressure of 738 torr.
NiCl2(aq)+ 2NaOH(aq)---> Ni(OH)2(s)+ 2NaCl(aq) how many grams of Ni(OH)2 are produced from the reaction of 35.0 mL of a 1.75M NaOH solution and excess of NiCl2.
What is the mass, in milligrams, of mercury in 1.00 kg lake trout that just meets the Northern American standard of 0.50 ppm Hg?
water's heat of fusion is 80 cal/g and is specific heat is 1.0 cal/g degree celcius. Some velmobile set have been designed to hold ice packs inside their cushions.
How much heat is required to raise the temperature of a 464g of lead from -20.0C to 219C
How are fatty acid oxidation and different from one another, Metabolism uses various ways to ensure that 2 opposing pathways do not occur at the same time. For the following pair of pathways list 2 ways (different cell location
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