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Define the metabolism of on glycerol trioleate, C51 H93 O6, a common fat, produces 3.022*10^4kj of heat. Explain how many grams of the fat must be burned to increase the temperature of 50g of water from 25 degrees Celsius to 30 degrees Celsius?
Write the balanced reaction and determine the mass of KNO3 that should be mixed with 6.1 g of sugar to produce optimally balanced rocket candy.
The reuseable booster rocket of the U.S space shuttle emplot a mixture of aluminum and ammonium perchlorate for fuel. A possible equation for this reaction is: 3Al(s)+ 3NH4ClO4(s) --> Al2O3(s) + AlCl3(s)+3NO3(g)+ H2O(g)
In the second step of the wrinkler method, the Mn(OH)3 is acidified to give Mn3+ and iodide ion is added. Does Mn3+ spontaneously oxidize I-? Write the balanced chemical euqtion for its reaction with I- and use the standart electrode potentials to..
When the restraints are cut how high does the assembly go in an isothermal atmosphere at -10 C? The balloon fabric can inflate to a maximum radius of five meters.
if 4.50 mole of ethane undergo combustion according to the unbalanced equation c2h6o2co2h2o how many moles of oxygen
What is the purpose of a hot filtration in a recrystallization. When would a hot filtration step not be necessary or useful in a purification by recrystallization? What experimental observation of the hot solution would let you know that it was no..
Recall "living" carbon samples show 15.3 d/min*g (carbon). note: CaCO3 is 12.00% carbon, and 14C has a half-life of 5730yr.
Sulfur-38 has an atomic mass of 38.0 and a half-life of 2.87 h. How long does it take for 99.99% of a sample of sulfur-38 to decay
a sample of ice 27.0-g at -13.0degc is combined with water of 114.0 grams at 80 degree celsius. compute the final
The following reaction is used in some labs to produce greenhouse gas: CaCO3(s) + 2HCl(aq) ? CaCl2(aq) + H2O(l) + CO2(g) a) (6 pts) In an experiment 25.0 mL of 1.00M HCl and 1.73g of CaCO3 were used. How much CO2 in grams can form
if it took 18.72 (+ and - 0.05) ml of the base to reach the equivalence point. what was the concentration of unknown acid? 2) what is the uncertainity associated with this determination?
A sample of nitrogen gas in a 4.4-L container at a temperature of 35°C exerts a pressure of 3.7 atm. Calculate the number of moles of gas in the sample.
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