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The reusable booster rockets of the space shuttle utilize a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is given below.
3 Al(s) + 3 NH4ClO4(s) Al2O3(s) + AlCl3(s) + 3 NO(g) + 6 H2O(g)
Compute H° for this reaction
Compare the rate at which pH changes when HCl is added to the buffer solution the the rate of change when no buffer or base is present (distilled water).
A sample of neon is collected at 2.7 atm and 12.0 C. it has a volume of 2.25L.What would be the volume of this gas at STP?
A cup of sugar has a volume of 237 mL. What is the mass of the cup of sugar if the density is 1.59g/mL
Calculate the molar gibbs energy of fusion (melting) for water at -3degree and 1bar, given that Cp(s)=38J/kmol Cp(l)=75.3j/kmol
Differences in boiling points, Rationalize the difference in boiling point between the members of the following pairs of substances:
How many moles of water are mixed with 1 mole of KAl(SO4)2 if 2.16 g of water are lost when 4.74g of the mixture are there to begin with
Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm
The pressure of gas in a 600.0 ml cylinder is 65.0 mmHg. what volume must it be compressed to increase the pressure to 385mmHg
a female patient requires 2.70times10-2 grams of a sulfa drug then determines how many tablets should be given to her
compute the partition coefficient for the compound between C 6 H 14 and H 2 O (Kphexane/water).
A tank contains a mixture of 3.0 mol N2, 2.0 mol O2, and 1.0 mol CO2 at 25 degrees celsius and a total pressure of 10.0 atm. Calculate the partial pressure (in torr) of each gas in the mixture.C
What is the uncertainty in the energy of the excited state. What is the percentage uncertainty if the energy is measure from the ground state
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