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Automotive airbags inflate when sodium azide, NaN3, rapidly decomposes as in the following equation
2NaN3(s) --> 2Na(s) + 3N2(g)
a) how many moles of nitrogen are produced hen 0.850 moles of NaN3 is decomposed?
b) what is the theoretical yield of nitrogen in grams from part (a)?
c) if the actual yield of nitrogen in the reaction in part (a) is 30.3g calculate the percent yield.
to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
In the titration of a solution of a weak monoprotic acid with a .1325M solution of of NaOH, the pH was halfway to the equivalence point was 4.42.
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A zero-order reaction has a constant rate of 3.50×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 1.00×10-2 M, what was the initial concentration?
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A 125 ml sample of a solution that is 2.6x10^-3M in AgNO3 is mixed with a 230 ml sample of a solution that is 0.10M in NaCN. After the solution reaches equilibrium, what concentration of Ag+ remains?
A 12 kg block of ice has a temperature of -10.0 degrees celsius. The pressure is one atmosphere. The block absorbs 4.50 times 10 to the sixth power J of heat. What is the final temperature of the liquid water?
60.0 mL of a 0.450 M HNO_3 solution is titrated with 0.570 M KOH. Calculate the volume of KOH required to reach the equivalence point.
What is the substance being oxidized?
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