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The wave function of an electron in a linear accelerator is given by ?(x)=(cosX)eikx+(sinX)eikx where X is a paramater. What for (linear combination) would the wavefunction have if it were 95% certain that the electron had linear momentum -k(hbar)? (teacher hint: find values for cosX, and sinX).
how much heat must be added to 36.2g sample of iron to increase its temperature by 250.0 degree C.
In one experiment, 11.5 g of NO formed when 112.4 g of each reactant was used. What is the highest percent yield of N2 that can be expected?
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
6NO2+2H2O=4(HNO3)+2NO. For this equation, how many grams of nitrogen dioxide are needed to react with 3.70mol of H2O? How many grams of nitrogen monoxide are produced when 2.18mol of H2O react?
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced.
A sample of a gas at 0.91 atm occupies a volume of 374 mL. If the temperature remains constant, what will be the new pressure if the volume increases to 265 mL?
What are the molality and mole fraction of solute in a 29.3 percent by mass aqueous solution of formic acid (CH3OH)?
2500 kg/hr of a mixture containing equal parts by mass of benzene and toluene are distilled. The flow rate of the overhead product stream is 988 kg/hr , and the bottom stream contains 17.03 wt% benzene.
A 10.00 ml sample of 0.254 M H2SO4 is titrated with 0.385 M NaOH. What volume of the NaOH solution, in mL, is required?
How much heat is evolved when 9.07 x 105 g of ammonia is produced according to the following equation:
In a butane lighter, 9.8 of butane combines with 35.1 of oxygen to form 29.6 carbon dioxide and how many grams of water.
Why is lip gloss long lasting containing petroleum? How many metric tonnes of 5%-S coal would be required to yield the H2SO4 needed to produce a 2.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
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