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Estimate the temperature and pressure where 1.0 mole of O2 will correspond to 1.0 mole of N2 at 3.0 atm and 10 degrees Celsius.
Given the following percent composition, what is the molecular formula? 40%C, 6.7% H, 53.3% O
moles of an ideal gas in an initial state T1 = 300 K and P1 = 0.5 bar undergo an isothermal compression until the pressure of the system is four times the original pressure
What is the difference between the equatorial positions and the axial positions on the cyclohexane conformations?
consider the titration of 39.0 mL of 0.240 M HF with 0.215M NaOH. Calculate the ph at the following points. calculate the ph after the addition of 9.75 mL of base.
grams of a sulfate-containing unknown with excess barium chloride. If 0.6500 grams of barium sulfate is produced, what is the percentage sulfate in the unknown?
a reaction takes place in which a gas is one of the products. The gas had a d=1.81 g/L at 1.00 atm and 23 degrees C. What is the molar mass and identity of the gas?
Suppose a 500mL solution contains 2.00 millimoles of Co(NO3)2, 150.0 millimoles of NH3, and 150.0 milllimoles of Ethylendediamine (en). What is the concentration of Cobalt 2+ (aq) in the solution?
Calculate the ion mobility of 100nt long DNA molecules and single nucleotide molecules. Correlate this to the conductivity of the solution.
A 15.00 mL sample of a 0.100 M solution of lead(II) nitrate is reacted with 10.00 mL of 0.170 M sodium chloride. How many grams of lead(II)
Sulfuric acid,H2SO4 is a strong diprotic acid. A sample of aqueous solution of sulfuric acid has a concentration of 0.0582 M. Calculate the concentration of H3O+ ion, HSO4- and (SO4)2- ions from this solution. Ka = 1.18 * 10^-2
The constant pressure molar heat capacities of ice and water are 37.7 J/ mol K and 75.3 J/ mol K respectively. The molar enthalpy of fusion of ice is 6.01 kJ/ mol at 0.00° C. The system consists of a 105 gram sample of H2O, initially in the form o..
Compute the band gap for this semiconductor material after Consideing an intrinsic semiconductor with a conductivity σ that triples between the temperature 27 degree Celsius and 57 degree celsius.
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