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Problem- 1) How many liters of oxygen gas at (7.410 x 10^2) torr and 22 c are needed for the complete combustion of (3.07 x 10^0) moles of propane, C3H8?
2) After (5.7700 x 10^-1) L of Ar at (1.1200 x 10^0) atm and 227 c is mixed with (1.1200x10^-1)L of O2 at (6.0500 x 10^2) torr and 127 c in a (4.44 x 10^2) mL flask at 300 K , what is the pressure in the flask in atm?:
I want you to explicate the chemistry in this problem
What is the ph of a solution that is 0.10 M in ethanoic acid and 0.50 M in sodium ethanoate [Ka(CHcCOOH) = 1.8 x 10-5)]
The concentration of carbon monoxide in an urban apartment is 48 micrograms per cubic meter. What mass of carbon monoxide in grams is present in a room measuring 11.0 ft x 11.5 ft x 20.5 ft
The molar heat capacity of silver is 25.35J/mol * °C . How much energy would it take to raise the temperature of 9.80 of silver by 17.4°C
Estimate the triple point pressure and teperature of water, given that the standard enthalpies of fusion and vaporization are 6008 J/mol and 43990 J/g at 273.15 K and 298.15 K, repectively
What is the dissociation constant, Kd, of a ligand with a percent occupancy (or fractional saturation) of 50% when [ligand] = 10-7 M? HINT; Theta = (ligand) / ((ligand) + Kd) where
You are provided with the instrumental information below, identify the compound it was obtained for, explaining your reasoning.
What is the purpose of distilling two mixtures whose boiling points are very close.
Problem- Change these word equations into formula equations and balance them. Be sure to use the proper symbols to indicate the state of each substance, as given.
a solution containing 3.47mm x analyte and 1.72 mm s standard gave peak areas of 3473 and 10222 respectively in a
Solute S has a partition coefficient of 6.1 between water (phase 1) and hexane (phase 2). A 74.0 mL solution of S in water is extracted six times with 12.0 mL of hexane. Calculate the fraction of S remaining in the aqueous phase.
If 358 mL of H2SO4 is neutralized with 60.0 mL of 1.50 M NaOH, what is the initial concentration of the acid?
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
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