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A sample of nitrogen gas has a volume of 3.0 L at 25 degrees Celsius and 720 torrs. What would the volume be at STP?
given the following datan2o4g --gt 2no2gdelta h 24.3 kjnog no2g --gt n2o3gdelta h -40.2 kjcalculate delta h for the
In what volume ratio should you mix 1.0M solutions of NH4Cl andNH3 to produce a buffer solution having pH = 9.80
A compound is 80.0% carbon and 20.0% hydrogen by mass. assume a 100 gram sample of this compound. How many moles of each element are in this sample
Question- A. Calculate the pH at the equivalence point for the titration of 0.160 M Methylamine with 0.160 M HCl. The Kb of methlylamine is 5.0 x 10^-4.
What is the final volume V2 in milliliters when 0.508L of a 46.4% (m/v) solution is diluted to 23.6%(m/v).
What is the minimum frequency of light (nm) that can be used to eject electrons from the surface of this metal via photoelectric effect
the temperature of the tire increases to 40.0 ?C). What is the tire pressure in psi assuming no change in volume for the tire? (1 atm = 14.70 psi).
Also, determine the constant volume and constant-pressure specific heats of the gas if its specific heat ratio is 1.667.
In STM, atomic defects such as missing atoms can be resolved, but not in AFM. What limits the spatial resolution of an AFM experiment
Determine the equilibrium total pressure in a closed reaction flask if 0.040 mol of NO and 0.020 mol of O2 were placed in the evacuated reaction flask and heated to 100°C, resulting in a 75%-yield of NO2.
Concentrated nitric acid (HNO3) has a density of 1.42 g/mL and is 70% nitric acid. Calculate the molarity of the acid if 30 mL of the concentrated acid is mixed with 255 mL of water.
In computing the heat given off by a reaction in a calorimeter you must account for heat absorbed by. Explain which of the following state functions are extensive
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