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495 mL of oxygen gas and 877 mL of nitrogen gas, both at 25.0 degrees C and 114.7 kPa, are injected into an evacuated 536 mL flask. Find the total pressure in the flask, assuming the temperature remains constant.
The spectroscopic data of diatomic iodine shows a vibrational frequency of 214.5 cm-1, rotational constant of 0.03737 cm-1, and D0 of 12,440 cm-1. If the enthalpy of reaction is 153.97 KJ, Does this value make sense based on the spectroscopic data..
Summarize the research problem and how the authors used chemical engineering design principles to study it. Summarize the methods and the key findings and conclusions.
one vector has an x-component of 9 m a y-component of 10 m and a z component of 9 m. another vector has an x-component
Oxalic acid is a diprotic acid that occurs naturally in some plants. Calculate the pH and the concentrations of all species present in a 0.72-M solution
gravimetric determination of sulfateba2so42-rarr baso41 how is the sulfate precipitated?2 what method is employed to
1.0 mol of CaCN2 and 1.0 mole of water are mixed together: CaCN2 + 3H2O → CaCO3 + 2NH3 How much NH3 could be produced?
The acid-dissociation constants of sulfurous acid (H2SO3) are Ka1= 1.7 x 10^-2 and Ka2 = 6.4 x 10^-8 at 25 degrees celcius. Calculate the pH of a 0.163 M aqueous solution of sulfurous acid.
What is the molar mass of a gas if 1.15 g of gas has a volume of 225 mL at 0 degrees C and 1.00 atm (STP)
what mass of nacl is required to lower the freezing point of 1.75kg of water by 2.5 c? what mass of cacl2 would
Calculate the equilibrium partial pressures of C2H6, N2, NH3, and C2H4. Peq(C2H6) = . Peq(N2) = . Peq(NH3) = . Peq(C2H4) = . (b) Calculate KP for this reaction. KP =
if 19.65mL of .145M nitric acid is required ti neutralize 50.0mL of barium hydroxide what is the molar concentration of the base? 2HNO3+Ba(OH)2-->Ba(NO3)2+2H2O
In terms of ionic equilibria and solubility product theory, explain dissolution of silver chloride in aqueous ammonia and reprecipitation with nitric acid
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