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The pressure in a sealed flask is 2.3 atm at 30. degrees Celcius. What would be the temperature of the flask (in degrees Celcius) if the pressure inside the flask was decreased to 1.1 atm. (Assume that the volume of the flask does not change with a change in temperature.)
At a certain temperature and pressure 2.8 L of N2 reacts with 4.2 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced?
If 3.8kcal of energy is released when 1 gram of glucose is combusted, how many kcals are released when 0.689 moles of glucose are combusted
K a for aspirin (acetylsalicyclic acid) is 3.0 x 10 -4 at 25°C. What is the the acetylsalicylate anion, the conjugate base of aspirin?
find the mass of a reactant using daltons law of partial pressures ideal gas law and stoichiometry.1.a piece of sodium
What is the voltage of the cell: silver-silver chloride electrode || saturated calomel electrode given that the potential for the Ag|AgCl electrode in a saturated KCl
The accepted toxic dose of mercury is 300ug/day there is 180ug of mercury per cubic meter of air. ingestion of 20,000L air per day is she at risk for mercury poisoning?
CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) What volume of O2 is required to react with excess CS2 to produce 4.0 L of CO2? Assume all gases are measured at 0oC and 1 atm.
Use the given molar solubilities in pure water to calculate Ksp for the given compound. Pd(SCN)2; molar solubility = 2.22 10-8 M
Calculaw the concentration of hydroxide ions in stomach acid at body temperature. ([H3O^+]=0.10M)
If 0.015 M NaCl shows conductivity of 12,000 units, based on "total ion concentration" what conductivity should be observed for 0.030 M Na2SO4?
To find the of X-281, you prepare a 0.088 test solution of X-281. The pH of the solution is determined to be 2.70. What is the of X-281
What must be the initial temperature of 22g of steam that is mixed with 90g of water at 68 degree celcius in an adiabatic calorimeter with a heat capacity of zero and that produces
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