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1.600 mole of ammonia gas is placed in a 1600.cm^3 box at 25.0 degrees . The box is then heated to 500K, which causes the ammonia to partially decompose to Nitrogen and Hydrogen and results in a final pressure of 4.85*10^6 pa. Find the number of moles and partial pressure of all three gases at 500K. What is the average molar mass of the gas mixture.
You are looking for a range so you need to find the Ksp of the first test tube that did not have precipitate and the last test tube that had precipitate.
Does FADH2 have a thermodynamic tendency to reduce coenzyme Q at pH 7. Explain why.
find the of X-281, you prepare a 0.075 test solution of X-281. The pH of the solution is determined to be 3.00. What is the of X-281?
At 25 °C only 0.0990 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?
Given the equation Xe(g) + 3F2(g) = XeF6(s) how many moles of fluorine (F2) are used during the formation of 3 moles of xenon hexafluoride, XeF6
You need to make 50 agar plates. Each plate holds 30mls. Final agar consentration is 2.5%. How much agar powder do you need
Use the appropriate standard reduction potentials in your book to calculate the value of K at 25C for the reaction NiO2(s)+2Cl-(aq)+4H+(aq) arrow Cl2(g)+Ni2+(aq)+H2O(l)
calculate the volume of a 2.50M acetic acid solution that will be neutralized by 15.00mL of a 4.00 M NaOH solution
the heat change value that you calculate from your experiments will be for the amount of material that you use in each reaction. how will you convert it to kJ/mol
What is the charge on the chromium ion in this compound. Chromium and phosphate form a second compound, Cr3(PO4)2. What is the charge on the chromium ion in this compound. Name the two compounds unambiguously.
you are charged to do a study on the amount of intimate partner violence on a midwestern college campus. there are
A 15.0 gram sample of chromic acid is dissolved in enough water to produce 275 mL of solution. The concentration of the solution is ?
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