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The reaction 2A (gas) = B (gas) is second order in A also has a half life of 1 hour. If the preliminary pressure of A is 1atm, explain what are PA and PB at t=1 hour and t = 2 hour?
What must the oxygen content (in percent by volume) be when the total pressure exerted on the diver is 4.0 atm?
Calculate the enthalpy change for the production of 200 L of hydrogen at 500 torr and 338.15 K for reaction : C(s) + H2O (g) --> CO (g) + H2 (g)
Cisplatin, an antitumor ingredient, has the formula Pt (NH3)2Cl2. What is the molar mass of cisplatin? Calculate the mass percent of platinum present in cisplantin.
what are the hydrolysis by-products? What limits the reaction? What determines whether the hydrolysis reaction proceeds from cellulose to sugar (e.g. glucose) or continues on to convert the sugars to alcohol?
If the vapor pressure of pure water at 25 C is 23.8mmHg What is the partial pressure of water over the solution? Assume ideal behavior for the solution.
A current of 3.78 A is pass through a Fe(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.80 g of iron
The mass spectrum of an organic compound shows the relative abundances of M to be 83.79% and M 1 to be 13.59%. Assuming the peaks are caused by 12C and 13C isotopes,
A buffer that is 0.210 M in acid, HA, and 0.172 M in the potassium salt of its conjugate base, KA, has a pH of 4.66. What is the pH of the buffer after 150. mL of 0.359 M LiOH is added to 0.950 L of this buffer? Assume that the volumes are additiv..
which substance is the limiting reactant when 3.0g of sulfur trioxide (80.06 g/mol) react with 6.0 g of NaOH (40.00 g/mol) accordind to the following chemical equation SO33NaOH ->Na2SO4+H2O
How many grams of Helium does a 25.0 Liter balloon contain at 102.0 kPa and 24 degrees Celsius?
Determine the volume of NaOH solution needed to prepare 26.2 grams of Na3PO4. The NaOH solution is 12 percent NaOH by mass and has a density of 1.333 g/mL
A compound of elements X and Y has the molecular formula X2Y3. Let Mx be the atomic mass of element X and MY (subscript-y) be the atomic mass of element Y.
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