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If you wanted to prepare a solution of CO in water at 25 degrees Celsius in which the CO concentration was 2.5 mM, what pressure of CO would you need to use?
Using a solution of KMnO 4 has a percent transmittance of 27.3 percent when observed in a 1.15-cm cell at a wavelength of 525 nm. Compute the absorbance of this solution.
How many grams of HCl are required to react with the 344 grams of FeCl2?
What is the theoretical yield of aspirin if 190 kg of salicylic acid is allowed to react with 128 kg of acetic anhydride?
why would the chemiluminscence be more pronounced than with the flask stoppered? why is the chemiluminscence even more pronounced with the ferriccyanide/hydrogen peroxide mixture?
For the reaction:2CH4(g) C2H2(g) + 3H2(g) 0.115 mole of CH4 was placed in a 1.00 L container. At equilibrium it was found that the [C2H2] = 0.035 M. What is the value of the equilibrium constant?
The Milikan experiment is important because it determined the of an . Using Thomson's and Milikan's the of an was determined. Rutherford's experiment is important because it clearly demonstrated that the is mostly
A mixture of gases contains 0.290 mol CH4, 0.250 mol C2H6, and 0.270 mol C3H8. The total pressure is 1.60 atm. Calculate the partial pressure of the gases.
How much energy (in kilojoules) is required to convert 245 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL ?
Calculate the value of w (work) for the following system if 20.2 g of NaN3 reacts completely at 1.00 atm and 22 °
When 30 mL of a 365 mL stock solution containing 1.8999999999999997 M AlCl3 is diluted to 81 mL, how many moles of Cl- are in the new solution?
450 mL of oxygen is bubbled through water at 10 degrees celsius and exerts 720.0 torr. What volume will the dry gas occupy at 730.0 torr and 10 degrees celcius?
Determine the change in internal energy of the gas express your Answer in units of kJ and operates for nine minutes to heat the gas in a cylinder
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