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The volume of a sample of ethane, C2H6, is 2.66 L at 447 torr and 30 °C. What volume will it occupy at standard temperature and pressure (STP)?
It is important that the flask used for molar mass determination is completly dry before adding volatile liquid unknown to it.why? what would happen to any droplets of wash-water remaining in the flask when the temperature of the flask is raised t..
What is the theoretical yield of aspirin if 165 of salicylic acid is allowed to react with 111 of acetic anhydride?
Oxone is sometimes used in keeping swimming pool water clean. Describe using chemical reactions how Oxone keeps swiming pool water clean
In Breckenridge, Colorado, the typical atmospheric pressure is 514 torr. What is the boiling point of water (ΔHvap = 40.7 kJ/mol) in Breckenridge?
Explain why triethylamine is a weaker base than dimethylamine or methylamine.
What mass of helium gas is needed to pressurize a 120.0 L tank to 264 atm at 25°C?
What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions?
How do you write structural formulas for all the constitutionally isomeric compounds having the given molecular formula C3H9N,
0.554g sample that is a mixture of oxalic acid, H2C2O4 and another solid that does not react with sodium hydroxide. If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point
The equilibrium constant kp for the following reaction is found to be 4.31 *10^-4 at 375 degrees C. N2(g)+3H2(g) 2NH3(g) Calculate the partial pressures of all species when equilibrium is reached.
Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed inside a patient\'s body to treat cancer. Brachytherapy allows the use of a higher than normal dose to be placed near the tumor while lowering the risk ..
A tank initially at a pressure of 6.70 atm contains 20.0 moles of oxygen gas at 25.0 degrees celsius. Its temperature is then increased to 45.0 degrees celsius
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