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A 0.5750 g sample of a gas was measured as having a volume of 343.3 mL at 102.9 kPa and 24 degrees celsius. What is the molar mass of the gas.
In a combustion process in which a specified percentage of excess air is used, and in which CO is one of the products of combustion, will the analysis of the resulting exit gases contain more or less oxygen than if all the carbon had burned to CO2
Question- What is the cobalt (II) ion concentration in a solution prepared by mixing 397 mL of 0.372 M cobalt (II) nitrate with 475 mL of 0.377 M sodium hydroxide? The Ksp of cobalt (II) hydroxide is 1.3 Ã 10-15
In a titration, 0.0 mL of 0.025 M hydrochloric acid is added to 30.0 mL of 0.030 M ammonia. What is the pH of the resulting mixture?
What amino acids are preferred for this polypeptide? Draw the side chain structure of each amino acid that can be used for this polypeptide. Label them with both three letter and single letter codes.
Assuming that in free-radical polymerization the rate constants can be replaced by the appropriate Arrhenius expressions: kd = Adexp(-Ed/RT) kp = Apexp(-Ep/RT)
1.2 mol of helium is mixed with 2.3mol of argon in a volume of 1.0L and a temperature of 25.0 degree C. Assuming that helium and argon are perfect gases, what is the pressure of the mixture?
Problem- Gold is all around us. According to data published by the U.K.'s National Physical Laboratory, gold has an abundance of 0.940 ppb by weight and 6.18 ppt by moles in the solar system. Using dimensional analysis and unit conversions, determ..
the heat of combustion of ethanol c2h5ohl is -1367 kjmol. a batch of sauvignon blanc wine contains 10.6 ethanol by
State the electron configuration of the atoms of the following elements: sodium, magnesium, chlorine and neon.
How much work is done when an external pressure of 4.7 atm compresses a chamber from 17.3 liters to 1.1 liters? Please answer in units of kJ.
Imagine that you are trying to design a new battery using the elements tin (Sn) and a halogen (Cl2, Br2, or I2) and you are using the reactions when SnCl2 and KBr are combined.
If I add 1.65 L of water to 112 grams of sodium acetate...What is the molality of NaC2H3O2 in this solution?
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