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A 2.3-L flask of H2(g) at 1.8 atm and a 4.8-L flask of He(g) at 2.4 atm are connected by a tube of negligible volume. (See the figure below.) A valve on the tube is opened, allowing the gases to mix at constant temperature with no reaction. What is the final pressure?
What is the heat energy required to convert 0.261 moles gaseous ethanol at 300 deg.c to 25 deg.c at 1 atm with the following information.
Calculate the mass in grams of hydrogen chloride produced when 5.6 L of molecular hydrogen measured at STP react with an excess of molecular chlorine gas
Draw newman projections of two eclipsed as well as two staggered conformations of n-butane and place them on the potential energy diagram given below according to their stability. Notice that the eclipsed and staggered/anti conformations aren't is..
Mount Whitney in California is the highest point in the lower 48 states and is within 150 miles of the lowest place in North America. The normal pressure at the summit is 440mm Hg.
Assuming that the copper and lead are pure, determine the relative amounts of each kind of BB. A bag contains a mixture of copper and lead BBs
Calculate the pH of each of the following buffered solutions. 0.10M acetic acid/0.25M sodium acetate
What is the molecular geometry of a molecule with 4 outer atoms and 2 lone pairs on the central atom
the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula
Would a buffer containing HF and F- in appreciable quantity be expected to have a pH of around 3,5,7 or 9? Justify your answer.
Which of the following is TRUE with regards to strong and weak acids? A. weak acids undergo complete dissociation in solution B. strong acids undergo partial dissociation in solution C.
The butylammonium ion, C4H9NH3^(+), has a Ka of 2.3x10^(-11) C4H9NH3^(+) + H2O > H3O^(+) + C4H9NH2 A. Calculate Kb for the conjugate base, C4H9NH2 B. What is the pH of a 0.015M solution of butylammonium chloride
If 4 mol of a gas at 100 K and 1 atm occupies a volume of 2.5 L, what would the pressure be, in atm, if the volume decreased to 2.0 L and the temperature increased to 110 K
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