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To find the volume of a flask, it is first evacuated so it contains no gas. Next, 2.2 g CO2 is introduced into the flask. On warming to 33 °C, the gas exerts a pressure of 760.0 mm Hg. What is the volume of the flask in milliliters?
If 6.830 moles of an ideal gas has a pressure of 3.290 × 105 Pa and a volume of 0.105 m3, what is the temperature of the sample in degrees celsius
Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCI , and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L . What is the osmolarity of Ringer's solution
Calculate the Ka value of a 0.2 M solution of the monoprotic acid, propionic acid, CH3CH2CO2H. The measured pH is 2.44.
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
Indicate what precipitates, if any, form when solutions of each of the following are added to a solution containing the Group I cations.
added 5 mL of 0.10 M H2SO4 instead of 5mL 0.10 M of HCl calculate the ph of the solution using henderson-hasselbalch
Describe the molecule xenon trioxide, XeO3, using four possible Lewis structures, one each with zero, one, two, or three Xe-O double bonds.
A sample of solid ammonium sulfide (NH4)2S, is placed in a closed bulb which is then filled with 0.0150 mol of inert He gas. The pressure of the He at 25°C is 145 mm Hg.
The melting points of NaF, NaCl, NaBr and NaI are 988, 801, 755 and 651 degrees Celsius, respectively. Are these data consistent with ideas developed in Section 12-5
Calculate the pH of a solution that is 1.00 M HNO2 and 1.00 M NANO2
Consider that a benzene molecule could fit nicely within a two-dimensional square box with each side having length of 5 degree A. a. Calculate the four lowest energy levels for an electron confined
An unknown nuclide decays by elimination of 2 alpha particles followed by a positron. Bombarding this decay product with a 6Li nucleide creates the single nuclide Pb-207. What was the origional nuclide
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