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Determine the value of ?x=((x2)-(x)2)1/2 and ?P=((p2)-(p)2)1/2 for a harmonic oscillator. discuss these quantities with reference to the uncertainty principle
Hospital patients are administered oxygen from an pressurized hyperbaric oxygen chamber. 600.0 L of oxygen is compressed in a cylinder at 160.0 atm. What volume of oxygen can a cylinder supply at the given pressure.
c8h18l252o2g----gt8co29h2ocalculate delta hrxn for the combustion of octanec8h18 a component of gasoline by using
Use Le Chatelier's principle to explain why the buffer prevents large changes from occuring in PH when
What techniques might you employ to induce crystallization if no crystals have formed after you cool the solution to room temperature.
Compound XF3, where the identity of X is unknown, consists of 64.8% F by mass. What is the atomic weight of X?
What pressure is exerted by 0.625-mole of a gas in a 45.4-L container at -24.0°C?
The Ksp for Cr(OH)3 is 1.6 x 10?30. What is the molar solubility of Cr(OH)3 in a buffer solution with a pH of 11.5. Hint: what is the balanced reaction
Calculate the delta G for each of the following reactions. State whether each reaction is spontaneous or non-spontaneous at standard conditions, and explain your reasoning.
Calcium hydroxide, Ca(OH)2, dissolves in water to the extent of 1.04 g/L. What is the value of Ksp for Ca(OH)2
The density of air at 19 °C is 0.0020 g/ml at about atmospheric pressure. Although air is a mixture, we can take the average molecular weight of the molecules in air to be 27.37 amu. (a) What is the mass of air in the bottle? (b) By how much does ..
Assuming the vinegar solution has a density of 1.01 g/ml calculate the percent by weight of acetic acid in your sample of vinegar. How does that value compare with 5 percent the value for the percent acetic acid in normal vinegar? I had 10.0ml of ..
When heated 8.17 g of a salt of hydrated magnesium chloride MgCl2. xH2O, where x represents the number of moles of H2O per mole of MgCl 2, you lose all the water of hydration, leaving 2.50 g of MgCl2. Determine the value of x.
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