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Question- Which one of these samples contains the smallest number of molecule? A) 1.0L of H2 at STP(0c and 1atm) B) 1.0L of N2 at STP. C) 1.0 L of H2at 20 c and 760 torr. D) 1.0L of N2 at 0c and 800torr. E) 1.0 L of He at STP
Any expert is able to provide answer for this problem in very short time
Consider the following qualitative analysis scenario and then classify what type(s) of qualitative analysis principle is/are being used. More than one choice may be correct.
CH3OH(g) is decomposed by this reaction at constant pressure. (c) For a given sample of CH3OH, the enthalpy change during the reaction is 82.1 kJ
The volume of a teaspoon is about 5cm, and Ben found this would cover half acre pond (2000 m2). Find the thickness of the oil film.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
At a particular temperature, 12.0 moles of SO3 is placed into a 3.0L rigid containerand the SO3 dissociates by the reaction 2SO3 (g) 2SO2 (g) + O2 (g)
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Electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm. What is the kinetic energy of an electron (in J)
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The dipole moment (u) of HBr (a polar covalent molecule) is 0.82 D (debye), and its percent ionic character is 12.1% Estimate the bond length of the HBr bond in picometers.
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