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1)Electrons in the 2s and 2p orbitals have _______________ quantum numbers n and electrons in the 2s and 3s orbitals have _____________ quantum numbers n. 2) A molecule of oxygen gas (O2?) has a velocity of 2800 m /?s. What is its de Broglie wavelength? 3) What is the electron configuration of the oxide ion (O2-?)? 4) A string that is restricted at both ends has a length of 1.50 m. What is the wavelength of the string's fundamental frequency?
Light of wavelength 540 nm is incidenct on a slit of width 0.150, and a diffraction pattern is produced on a screen that is 2.00 from the slit. What is the width of the central bright fringe
determine angle a to the nearest tenth of a degree when sin a
Barium chloride + sodium carbonate --> a) balanced formula equation b) complete ionic equation c) net ionic equation
consider the following equation that describes the complete combustion of propane.nbspthe bond energies are c-h 416
The titration required 10.51 mL of the KOH solution to reach an end point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3?
How would I build a molecule of C(CH3)3Br ? I am using a software called Webmo and MOPAC. Whenever I build a molecule, it would always end up like this C4H9Br?
calculate the ph at each point indicated when 100 ml of .100 m hf is titrated with .200 m koh a before addition of koh
How do the pHs of the buffered solutions compare. Explain. How do the buffering capacity of the two solutions compare. Explain
Predict products and write the net ionic equation for the following reaction that occurs in aqueous solution. The spectator ion(s) is/are
Propose a reasonable reaction mechanism for the sodium hypochlorite oxidation of 3-heptanol. Give the IUPAC name of the expected product. What other oxidizing agents may be used to carry out this oxidation
Provide the arrow pushing mechanism of the synthesis of hexaphenylbenzene from diphenylacetylene
In a laboratory synthesis , a student begins with 5.00ml of acetic anhydride (density = 1.08 g / mL) and 2.08 of salicylic acid. Once the reaction is complete, the student collects 2.01 g of aspirin . Determine the limiting reactant , theoretical ..
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