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What is the easiet way to understand chemical equations? And what exactly is the Octet Rule and how does it apply to these equations?
calculate the number of moles of magnetic iron oxide produced.
Find the de Broglie wavelength of an electron whose speed is 2 x 10^7 m/s. How significant are the wave properties of such an electron likely
How much thermal energy is evolved by a reaction in a calorimeter in which the temperature of the calorimeter and water increases from 19.50 degrees C to 38.83 degrees C. The calorimeter has a heat capacity of 650 J/degrees C and the calorimeter c..
The rotation constant for H2 is 60.80 cm-1 the harmonic frequency is 4395.3 cm-1 and the anharmonicity constant is 117.90 cm-1. calculate the frequency at which the Q branch first overtone will be found.
For IF5 draw an appropriate Lewis structure.
Calculate the solubility product constant for Pb(IO3)2 (4.3 x 10^-5 M), given that the molar concentration of saturated solution is as indicated in parenthesis.
in a laboratory, 6.82 g of Sr(NO3)2 is dissolved in enough water to form 0.500 L of solution. A0.100-L sample is 0.0245 M solution of Na2CrO4.
Which of the following metals will be oxidized by Pb(NO3)2: Zn, Cu, Fe? Write the balanced molecular, ionic and net ionic equations for the reaction.
Air is a mixture of N2,O2,Ar,Co2,Ne,He,CH4,lessor amounts of the other gases and possibly substantial amount of H2O in vapor form.
what is the molar mass of the unknown liquid in g/mole?
Pb atom is ionized using a photon of ultraviolet radiation having an energy of 1.86E-18 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
If an equilibrium constant is much larger than one, it means? A. The position of equilibrium favors the formation products B. The position of equilibrium favors the formation of reactants C
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