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2-butene-1-thiols is one component of skunk spray. How whould you synthesize this substance from methyl 2-buenoate? From 1,3-butadiene?
The density of magnesium oxide is 3.58 g /cm3. Given that the radius of the O2- ion is about 140 pm in most oxides, calculate the radius of Mg2+, in pm. Your solution should include a sketch one face of the unit cell of MgO to show how the edge le..
Order the following compounds according to their expected lattice energies: LiBr, LiCl, LiI, KI, NaI, Express your answers as chemical formulas. decreasing expected lattice energy separated by commas.
can you explain hesss law? how does the quantum mechanical model of the atom explain the difference between the
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
what is thenbsptotal energy of the photons detected in a period of one hournbspif a radiation detector is capturing 8 x
how much heat is released when 105 g of steam at 100 co is cooled to ice at -15co? the enthalpy of vaporization of
Lucas Test. For each compund, drae its structure and note the amount of tome it takes for the soultion to become cloudy
Use a systematic treatment of equilibrium to calculate the pH of a solution prepared by diluting 0.467 g of aniline (aminobenzene, C6H5NH2) to 100.0 mL.
If the volume of 0.200 M NaOH needed to neutralize 0.410 g of an unknown acid is 35.0 mL, what is the molar mass of the monoprotic acid
three gases nitrogen helium and krypton are confined in a 4.00 l vessel at a pressure of 14.0 atm. the vessel contains
The first order reaction SO2CL2 yields SO2+ Cl2 is 10% complete in 80 min. How long would it take for the reaction to be 95% complete?
Ionization energy is the energy needed to eject an electron from an atom. Compute the ionization energy of a hydrogen atom in its first excited state (n = 2).
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