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The energy required to dissociate the H2 molecule to H atoms is 432 KJ/mol H2. If the dissociation of an H2 molecule were accomplished by the absorption of a single photon whose energy was exactly the quantity required , that would be its wavelendth(in meters)
When 2 mol of Potassium Chlorate crystals decompose to Potassium Chloride crystals and Oxygen gas at a constant temperature and pressure
Acetylene (C2H2) can be produced from the reaction of calcium carbide (CaC2) with water. Draw the localized electron orbital model (hybridized orbital model) for the acetylide anion (C22-), showing ?, ?, and lone pair electron orbital.
The number of lone pairs = The number of single bonds = The number of double bonds = 2. The central nitrogen atom A. Obeys the octet rule B. Has an incomplete octet. C. Has an expanded octet.
The students continued to do the experiment and determined the negative heat capacity of a metal and heats of reaction, using the negative heat capacity for the calorimeter.
For the following reaction, label the acid, base, conjugate acid, and conjugate base. Given the following values for Ka, circle the stronger acid and stronger base and predict whether the equilibrium is toward the reactants or products.
Explain the oxidation reduction happening behind the reaction: 2 NH4NO3 (s) -> 2N2 (g) + O2 (g) + 4H2O (l)
What is the synthesis for the following compunds from simple organic precursors? Make sure the starting sturcutre is a simple organic precursor
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
the presence of other metal ions from the dissolved brass interfere with the determination of copper in this experiment?
What is the density of lead (in g/cm^3) if a rectangular bar measuring 0.500 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 220.9 g?
What are the methods of Atomic absorption to detect unknown solution
Given the following two solutions: 0.200 M HC2H3O2(aq) with pKa = 4.76 0.200M NaOH(aq) A mixture is made using 50.0 mL of the HC2H3O2 and 25.0 mL of the NaOH. What is its pH?
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