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2NH4Cl(s) + Ba(OH)2 * 8H20(s) = 2NH2(aq) + BaCl2(aq) + 10H2O(l)
Explain the Delta H for this reaction is 54.8 kJ. Explain how much energy would be absorbed if 27.1 g of NH_4Cl reacts?
Caproic acid C5H11COOH is found in small amounts in coconut and palm oils and is used in making artificial flavors. A saturated solution of the acid contains 11 g/L and has a pH of 2.94. Calculate Ka for the acid.
Draw out the Lewis structures for H2CO3, HCO3-, and CO32-. Then determine the maximum number of equivalent resonance structures for each species. Note that carbon is the central atom in all three cases.
A stream of propane is throttled from 20 bar and 518 K to 0.42 bar. This process is irreversible due to frictional losses at the nozzle.
(i) Propose two resonance forms (that respect the octet rule and energetically nonequivalent) contributing to the structures for each of the following molecule and ion.
Methane reacts with oxygen to form carbon dioxide and water as shown:. determine how much methane must have reacted If 72 grams of water is formed,?
Write the half-reactions and the products for the reactions that occur in the electrolysis of a saturated solution of magnesium sulfate using inert electrodes.
The half-life for the radioactive decay of U-238 is 4.5 billion years and is independent of initial concentration. How long will it take for 10% of the U-238 atoms in a sample of U-238 to decay?
After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution
Fill in the missing mass number and atomic number for each of these particles or types of radiation
The hydrido complex [FeH6]4- has Oh symmetry. The bonding in [FeH6]4- can be described in term of the interaction between the atomic orbital of Fe and the LGOs of the H6-fragment.
Barium chlorate in solution mixed with Silver fluoride
Compare your predicted Cl-C-Cl bond angle and the program model predicted Cl-C-Cl bond angle in C2Cl4 with the actual Cl-C-Cl bond angle in C2Cl4. Are they the same. Explain any differences based on electron repulsion and sizes of atoms and electr..
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