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Explain how do the bond angles of PH3 and H2S compare? If different make clear why? How do the electronic and molecular geometries compare
Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
a 2.00 kg sample of pure water at 20.0 degree celsius absorbs 3.53 kJ of heat. What is the final temperature of the water?
calculate the amount of 0.020 m kmno4 solution required to completely oxidize 37.99 ml of .100 m feso4 in an acidic
what are the hydrolysis by-products? What limits the reaction? What determines whether the hydrolysis reaction proceeds from cellulose to sugar (e.g. glucose) or continues on to convert the sugars to alcohol?
If Beryllium oxide crystallizes in the zinc blend structure. (a) Approximate the density of this compound. (b) What is the % ion character. (c) Explain what is anticipated coordination number for the material. Is this reliable with the actual stru..
you need to produce a buffer solution that has a ph of 5.05. you already have a solution that contains 10 rm mmol
A. Suppose you wanted to produce 1.00L of a 3.50 M aqueous solution of H2SO4. 1. What is the solute 2. What is the solvent 3. How many grams of solute are needed to make this solution
natural gas is primarily methane ch4 and is used to heat homes. a typical home is approximately 2000 ft2 and the
Based on their activation energies and energy changes and assuming that all collision factors are the same, which of the following reactions would be fastest and which would be slowest?
You are titrating 110.0 mL of 0.080 M Ca2 with 0.080 M EDTA at pH 9.00. Log Kf for the Ca2 -EDTA complex is 10.65, and the fraction of free EDTA in the Y4- form, ?Y4-, is 0.041 at pH 9.00.
a 5050 blend of engine coolant and water by volume is usually used in an automobiles engine cooling system. if your
The Ka of phenol, C6H5OH, is 1.00 x 10-10. What is [OH-] in a 0.874 M solution of phenol? Use E notation and 3 significant figures.
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