Write a balanced chemical equation for the formation
Benzene is often produced as a by-product during the synthesis ofphenylmagnesium bromide. How can its formation be explained? Writea balanced chemical equation for the formation of benzene.
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What volume of carbon dioxide, measured at STP, will beliberated (that means given off) when 300.08 grams of calciumcarbonate reacts with excess hydrochloric acid (The other productsare calcium chloride and water)?
A 95.0 gram piece of copper wire is heated to 89.2?C and thenplaced in a calorimeter containing water at 20.4?C. The finaltemperature of the water and copper wire is 23.0?C. The heat capacity of the calorimeter is 32.0 J/K.
How many grams of dipotassium oxalate (M.W.=166.22) should be addedto 20.671 mL of 0.7097 M HClO4 to provide a solutionwith a pH value of 5.6919 when the solution is diluted to 44.517mL?
A particular household ammonia solution (d = 0.97 g/mL) is6.8% NH3 by mass. How many milliliters of this solution should be diluted with water to produce 613 mL of a solution with pH = 11.56?
Benzene is often produced as a by-product during the synthesis ofphenylmagnesium bromide. How can its formation be explained? Write a balanced chemical equation for the formation of benzene.
As the balloon rises in the atmosphere, the pressure and temperature drop. What volume will it have when it reaches analtitude where the temperature is -33 Celsius and the pressure is0.65 atm?
Determination of the actual concentration ofH2O2 in a bottle of peroxide solution wasdone by diluting 1.00 mL to 100 mL with water, acidifying withdilute H2SO4 and titrating with a 0.01593 MKMnO4 solution.
The reaction between ammonia and dinitrogen trioxide to givenitrogen gas and water, NH3(g) +N2O3(g) <=> N2(g) +H2O(g) has a DH value of -500.0 kJ and a DS value of -5kJ/mol K. At what temperature does the reaction become non-spontaneous?
Is it possible for some of the aldehyde to not have reacted and beseen in the product mixture? Or does the reaction exclusively yieldan alcohol and a carboxylic acid?
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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