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Calculate the pH change after 100.0 mL of 0.0500M HCl is added to 400.0 mL of a buffer solution that is 0.200M in NH3 and 0.300M in NH4Cl.
(Kb of NH3=1.8x10^-5)
The reducing agent in this catalytic hydrogenation reaction was molecular hydrogen (H2), which was produced in situ during the course of the reaction.
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl.
Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .
Write an equation for the hydrogenation of glyceryl trilinolenate, a fat formed from glycerol and three linolenic acid molecules
Find out the Celsius temperature of 2.49 mol of gas contained in a 1.00 L vessel at 1.8 atm pressure.
is independent of pressure. By doing so, obtain an expression for V as a function of T and ? at fixed P.
strong/weak and concentrated/dilute. Provide an appropriate example using each of these terms to describe a solution
What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg.
what is the molarity of a solution when 2.25g NaF is dissolved in enough water to make 250mL of solution
A solution of ammonia and water contains 4.40×1025 water molecules and 8.30×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Was measured at several temperatures and the following data was collected, Using this data, graph ln k 1/T. using your graph determine the value of Ea please show work and show a graph
Calculate: a. kg of pressed beans from stage 1 b. kg of extracted meal from stage 2 c. kg of final meal & wt% protein of it ans: 8723 kg, 8241 kg, & 7816 kg and 44.8 wt% protein.
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