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If 1.020g of KHC8H4O4 (204.23g/mol) is completely neutralized with 0.200 M KOH, what volume of potassium hydroxide is required?KHC8H4O4(aq) + KOH(aq) -(arrow to the right) K2C8H4O4(aq) + 2 H2O(1)
A certain reaction has an enthalpy of change in H = 54 kJ and an activation energy of Ea=81 kJ. What is the activation energy of the reverse reaction
Identifying dipolar ions, There is a question in my textbook that reads P-amino acid is not a dipolar ion, whereas glycine (aminoacetic acid) is not a dipolar ion- how do you account for this?
A horse ate some ration that was equivalent to 4000. kJ. In this case assume that none of thatenergy was stored or used in the animal's body but that all of this energy was lost in the form ofperspiration
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. Calculate the value of w (work) for the following system if 11.8 g of NaN3 reacts completely at 1.00 atm and 22 °C.
the reaction of z-butenedioic acid fumaric acid with butadiene sulfone gives only one product. draw the product of this
Using the Nernst equation, calculate the effect on the cell potential of increasing the Fe2+ ion concentration from 1.0 M to 2.0 M for each of the following reactions. The concentration of the other solution remains at 1.0 M
How many grams of sucrose must be added to 552 g of wwater to give a soution with a vapor pressure 2.0 mm Hg less than that of pure water at 200C ?( the vapor pressure of water at 200C is 17.5 mm Hg)
suppose you titrate a 25 ml sample of vinegar with 17.62 ml of a standardized 0.1045 N solution of NaOH. what is the molarity of acetic acid in this vinegar?
What pressure in torrs, will be exerted by 3.57g of nitrogen monoxide at 34 degrees C
show that cos(ix)= e^-x+e^x/2 and isin(ix)= e^-x-e^x/2 this is expressions are called the hyperbolic cosine and hyperbolic sine, respectively, hint start with e^-x=e^i(ix) and e^x=e^i(-ix) and apply euler's formula
Ag3PO4(s)+3NaCH3Coo(aq). What volume of a 0.0240 M solution of Na3PO4 is required to react completely w/82.1 ml of a 0.0887 M solution of AgCH3COO
The equilibrium constant is 100. Calculate the concentrations of O2 present at equilibrium
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