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Problem- Consider the titration of a 24.0-mL sample of 0.110M HC2H3O2 with 0.130M NaOH. Determine each of the following. The pH at 4.00mL of added base. The pH at one-half of the equivalence point. the pH at the equivalence point
Using textbook reference solve the reactions given in above problem
A 9.75-L container holds a mixture of two gases at 45 °C. The partial pressures of gas A and gas B, respectively, are 0.186 atm and 0.820 atm. If 0.190 mol of a third gas is added with no change in volume or temperature, what will the total pr..
Calculate the volume of concentrated HCL (37% by weight, density 1.19 g/mL) that must be added to 500 mL of .10 M ammonia to make
Depict the structural formula for 2,5,6-trimethylnonane, 3-propyl-4,5-dimethylheptane., and 1-ethyl-3-methylcyclohexane.
Question- Determine if the following reaction is at equilibrium. If not, which direction must it go in order to reach equilibrium? 2 PCl3 (g) + Cl2 (g) P2Cl8 (g)
To find the pKa of X-281, you prepare a 0.087M test solution of X-281. The pH of the solution is determined to be 2.40. What is the pKa of X-281?
A mutant hemoglobin has His146 of the beta chain replaced with a threonine residue. predict what the consequence of this mutation might be. specifically:
State a balanced chemical equation for this equilibrium. Compute the amount of each substance at equilibrium
What information is obtained from the partition function? How is the partition function used to calculate state functions u, s, and a
an automobile gasoline tank holds 42 kilograms of gasoline. when the gasoline burns 147 kilograms of oxygen are
a kilogram of aluminum metal and a kilogram of water are each warmed to 75 degree celsius and placed in two identical
Problem- A 4.82g sample of iron is heated to 84.3 degrees Celsius. A 1.25g sample of gold is heated to 95.1 degrees Celsius. Both of these metals are added to 9.47g of cold water that is initially at 14.5 degrees Celsius.
Calculate the pressure in the flask in atmospheres and torr also If the sealed-tube manometer in had a height difference of 20.0 inches between the Hg levels?
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