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Problem- Calculate the percentage difference in the fundamental vibration wave number of 23Na35Cl and 23Na37Cl on the assumption that their force constants are the same
Please write answer for each section in its entirety to receive points
Depict a standard energy diagram how does it change when change the concentration of a substance? Collision theory but don't know
The following solutions are mixed: 35.0 mL of 0.200 M Ca(OH)2 are mixed with 60.0 mL of 0.125 M HBr. What is the pH of the resulting solution. Assume additive volumes.
suppose a student is measuring the optical rotation of a 1 m sample of s--- limonene. the path length is 13cm. what
A 5.0 gram sample of tea was extracted with 200 mL of boiling water for 2 minutes. Caffeine from 2.0 mL of the above tea, after solid phase extraction, was diluted to 50. mL with the mobile phase. 10uL of the sample extract upon injection gave an ..
If some of the product contained magnesium nitride rather than magnesium oxide, would the experimental % Mg be higher or lower than that expected for pure magnesium oxide. Mg3N2+3H2O=3MgO+2NH3
Consider the titration of a 25.0 mL sample of 0.100 M HC2H3O using 0.100 M NaOH as the titrant. Ka=1.8 x 10^ -5. Calculate the pH of the analyte after 10.00 mL of 0.100 M NaOH has been added. Use the Henderson-Hasselbalch equation.
Calculate the volume of the gas, in liters, if 1.60mol has a pressure of 0.995atm at a temperature of -4^\circ C.
55.0 mL of a 1.70 M solution is diluted to a volume of 278 mL. A 139 mL portion of that solution is diluted using 175 mL of water. What is the final concentration
Krypton crystallizes as a fcc (face centered cubic unit cell) having an edge length of 559 pm. What is the density of solid Krypton?
Which absorption band present in the acetaminophen spectrum but absent in the p-aminophenol spectrum indicates that this product is an amide
polonium-218 is an alpha emitter with a half-life of 3.0 minutes. if a sample contains 55 mg of po-218 atomic mass
Forecast the products that might form when the following reagents interact in an appropriate solvent. a) ZnGrO4 + AgNO3-
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