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Question- For precipitation reaction of Mn2+ with NaOH What is the a. Chemical reaction b. Net ionic reaction c. Spectator ions
Please answer only if you are 100% confident
1. A corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint, and 29.32 mL of 0.01 M EDTA solution for a calcium endpoint.
A certain reaction has activation energy of 51.14 kJ/mol. Explain at what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 321 K
If a precision of 0.1% is required for the concentration of a solution that is 0.2M, how many significant figures must be reported
the pressure is measured as 8.75 atm. Which of these three gases below could be in the container and why? 1) Ar, 2)Co2, 3)HCl
Question-Why would it be important to place the same amount of a solution in the polarimeter tube when measuring optical rotation as the amount of solvent when measuring the blank
the presence of the radioactive gas radon rn in well water obtained from aquifers that lie in rock deposits presents a
Calculate Delta H for the process. Given u ={(2a/RT) - b}/Cp,m; with Cp,m = 38.4j/K.mol; a=3.60dm6 atm and b= 0.44 dm3.mol.
Iron has a density of 7.9 g/ cm3. What is the mass of a cube of iron with the length of one side equal to 55.0 mm.
It is desired to produce an aqueous solution of pH=8.75 by dissolving one of the following salts in water at 298 k. Which salt would you use and at what molar concentration?
mercury is often used in barometers. this is because tje vapor pressure of mercury is low enough to be ignored and
What is the theoretical yield of aspirin if 153 kg of salicylic acid is allowed to react with 179 kg of acetic anhydride?
The brominated product of acetanilide is disubstituted aromatic ring( 2 groups on the benzoering)draw any constitutional isomer that has a monosubtituted aromatic ring and the compound should not have any formal charge
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