The initial concentration of a reactant A in a second order reaction is 0.8 M. What will be the concentration of A after 4 half-lives have passed? 0.06 M 0.05 M 0.2 M 0.03 M 0.10 M

Q: Which of the following statements regarding complexometric titrations is incorrect O The lower the…

A: The incorrect statement is, The lower the formation constant for the EDTA-metal complex, the sharper…

Q: 4:[a] A mixture containing only KCI and NaBr is analyzed by the Mohr method. A 0.3172-g sample is…

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Q: 1. Show that the mean velocity of an electron in an electron gas at the absolute zero of temperature…

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Q: 11 In an experiment to determine hydrolysable tannins in plants by absorption spectroscopy the…

A: The give data of Absorbance and Concentration was analyzed on spreadsheet. The graph depicting the…

Q: Q/ An aluminum atom has two electrons in the (3s) state and one electron in the (2d) state outside…

A: The atomic number of aluminium (Al) is 13.

Q: A liquid solution at 300 K has 0.5 wt% NaCl and the rest is water. Calculate the total molar…

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Q: The decomposition of ammonia is: 2 NH3(g) = N2(g) +3 H2(g). If Kp is 1.5 x 103 at 400°C, what is the…

A: Equilibrium constant at constant pressure is defined as partial pressure of each products divided by…

Q: The molecular formula of furan is a) CaHsN b) CgH;0 c) CaH40 d) CaHaN2 Select one

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Q: Please let me know the following organic synthesis process. Write down the necessary reaction…

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Q: 22.Given the following gas composition: Mole Fraction, yi Component CO2 N2 0.06 0.03 0.75 C2 0.07 C3…

A: Given: Data pertaining to the mole fraction of the hydrocarbons, and non-hydrocarbons (viz. nitrogen…

Q: Task: Enter into the middle table column the listed below compounds, according to their category of…

A: Highly soluble -: MgSO4 , Na2CO3 ,  NaCl ,K2CO3          Sparsely soluble -: CaSO4 , CaCl2 , MgCl2,…

Q: Q1 // If the calcium line has an amount of (422.7 nm) that results in a simple Zeeman effect in a…

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Q: Which one of the following is correct regarding the symmetry of molecular orbitals? O Td is g O Od…

A: g means gerade Sigma bond always forms gerade.

Q: A chemist vaporized a liquid compound and determined its density. If the density of the vapor at…

A: We will assume the gas to behave ideally when the liquid is vaporized . As the gas is behaving…

Q: What are the applications of Controlled-Potential Electrogravimetry?

A: Controlled-Potential Electrogravimetry:     By controlled potential electrolysis,it is possible to…

Q: Determine the activation energy for crystallization of polypropylene, using (Fig. 3). 1.0 130°C…

A: The temperature v/s fractional transformation curve given is,

Q: What is the meaning of A Green Oxidizing Reagent?

A: From the environmental point of view,  the use of green oxidizing agent is quite important.

Q: A KCI solution is prepared by dissolving 60.0 g KCI in 250.0 g of water at 25°C. What is the vapor…

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Q: How many grams of Ba(103)2 (487 g/mol) can be dissolved in 500 mL of water at 25°C. (Ksp of Ba(103)2…

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Q: 3-They have load transfer nodes to the metal. For which of these complexes do you expect the band…

A: Answer -

Q: How many grams of boric acid should be used in compounding the following prescription? Report o the…

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Q: 58) Given the following bond energies : Bond bond energy (KI/mol) C=C 614 0=0 745 C=0 789 O=H 467…

A: NOTE: It should be O-H and C-H in the bond energy data.

Q: 3. Complete neutralization of 10 mL of phosphoric acid solution by NaOH 0.1 N in the presence of…

A: given - volume of acid = 10ml. volume of base = 11ml conc. of base = 0.1N conc. of acid =?

Q: The correct reagents in the following reactions are: 8.8-8 H. NO2 NH2 E E: 3H2/Ni G: KCN/Cu2(CN)2…

A: E step is reduction of nitro to amine F step is diazotisation. G is addition of hydrogen.

Q: 3. For each pair of the following molecules, indicate whether its members are identical, structural…

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Q: 6. Decomposes a substance is reaction from the first order, if it takes 4 minutes to change its…

A: 6. Given that : Initial concentration of the substance = 0.705 M Final concentration of the…

Q: Q1) in titration of 25 mL of the solution containing Cu2+ with the concentration of 0.01 molar ,…

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Q: A solution contains 0.010 moles of Kl and 0.10 moles of K2CrO4 per liter. AgNO3 was added slowly.…

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