Predict the product and balance  redox reaction When metallic aluminum is added to a solution of nitrate in caustic alkali  ,  ammonia gas is evolve and aluminite ion is formed

Q: and Kb for a conjugate acid-base pair in aqueous solution? Ka / K * b = KW Ka + Kb - KW = 1.0 Ka ...

A: For conjugate acid-base pair, For acid, dissociation constant = Ka For base, dissociation constant =...

Q: Which parameter is measured by determining the drop in dissolved oxygen in a sealed water or wastewa...

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Q: lon exchange is used to remove water hardness of a well water, which has a total hardness of 450 mg/...

A: The last option will be correct here  150 mg/L as CaCO3

Q: A 44.20 mL sample of phenol (Ka=1.60x10-10) analyte with a concentration of 0.113 mol L-1 is titrate...

A: We have to calculate the pH at equivalence point.  

Q: problem. 1. An alcoholic drink claims 12% alcohol by volume. Calculate the volume in ml of alcohol p...

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Q: When 372.4 mL of 1.149 M AGNO3 is added to 300.8 mL of 1.383 M NH,CI, how many grams of AgCl are for...

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Q: 7. Nitrogen gas is produced in an automobile air bag. It is generated by the decomposition of sodium...

A: Reaction is given  2NaN3 (s) -----> 3N2 (g) + 2Na(s) since 2 moles of NaN3 Is required to produce...

Q: Name the following compound KOH

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Q: Find the oxidation number for each element in the following substances. N2O 1. N = 2. O =

A: given :- chemical formula = N2O  to assign :- oxidation no.of each element in the given molecule 

Q: We titrated a 25.00 mL water sample with 0.1250 M HCI. The second endpoint at pH 4.5 was achieved af...

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Q: limiting reactant

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Q: Calculate the molar masses of the following substances. Write down each way of calculation. a) Cu(NO...

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Q: choose the functional group that can react with alcohols in esterfication reaction.

A: Organic reactions are those in which organic reactant react to form organic products.

Q: Based on the table, which of the samples contain double bonds?

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Q: 1. At a given pressure and temperature, the phase with the highest chemical potential will be the mo...

A: Note: As per company policy we are supposed to attempt first three parts only in case of true / fals...

Q: How many oxygen atoms are in 33 molecules of dinitrogen tetroxide N2O4

A: As each molecule of N2O4 contains 4 atoms of oxygen and two atoms of nitrogen. Therefore 1 molecule ...

Q: 2. How much heat is lost when a 640 g piece of copper cools from 375 °C, to 26

A: When a solid substance is cooling then heat is lost . It can be determined by the following formula-...

Q: Write the equilibrium expression and identify the specific equilibrium constant symbol if possible, ...

A: To Write the equilibrium expression for equilibrium constant, Kc.,

Q: A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an insulate...

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Q: Me Me Me Me Me Me A

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Q: 6. To study the reaction between ammonia and oxygen, 4NH3(g) + 702(g)52N2O4(g) + 6H2O(g), A flask wa...

A: Given that , initially concentration of [NH3] = 2.40M [O2] = 2.40M And at equilibrium ,  [N2O4] = 0....

Q: Draw the structures of 5 structural and geometric isomers of dienes with formula C5H8.

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Q: The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous s...

A: We have to find rate law and rate constant.

Q: A solution of aqueous Ba(OH)2 has a measured pH of 12.462. What is the molarity of Ba(OH)2 in this s...

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Q: Using gravimetry analysis, explain in 3-4 how is the process of testing the purity of the squash sou...

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Q: 13C NMR PROBLEM 1 How many signals are expected in the decoupled 13C NMR spectrum of butyl acetate? ...

A: The NMR spectroscopy is an important tool for the determination of the structure of an organic compo...

Q: 3) A 3.5 M Mg(NO3)2(aq) aqueous solution has a freezing point of -19.9 °C. What will be the freezing...

A: Colligative properties: The colligative properties are those properties of solutions that depend on ...

Q: The toluene proton NMR spectrum, consisting of two peaks due to the methyl and aromatic protons, has...

A: Use formula ν1v2 = B1B2 Where v1 = 55 MHz and v2 = 500 MHz are frequencies at magnetic field B1  = 1...

Q: A stock solution is prepared by dissolving 4.137 g of (NH.)2SO4 in enough water to prepare 225.0 mL ...

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Q: Find the mass of a piece of copper when 8000.0 J of heat are applied, causing a 45°C increase in tem...

A: Given :-  q (heat absorbed) = 8000.0 J  change in temperature = 45°C  To calculate :-  mass of coppe...

Q: 4. Propose a reasonable synthetic route for the following transformation. Remember that RSA is alway...

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Q: (a) Calculate the energy difference between the two spin states of 'H and of 13C in a magnetic field...

A: The energy difference between spin states are calculated using the equation  ∆E=γ Boh2π Bo is the ap...

Q: Hydrothermal vents produce many types of compounds. One such compound consists of the elements magne...

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Q: e AS°, rxn

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Q: The lowest triplet state in naphtnalene (C10H8) is about below thne lowest excited by N2/N1 = (92/91...

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Q: (b) When NH3 is added to aqueous CuSO4, the complex [Cu(OH2)2(NH3)4]*+ is ultimately formed. Initial...

A: When NH3 is added to aqueous CuSO4, the complex [Cu(OH)2(NH3 )4]2+ is ultimately formed. Initially, ...

Q: Perfect gas AS = nR ln(V/V,) Entropy of isothermal expansion

A: To prove this equation , we would use law of thermodynamics and perfect gas law. 

Q: 13. Given the following thermochemical equation: Mg + Cla) MgCl2(3) 642 kJ + What is the AH for the ...

A: As 642kj energy is evolved in the product side. Therefore, this is an example of exothermic reaction...

Q: C. 8.12 d. 3.44 e. 5.28 3. Determine the solubility of the ions that is calculated from the Ksp for ...

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Q: Write the charge of each ion using the format +1 or -1. You must put a positive or negative sign Wha...

A: Write charge of each ion of the following---  

Q: 7.53 Consider the following SN2 reaction: Br CN NACN DMF (a) Assign the configuration of the chiral ...

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Q: Calculate the molarity and the molality of an NH3 solution made up of 30.0 g of NH3 in 70.0 g of wat...

A: Given, Mass of ammonia (NH3) = 30.0 g Mass of water (H2O) = 70.0 g  Density of the solution = 0.982 ...

Q: An adult female goes on a diet that provides 1200  kcal per day with no more than 25% from fat and n...

A: Total Calories = 1200 kcal/day       

Q: s) At 20 °C the vapor pressure of benzene is 10 kPa and that of methylbenzene is 2.8 · kPa. If this ...

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Q: Correct 1. Calculate the amounts of each reactant. 2. Compare the ratio of reactants amounts to the ...

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Q: Explain why the [Fe(CN)6]3- ion has one unpaired electron, while the [Fe(NCS)6]3- ion has five unpai...

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Q: Choose the best answer. What are the factors that need to be considered in HPLC to ensure the two an...

A: Introduction :  HPLC  means High pressure liquid chromatography it is used to find out the drug quan...

Q: A water solution contains 10 mM HCO3 and 0.2 mg/L CO,2-. We also know the solution pH is 8.5. Please...

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Q: Find the oxidation number for each element in the following substance. UO22+ 1. U = 2. O =

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Q: e. 2.30 x 10 6 M The molar solubility of Ba3(PO4)2 is 8.89 = Ba3(PO4)2. a. 4.94 x 1049 M b. 5.55 x 1...

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