A neutral solution of water at a particular temperature has a concentration of OH⁻ of 4.5 × 10⁻⁷ M. What is Kw at this temperature?

Q: In nature, silver iodide (AgI) is obtained in the form of the mineral iodargyrite. This compound has...

A: A. As we add KI or AgNO3 in a solution containing AgI solubility of AgI decreases and it precipitate...

Q: Directions: Complete the following blanks below with the appropriate data. Base your answers on the ...

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Q: onsider the chemical reaction where hydrochloric acid (HCl) reacts with the antacid magnesium hydrox...

A: Given, Reaction between hydrochloric acid (HCl) and antacid magnesium hydroxide .

Q: enthalpy of

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Q: mole fraction of eac

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Q: Stoichiometry

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Q: QUESTION 1 Formic acid. HCOOH, is the substance that causes ant bites to sting, and K- 1.8 x 10- for...

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Q: Which of these mixtures represents a shift in the forward direction? Select all apply

A: Here equilibrium established in the reaction. 

Q: Q2. A. Compound Which is composed of 57.14 % C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar m...

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Q: mL

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Q: For the gas phase decomposition of hydrogen peroxide at 400 °C 2 H202 2 H20 + 02 the average rate of...

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Q: Draw the structures of 5 structural nd positional isomers of alkynes with formula C6H10

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Q: What is the mass of 8.61E0 moles of carbon atoms?

A: We would use moles to mass conversion .   

Q: What mass of AlCOH)3 , is produced from 30ml 1.0M Al(NO3)3

A: Aluminium nitrate produces Al3+ ions. These ions bind with OH- from water.

Q: / protons

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: Biomolecular Signaling Hydrogen sulfide and nitrogen monoxide can act as signaling agents in living ...

A: (a)  Rate of reaction = change in conc of species / time taken For avg. conc.,lets take initial and ...

Q: Problem 1: Draw the mechanism for the nitration of methyl benzoate as shown in the figure. Indicate ...

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Q: 26) Predict the major product of the following reaction. CH3-0 1. LIAIH, HN CH3 2. Н.о

A: LiAlH4 is a strong reducing agent. 

Q: Ka for hypochlorous acid, HClO, is 3.0×10-8. Calculate the pH after 10.0 mL of 0.100 M NaOH have bee...

A: Given data : Volume of HClO = 40 mL Concentration of HClO = 0.100 M Volume of NaOH = 10 mL Concentra...

Q: Q2. A. Compound Which is composed of 57.14% C, 6.16 % H, 9.52% N, 27.18% O by mass and has a molar m...

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Q: Balance the following chemical equation (if necessary): Ca(OH),(s) + H,PO,(aq)→ H,O(1) + Ca,(PO,),(a...

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Q: Question 30 What is the nuclear composition of Copper? O 29 protons, 29 electrons and 64 neutrons O ...

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Q: You are asked to prepare 100.0 mL of a 30.0% (m/v) NaCl solution.  The procedure states that 0.513 m...

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to ...

Q: The gas in a 250.0 mL piston experiences a change in pressure from 1.00 atm to 3.75 atm. What is the...

A: V1=250mL P1=1.00atm P2=3.75 atm V2=?  

Q: 17.30 The equilibrium constant Kp for the reaction Co(g) + Cl(g) COCI,(g) is 5.62 x 1035 at 25°C. Ca...

A: Relation between G= -RT ln Kp  

Q: An automobile engine provides 623 Joules of work to push the pistons. In this process the internal e...

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Q: Determine the Ph of a 0.020 M solution of oxalic acid, H2C2O4. What is the concentration of C2O4 ion...

A: Oxalic acid is diprotic acid and Ka1 = 6.5 * 10-2 and Ka2 = 6.1 * 10-5 [Oxalic acid] = 0.020 M      ...

Q: Identify the most polar part of the molecule

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Q: The following are all non-polar molecules. Which one likely has the highest boiling point? O C8H18 O...

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Q: 3. Look at the two spectra below, one of which is 2-methylcyclohexanol and one of which is 3methylcy...

A: In IR, Alcohol peak at 3300 cm-1 (broad). Alkene C=C stretching = 1650 cm-1    

Q: Characteristics conmpared What dbes water have unique to Other similar molecules? A.Water molecules ...

A: Water is a molecule which contains two hydrogen atoms and one oxygen atom in it and the arrangement ...

Q: 2. Consider the given reaction. 2BRF,(g) = Br,(g) + 5F,(g) If the respective equilibrium concentrati...

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Q: Formalin is 37% formaldehyde in water solution. Formaldehyde is soluble in water because it is alan*...

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Q: Shown in the image is a diagram for the voltaic cell with the overall cell reaction being Al + Pb2+ ...

A: In the given cell Al electrode is anode because oxidation of Al is taking place while Pb electrode i...

Q: The final step in the Compounds of Copper experiment is the addition of aluminium metal to copper(II...

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Q: The Earth's atmosphere is made up of 78% Nitrogen and 21% Oxygen. The greater amount of Nitrogen tha...

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Q: is Molecular formula

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Q: 8. Assume that the following exchangeable cations are present in a 25 gram sample of a soil Cation С...

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Q: In air, nitric oxide gas reacts with oxygen to produce nitrogen dioxide, which appears brown in colo...

A: The amount of Nitrogen dioxide formed can be calculated as follows

Q: Rank the following alkyl chlorides in order of reactivity (fastest to slowest) in the SN1 reaction p...

A: Carbocation is species in which carbon is carrying negative charge on carbon. 

Q: Which molecule below would produce the most heat/mole of compound upon hydrogenation with excess H2 ...

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Q: %T 以的 88 8 83 2 8

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Q: Mass of bromobenzene used (g) 4.567 Saved Amount of bromobenzene used (mol) 0.02909 Saved Mass of ma...

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Q: Butter easily melts than potassium nitrate because the type of interaction in butter is while in pot...

A: The attraction forces between the different molecules are known as intermolecular forces.

Q: Q3. A cylinder with an initial volume 15L is filled with 2mol of an ideal gas at 25C the temperature...

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Q: Q3. A sample consisting of mono atomic ideal gas at I atm and 25C' expand adiabatically and reversib...

A: First law of thermodynamics says that internal energy change is equal to the sum of heat energy chan...

Q: Interpret IR data

A: A question based on IR spectra that is to be accomplished.

Q: Shown in the picture is a voltaic cell. Circle on the half-cell where reduction takes place.

A: Shown in the picture is a voltaic cell. Circle on the half-cell where reduction takes place.,

Q: 6. -čOCH,CH, 7. CH;CH:CH:CH;CH2NH2 S. CH:(CH:);CHO 9. HC CHẠCH,CH;-CH-CH, 10.

A: IUPAC Rules : Identify the longest carbon chain as parent chain Start the numbering from the end ne...

Q: Determine the formula and name for a compound that is 42.9% carbon and 57.1% Oxygen.

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