the pH of

Q: how do you calculate the pH of a buffered solution

A: Buffer solution is a solution which has mixture of weak acid and its salt or weak base and its salt....

Q: How to get potassium hydroxide from potassium iodide?

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Q: Which of the following set of conditions is an efficient synthesis of the molecule shown? он OH 1. B...

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Q: Question 10 of 20 Submit Complete the balanced neutralization equation for the reaction below: HC,H,...

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Q: electrical work, delivers 274.0 Joules of expansion work, and absorbs 168.0 Joules of heat. How many...

A: From first law of thermodynamics,  □E = q + w Where, □E = change in interanal energy  q = heat w = w...

Q: What is the corect IUPAC name for the following compound? CO2H Br

A: At first carbon parent chain is counted.  Here benzene is as parent ring. CO2H is carboxylic acid fu...

Q: Determine the acetic acid concentration in a solution with [CH3CO0] = 0.030M and [OH] = 1.75 x 10-M ...

A: Given data:- Concentration of acetate ions [CH3COO-] = 0.030 M Concentration of -OH ions [-OH] = 1.7...

Q: Which statement is not correct? O A voltaic cell is a type of electrochemical cell All electrochemic...

A: Electrolysis is chemical decomposition of electrolyte in the  aqueous state by the passage of electr...

Q: 2. Nitrogen is collected over water at 40.0 °C. What is the partial pressure of nitrogen if the tota...

A: Given: The total pressure is 99.42 kPa At 40oC, the vapor pressure of H2O (water) is 7.38 kPa

Q: What is the geometry for the [Cr(H2O)4C12] compound OA Square planar OB Tetrahedral OC Trigonal plan...

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Q: Balance the chemical equation for the combustion of propane by first writing the homogeneous system ...

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Q: Synthesize methyl ethyl acetylene using acetylene.

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Q: 1. What is the correct IUPAC name for the following compound? O A. Diphenylamine O B. 1,1 diphenylam...

A: We are to write the IUPAC name of given aromatic structure.

Q: The following scheme shown will lead to formation of which major product from benzene? HNO, Br Produ...

A: Benzene is an aromatic compound. It is an electron rich compound and contains delocalised π electron...

Q: Spontaneous electrochemical reactions have free energy values. cell potentials and positive, negativ...

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Q: system receives 75.0 Joules of electrical work, delivers 274.0 joules of expansion work and absorbs ...

A: Change in internal energy is equal to the sum of work done during expansion, electrical work and the...

Q: The following data was collected as per Part 1A of the lab procedure. Mass ice = 10.00 g Heat of fus...

A: Interpretation- To determine the calorimeter constant on the basis of given following data above pre...

Q: mass

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Q: A spectrochemical series is a series of chemical units that contribute to ligand field splitting arr...

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Q: 17. A polyunsaturated fatty acid contains multiple а. ketones. b. carboxylic acids. carbon-carbon do...

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Q: A sample of a liquid with a mass of 8.657g was decomposed into its elements and gave 5.217g of carbo...

A: In the laboratory, density can be used to identify an element, while percent composition is used to ...

Q: The major product that would form from the presented reaction scheme is? CH3 H2/Pd NO2

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Q: (b) F–F, Cl–CI, Br–Br, I–I, and Cl–F;

A: with increase in the size bonded atom bond length increases, consequently bond energy decreases.   

Q: Must the numbers of protons, electrons and neutrons be the same or different in each of the followin...

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Q: are excellent conductors of electricity? in solution and in liquid state e3 The ions are locked into...

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Q: 09:29 What is the geometry for the [Cr(H20)4CI2] compound? (4) OA Square planar O B. Tetrahedral OC....

A: Coordination compounds.

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the compo...

A: Balanced dissociation reaction of SeO2(s) ?

Q: Light is given off by a sodium or mercury-containing streetlight when atoms are excited. The light y...

A: Option C is correct.

Q: NH2 NHCOCH3 H/H2O (Hydrolysis) NO2 ÑO2 p-Nitroacetanilide (major) p-Nitroaniline

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Q: I need hand written solution only otherwise I will down vote   how many chirality centers are pres...

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Q: If LiCl•3H2O(s) and H2O(l) are mixed isothermally at 25°C to form a solution containing 15mol of wat...

A: Given: moles of water = 15 mol Temperature = 25°C = 298 K

Q: What are the reagents of the following reaction? он но

A: Three member cyclic epoxide is very reactive, so I can used acid as well as base for the ring openin...

Q: What is the molar solubility of a hypothetical compound AB in pure water given a Ksp = 5 x 10? AB(s)...

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Q: Which is spontaneous?   this reaction

A: Given temperature =  144.0°C  Given two reaction  C3H8g + 5O2g ---> 3CO2g+ 4H2O ΔH= −2220.kJ ΔS =...

Q: 0.050 M of H2 and 0.050 M of Brz are placed in an evacuated 5.0 L flask and heated to 700 K. What is...

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Q: How many ligands are found on the coordination compound [Co(NH3)5CI ]CI2? OA8 OB. 6 OC4 OD 5

A: Calculate number of ligand in the given complex---

Q: 250(g) + 02 (g) + HCI (g) NH3(g) MgCO3 250 (g) NH,CI (s) + CO2(g) Mgo (s) +

A: Entropy denotes by a symbol 's' . Entropy of a universe increasses spontaneously.   Second law of th...

Q: Which of the following atoms has the largest number of unpaired electrons? (Clue: draw orbital diagr...

A: Given  the following atoms has the largest number of unpaired electron (a.) Cu^2+               (b.)...

Q: draw the chemical reactions of the following

A: We have to write the chemical reactions involved in all the three tests.

Q: average atomic mass

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Q: Be sure to answer all parts. What H3O+ concentration corresponds to each pH value: (a) pH = 12; ...

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Q: Use the interactive to determine the specific heat of the mystery metal. The specific heat of water ...

A: Given that : The mass of metal(mm)=5.4000 gThe mass of water(mw)=65.00 gThe initial temperature of w...

Q: What is the difference between weak acids/bases and strong acids/

A: Acid are those which give H+ ion and base which give OH- ion . strong acid are those which completel...

Q: Which factors affect the reaction rate in Diels-Alder reactions? O A. Electron donating group on the...

A: Answer is A) electron donating groups on the diene and electron withdrawing groups on the dienophile...

Q: Question 14 Which reagent will accomplish the following reaction? O NAOH O CH3CO3H O H20, H2SO4 O (a...

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Q: A student was asked to determine the enthalpy of solution of KCIO3 in water using Styrofoam calorime...

A: During calibration, Millimoles of HCl used=Volume of HCl×Molarity of HCl=8.00 mL×0.050 M=0.40 mmol

Q: What happens to teh binding energy if the mass number increases? Explain further

A: Atomic binding energy is the energy required released when many free nuclear particles are joined to...

Q: how do you write the ionization of acids and bases in water

A: Ionization is process of forming ions.  

Q: Mg(s) can replace the metal in which of these compounds? Select all that apply. O FeCl3 O None of th...

A: Given statement is :  Mg (s) can replace the metal in which of these compounds ? select all that app...

Q: write the tollowing equatinand Delermine wich, the type A reactin ifa and Mechunis m CHe-I 3 ethenig...

A: Organic reaction mechanisms.   As per our guideline we have to answer first three questions only.