Fischer

Q: At 25 °C, a solution has a hydronium ion concentration of 3.20x10-8 M. What is the pH, pOH, and [OH'...

A: The given data: The concentration of hydronium ions [H3O+] = 3.20×10-8 M To determine= pH, pOH and [...

Q: calculate the molar heat capacity of a mercury metal with specific heat capacity of 0.140 j/g0c.

A: Molar heat capacity is the amount of heat required to increase the temperature of one mole substance...

Q: Determine the pH of a buffer that is 0.95 M HBRO and 0.68 M KBRO. The value of pka for HBRO is 8.68....

A: Given data is as follows: The concentration of HBrO = 0.95 M The concentration of kBrO = 0.68 M The ...

Q: Describe one reversible process. Then, state whether the following actions increase entropy, decreas...

A: The process in which the initial state of the system and its surroundings can be brought back withou...

Q: For the following reaction, polarimetry was used to determine the optical purity of the products. Ne...

A: The separation of a racemic mixture into its enantiomers is known as resolution. 

Q: What would be the heat of combustion of C4H10(g) if the heats of formation of C4H10(g), CO2(g), and ...

A: Heat of combustion :- The amount of heat released by the when one mole of a substance is burnt in ex...

Q: b Choose balanced equations showing how the HSO3 ion of sodium hydrogen sulfite, NaHSO3, can be a Br...

A: Bronsted Lowry base is a substance which acts as proton acceptor whereas bronsted Lowry acid is a su...

Q: Question 21 of 26 When 4.21 g of a nonelectrolyte solute is dissolved in water to make 805 mL of so...

A: As units of osmotic pressure is torr, so we use value of gas constant(R) having pressure in torr. Fo...

Q: .CI 1) AICI, 2) H,0 1) PPh, 2) BuLi Br 3) OH excess PCC HO.

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Q: For a dº electronic configuration, which is the correcting ordering of atomic state energies? * O 3F...

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Q: What product would be formed, if the starting material SM reacts with the hydrochloric acid?Name and...

A: When base is added into acid first acid base reaction takes place

Q: A student combined Ba (s) and HCl (aq).  The student observed bubbling, thus a reaction occurred. 1...

A: Write the balanced molecular equation  Split electrolytes to their corresponding ions to achieve com...

Q: Find the empirical formula of the following compounds: Compound made of a. 0.039 mol of iron atoms c...

A: Given :-  a) no. of moles of iron atoms = 0.039 mol  no. of moles of O atoms = 0.052 mol  b) Mass of...

Q: Find the empirical formula of the following compounds: Compound made of a. 0.039 mol of iron atoms c...

A: Given :  a) no. of moles of iron atoms = 0.039 mol  no. of moles of oxygen atoms = 0.052 mol  b) mas...

Q: Determine the pH of a buffer that is 0.95 M HBRO and 0.68 M KBRO. The value of pKa for HBRO is 8.68....

A: Given, [HBrO] = 0.95 M              [KBrO] = [BrO-] = 0.68 M               pKa= 8.68  Here we know p...

Q: n analysis of Zn2+ in food sample by atomic absorption spectroscopy gave a calibration curve of A =...

A: Limit of detection  LOD =3.3×Standard deviationSlope of Caliberation curve

Q: (a) Which has the smaller fourth ionization energy, Sn or Sb? (b) Which has the larger sixth ionizat...

A: Ionisation energy is of energy required to remove an electron from the valence shell of an isolated ...

Q: (a) What visual changes will you see at equilibrium? (b) What is occurring at the molecular level? (...

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Q: Which is not a strong acid?    a. HBr          b. HI c. HNO2 d.  HClO3

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Q: Consider the equilibrium between C6H5CH2OH, C6H5CHO and H2. C6H5CH2OH(g) C6H5CHO(g) + H2(g)       K...

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Q: What is the name of product A ,Name and illustrate the effect that stabilizes Product A

A: The above mentioned question is explained below:

Q: possible conformations of 2,2-dibromobutane. Name all the conformations determine which one of them ...

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Q: Balanace the following equation: ___AgCl + ___Pb(NO3)2 -> ___AgNO3 + ___PbCl2

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both...

Q: there is a set of absorbance data that you have obtained while doing an experiment studying the diff...

A: A question based on quantitative analysis, which is to be accomplished.

Q: Among the substances that react with oxygen and that have been considered as potential rocket fuels ...

A: Standard enthalpy change is defined as the heat absorbed or released by the system during chemical o...

Q: wnich of the following is an exampie Of precipitare reaction? ° The reaction between barium hydroxle...

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Q: For the following equation, identify all ions as spectator ions or not spectator ions: 2KCl(aq) + Pb...

A: Given the following equation, 2KCl(aq) + Pb(ClO4)2 (aq) -> 2KClO4+ PbCl2(s) We have to identify a...

Q: If 2400 J of heat melts a piece of solid mercury, what is the mass of the mercury

A: The heat required to melt a substance is calculated as: Q =m.Lf where Q is the heat required to melt...

Q: The equilibrium constant, K, for the following reaction is 3.92×10-2 at 531 K. PCl5(g) PCl3(g) + Cl2...

A: [PCl5] = 0.120 M [PCl3] = 0.0687 M  or  6.87 x 10-2 M [Cl2] = 0.0687 M  or  6.87 x 10-2 M

Q: Please draw the mechanism for this transformation using curved arrows. CI Na OCH3 CH;OH

A: This type of reaction called Favorsky Rearrangement.

Q: A sample of krypton gas collected at a pressure of 0.800 atm and a temperature of 285 K is found to ...

A: Given Volume=811 ml = 0.811 L Pressure= 0.8 atm Temperature = 285 K

Q: An oxide of iron found in many iron ores, contains 27.9 g of iron and 8.00 g of oxygen. What is the ...

A: Given data is as follows: The mass of iron = 27.9 g The mass of Oxygen = 8.00 g The empirical formul...

Q: NAOH Product B Product A H SM

A: In presence of strong base, base takes up the most acidic proton and forms conjugate base. This conj...

Q: 14) A 0.00125 g sample of unknown hydrocarbon is prepared for combustion analysis. After the hydroca...

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Q: The pOH of an aqueous solution of 0.528 M hypochlorous acid is

A: Given :-  concentration of hypochlorous acid = 0.528 M  To calculate :-  pOH of solution    pH + pOH...

Q: Carbon occurs in two forms, graphite and diamond. The enthalpy of the combustion of graphite is -393...

A: given,  1) combustion of graphite C (graphite) + O2(g) → CO2(g) ,   ΔH1 = -393.5 KJ     -1 2) combus...

Q: 6. Methane (CH,): greenhouse gas involved in regulating Earth's temperature and a by-product of deco...

A: Yyy

Q: 19) Which molecule has a molecular mass of 28.05 amu? H-C A) B) H-CEC-H 20) Determine the molecular ...

A: The mass of a molecule of a compound is known as molecular mass  The molecular mass is the sum of at...

Q: Which of the following is false for sacrificial anodes? A: Magnesium anodes are preferred for highly...

A: Bbb

Q: 9.86 J of heat, upon which the temperature of the sample increases from 23.2 °C to 30.5 °C. Since t...

A: Let 'm' is the mass of the sample of aluminium metal.

Q: 15. Write a Claim/Evidence/Reasoning response to answer the question: What state of matter would you...

A: Since you asked specific question so as per Q&A guidelines of portal I solve question no .15 for...

Q: An aqueous solution of hydroiodic acid is standardized by titration with a 0.146 M solution of bariu...

A: Given, volume of barium hydroxide = 20.2 mL =  ( 20.2 mL × 1 L/1000mL) = 0.0202 L molarity of barium...

Q: Formula for drug Liptor is C33 H35 Fn2 O5 look at the number of Hs assuming that number is the same...

A: The chemical formula of a substance provides information about the different atoms that reside in th...

Q: Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? T...

A: Given that -  NH4HS(s) ---> NH3(g) + H2S(g)    Kc = 1.80×10-4 at 298 K  Moles of NH4HS = 5.52×10-...

Q: The pH of a solution of Ba(OH)2 is 10.95 at 25 °C. a What is the hydroxide ion concentration in the ...

A: Given  PH of a Ba(OH)2 solution =  10.95 Hydroxide ion concentration = ?  

Q: Methane is the main component of natural gas. Using the given reaction enthalpy, calculate the heat ...

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Q: Show what alcohol and carbonyl give the following derivative. Write a detailed mechanism for the aci...

A: Protection of carbonyl compound is done in presence of alcohol and dry H+ . During the reaction acet...

Q: half-reaction

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Q: Calculate the atomic mass of each of the following elements using the given data for the percentage ...

A: The atomic mass of each element can be determined by using the formula given below as; Average atomi...

Q: This series demonstrates a drop-by-drop addition of 0.5 M barium chloride solution (???? ) to 0.5 M ...

A: Given, same concentration (0.5M) of BaCl2 and Na2CO3 reacts to produce product.  All species present...