positron emission of E 76 35 Br neutron emission of xe 131y 54Xe

Q: Calculate E°cell for the following reaction at 25 °C anc at a pH = 5.8. %3D 103 (aq) + 1-(aq) →…

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Q: 10. A solution of nitrous acid has a pH of 2.10. What is the concentration of nitrous acid in this…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Phosgene (COCl2) is used in the manufacture of foam rubber and bulletproof glass. It is formed from…

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Q: What is the expected pH of an aqueous solution consisting 150.0 mL 0.2500 M HBr04 mixed with 150.0…

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Q: Give a clear handwritten answer

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Q: In Lieberman's Test, what will you be observing when you add water, sodium nitrite and concentrated…

A: Leiberman's test is used to detect the presence of phenolic group in a compound.

Q: What is the binding energy in kJ/mol nucleons for antimony-121? kJ/mol nucleons 51 H+ 70;n-→ Sb The…

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Q: Which of the following compounds when dissolved in H,0 will produce the most acidic 1.0 M solution?…

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Q: How to prepare 0.10M of sodium thiosulphate

A: Given that molarity of sodium thiosulphate (Na2S2O3)is 0.10 M Molar mass of Na2S2O3 is 158.11 g/mol

Q: 3. The maximum buffering capacity is nearest to the pka of the buffer. Explain why?

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Q: Which species in the following reaction specifically acts as a Lewis acid?    CuSO4(aq) + 4NH3(aq)…

A: Lewis acid is a species which accepts electrons and lewis base is a species which donates electrons.…

Q: What is the pH of an aqueous solution made by mixing 100.mL 0.500 M NAOH and 100.mL 0.400 m KOH?…

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Q: What is the atomic mass of oxygen-17 (16.9991 amu) at 0.038%

A: Using the formula We can easily get the answer

Q: The decomposition of ammonia on a platinum surface at 856 °C NH3 1/2 N2 + 3/2 H2 is zero order in…

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Q: 1. Give the major product(s) of the following reactions as needed. но PCC. 1. но OH 2. Jones OH OH…

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Q: Complete the following table, which lists information about the measured acid dissociation constants…

A: Acidic strength of acid is inversely proportional to pka value

Q: lonic compounds and organic compounds usually undergo spontaneous chemical reactions, depending on…

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Q: Using a skeletal structure, give the structure corresponding to the name (s)-3-iodo-2-methylnonane.

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Q: 5. Consider the reaction between sulfur dioxide and oxygen gas to form sulfur trioxide which has a…

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Q: Which enol will undergo tautomerization most slowly? A B OH Ме. Me Но- Ме Ме Me O A O B ос

A: 1) The enol that will undergo tautomerization most slowly is

Q: A 30.0 g sample of chromium is heated to 100.0 °C in a boiling water bath. The sample is added to a…

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Q: Enter your answer in the provided box. If 0.10 mol of ammonium chloride (NH,C) is dissolved in a…

A: Given that, the amount of heat is Q = -6.9×102 cal. The mass of the solution is m = 1.39×102 g, The…

Q: A chemist needs to make a buffer at a pH of 4.5. 600 mL of 60MM acid is prepared. pka of acid=4.81…

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Q: Draw and label the following planes. Also label intersection points on the axes. Example for (301)…

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Q: Consider the following equilibrium: 2NOCI (e) -– 2NO (2) ► CI, (e) AG-41. Now suppose a reaction…

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Q: CH3

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Q: When 22.0 mL of a 6.90×10-4 M magnesium sulfate solution is combined with 15.0 mL of a 3.89×10-4 M…

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Q: 4 mol HB and 2 mol NaOH is added to 2 L water. Calculate the pH of the solution. Express your answer…

A: Given-> Moles of HB = 4 mole Moles of NaOH = 2 mole Volume = 2 L pKa(HB) = 7.11

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Q: OF2 expressed as an Integer?

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Q: what lyfe of intermate force caduses वৈळ चेर लोका की टवहा in waterņ Explaim A) ion- dipole force B)…

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A: ->Acidic hydrolysis of alkyne produce ketone but acidic hydrolysis of alkene produces alcohol.

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Q: Which of the following molecules would be the least polarizable? O CH3CH3 O SİH3SIH2SİH3 O SİH3SIH3…

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Q: The pK, of hypochlorous acid is 7.530. A 56.0 mL solution of 0.121 M sodium hypochlorite (NaOCI) is…

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Q: What is the resulting pH of mixing 50.0 ml 0.0500 M NH4Cl (aq) with 10.0 ml 0.0500 M HNO3(aq)? If…

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Q: Which of the following statements is FALSE? Ni(s) → Ni2+ + 2 e− Group of answer choices The…

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Q: What is the formal charge of N in NO3"?

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Q: I. (a) Determine the metal-metal bond order consistent with the 18-electron rule for the following :…

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Q: 11. Which of the following is the phase diagram of water-nicotine system? TIK Vpour Composton of one…

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Q: What is the equilibrium law for the reaction 4 NH3(S) + 3 02ls) 6 H20(g) +2 N2(g) in terms of…

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Q: A 30 mL of 0.1 M CH3NH2 (kb = 4.8 × 10-4) is titrated with 0.1 M HCl. Calculate the pH after the…

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Q: What is the binding energy in kJ/mol N for nitrogen-14? kJ/mol 7H+ 7,n'GN The required masses…

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Q: The formation of Br2 from Br- was done by electrolyzing 1.0 M KBr solution between two Pt…

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Group 14 Elements

The following elements come under group 14 of the periodic table.