4. Which of the following does not show a proper part: purpose correlation in a voltaic cell? O Voltmeter electron source O Anode electrode where oxidation occurs O External wire serves as path for the transfer of electrons O Salt bridge maintains electrical neutrality of the electrolyte solutions

Q: Determined if the molecule is achiral or chiral

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Q: If during a chemical reaction, carbon changes from an oxidation num- ber of +2 to -2, what happened…

A: We are given that oxidation state of carbon in a reaction changes from +2 to -2.

Q: Express the following absorbance in terms of percent transmittance  a) 0.0356 b) 0.895 c) 0.379

A: Express the following absorbance in terms of percent transmittance of the given--

Q: CaH What is the oxidation number of hydrogen in a compound of 2? A -1 B0 C +1 D +2

A: Here, we have to calculate the oxidation number of hydrogen in a compound of CaH2.

Q: 20. Calculate the percent composition of Na in borax, Na2B2O7, used in commercial laundry processes.…

A: Given that -  Borax, Na2B2O7, used in commercial laundry processes    The atomic masses of different…

Q: 2. For the following reactions Identify 2Fe²+ + H₂O₂ + 2H+ → 2Fe³+ + 2H₂O a) The atom or ion that is…

A: 2. Recall the given reaction,                            2 Fe2+  +  H2O2  +  2 H+  →  2 Fe3+  +  2…

Q: Given the reaction mechanism shown below Step 1 Ce4+ + Mn2+ → Ce³+ + Mn³+ Step 2 Ce4+ + Mn³+ → Ce³+…

A:

Q: Consider the reaction: AB(g) → B(g) +A(g) with the rate law Rate = K[AB]2 and the rate constant k =…

A: Given-> k = 5.0 × 10-2 M-1.s-1 [AB] = 2.0 M

Q: Indicate which substance in the given pairs has the higher entropy value. Explain your choices. a.…

A:

Q: During dilution process, what do you do if you add a bit too much solvent when filling the…

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Q: ces Experimental data for the density of n-pentane liquid for high pressures, at 50°C, are listed as…

A:

Q: Desribe the reaction product. (q) CI ОН ОН (r) (s) 1 H ОН ОН

A:

Q: 3. Consider the following unbalanced half reactions, all four reactions occurring in acidic…

A: Firstly find the oxidation number of each species to find which species is undergoing oxidation and…

Q: CO + 1205 solution Your answer CO2 + 12 in basic

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Q: (26) When plutonium-239 is bombarded with a neutron, it produces xenon-137, zirconium-95, and…

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Q: (1.6) Which of the following is an example of intensive properties? O mass O melting point O None of…

A:

Q: How can you use quantitative chemistry and reaction dynamics to explain and optimize industrial…

A: Quantitative Chemistry - It is a branch of the chemistry that deals with the chemical reaction or…

Q: How many moles of THC are present in a sample containing 4.20x1019 molecules

A:

Q: ) Write an equation for the combustion of 1 mol of pentane gas, C5H12(g), to form carbon dioxide gas…

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Q: tetrahedral trigonal planar pyramidal bent linear HO H Ö: COH H

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Q: (13) What is the total binding energy of a scandium-45 atom? The mass of the atom is 44.95591 amu.…

A: Given: The mass of the scandium-45 = 44.95591 amu We have to calculate the total binding energy of a…

Q: Given the reaction mechanism shown below Step 1 Ce4+ + Mn2+ → 3+ Ce³+ + Mn³+ 3+ Step 2 Ce4+ + Mn³+ →…

A:

Q: Be sure to answer all parts. Agas expands from 265 mL to 948 mL at a constant temperature. Calculate…

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Q: When fermentable carbohydrates are left in the mouth, bacteria in the mouth produce an acid with a…

A: The formula of hydronium ion is H3O+. pH is the negative log of hydronium ion concentration. The…

Q: Is the formation of ozone [O3 (g)] from oxygen [O₂ (g)] spontaneous at room temperature under…

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Q: (3.9)Calculate the percent composition of sulfur in aluminum sulfate, Al2(SO4)3. O 28.1% 17.7% O…

A:

Q: How many stereogenic carbon/s is/are present in the molecule?

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Q: Show your complete and detailed solution. Make sure to include the given and the formula.  How many…

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Q: 011/1 H 0 $11 Br H

A:

Q: 5. Calculate the number of molecules in 5.00 mol of NH3. A. 3.01 x 1024 molecules of NH3 B. 1.03 x…

A: Given,  Moles of NH3 = 5.00 mol.  The number of molecules of NH3 in 5.00 mole of NH3 is:

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Q: Determine the entropy change for the combustion of gaseous propane, C3Hg, under the standard…

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Q: 2. N2(g) + 3H2(g) 2NH3(g) = At 375°C, the equilibrium constant of the reaction is 2 79 x 10-5 a.…

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Q: Nitric acid (HNO3) and potassium hydroxide (KOH) react to form water and aqueous potassium nitrate…

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Q: Which pair of ions will form a compound of formula M2X?

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Q: In a solution at 25oC, 5.25 g of sodium hydroxide, NaOH(s), is added to enough water to create a…

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Q: If it is known that the absorbance value of the afternoon band (320 nm) measured every t for the…

A: the plot of absorbance vs. time is as below-

Q: A certain reaction has ∆?°= -19.5KJ and ∆S°= 42.7 J/K, is the reaction exothermic or endothermic?

A:

Q: Complete the synthesis by selecting the reagents necessary for the final transformation shown. ? H-…

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Q: (16) Consider the following redox reaction that occurs in an electrochemical cell: Fe²+ (aq) + Al(s)…

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Q: f HCIO with water is 30+ (a + CIO (aq) (aq) 8. If the initial [HCIO} is 0.100 M, what is the

A:

Q: B. What are the effects of adding elements (Ni. Cr, Si and S) on steel?

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Q: Determined if the molecule is achiral or chiral

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Q: C6 H 1206 is the chemical formula for a polymer of carbohydrate pentose monosaccharide hexose…

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A: Potassium bromide is a salt, which completely dissociate into ions in water as,  KBr (s) → K+ (aq) +…

Q: . Draw the most stable conformations for:   a)1-methyl-1-propylcyclohexane…

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Q: 63. Describe what a solubility constant (or solubility product) is. How does the solubility of a…

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Q: A chemist carries out an experiment to determine the number of moles of Cl– ions in a 1 L sample of…

A:

Q: The reaction 2 NO(g) + Cl₂(g) → 2 NOCI(g) has the following rate table: Initial Rate [NO]o (mol/L)…

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Q: Consider the reaction S₂Cl₂(1) + CCl4(g) = CS₂(g) + 3Cl₂(g), AH° = + 84.3 kJ. Which of the changes…

A: Given reaction: S2Cl2(l) + CCl4(g) ⇌ CS2(g) + 3Cl2(g) ∆H∘ = +84.3 kJ We have to find the changes…