To get electrical energy from an Galvanic cell the emf should ans. Positive None Zero Negative

Q: Which of the following is considered as IR active? O Symmetric Molecule O homonuclear diatomic group...

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Q: What is the molarity of a solution of H2SO4  if 25 mL of this solution requires 32.15 mL of a 0.600 ...

A:

Q: A solution was prepared by mixing benzene (C6 H6 ) and carbon tetrachloride (CCL4 ). Given that the ...

A: Given that, Mole fraction of benzene= 0.0852 Moles of C6H6= 0.690 mol  Moles of CCl4= ?

Q: Calculate the maximum work that can be obtained from the Daniell cell Zn/Zn 2* (aq)// Cu2+/ Cu given...

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Q: A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz)...

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Q: Solve the standard entalphies of the following and determine wether the reaction is endothermic or e...

A: 2NH3(g) + 3N2O(g) -----> 4N2(g) + 3H2O(l) CaCO3(s) -------> CaO(s) + CO2(g)  C(graphite) + O2(...

Q: The density of mercury is 13.6 g/cm³. What us the mass of 6.50³ of mercury?

A: Given, density of mercury = 13.6g/cm3 volume of mercury = 6.50 cm3 mass = to be find out

Q: Determine Z and V for steam (H2O) at 250 °C (523.15 K) and 1800 kPa by the following: Ideal gas equa...

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Q: Ehylene oxide, C2H4O, decomposes when heated to give methane and carbon monoxide.   C2H4O(g)  →  C...

A: Given , reaction : C2H4O(g) → CH4(g) +CO(g) Temperature , T = 688 k

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A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: In the compound below, which specific atom is most likely to get attacked by nucleophiles? Use the n...

A: Nucleophiles are electron rich compounds.

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A: Here is what we think about. 8 drops of food dye require 8 mL bleach, and if it takes 15 minutes, 8 ...

Q: 3 protons, 3 neutrons, 3 electrons 2 protons, 1 neutron, 1 electron 7 protons, 7 neutrons, 9 electro...

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Q: j) k) 1) cyclohexyl methyl ketone to 2-cyclohexyl-1-bromoethane ethanol to 1-bromobutane (using only...

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Q: Prepare a glucose solution (mm=180.16 g/mol) using the described procedure: 1. Dissolve 216.5 g of ...

A: 1. Definition: Molarity is a concentration term for a solution. The molarity of a given solution is ...

Q: Which best describes why carbocation formation is the rate determining step of a unimolecular substi...

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Q: Which of the following statements is NOT true about Fermi Resonance? O t results from coupling of a ...

A: When fundamental vibration couple with overtones formed Fermi resonance . Due to this coupling the e...

Q: OH OH (b)

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Q: Which of the following statements is NOT true about Fermi Resonance? O It results from coupling of a...

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

Q: Convert the following into moles if they have 25.5 g of the ff: a. Zinc, b. CuCl2 c. KSO4

A: The relation between mass and number of moles of any substance is given by tge relation - Mole = mas...

Q: Consider the synthesis of ammonia: N(g)+ 3H, (g) 2NH, (g) 1st attempt At 781.2 °C, the equilibrium c...

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Q: Draw the 2D and the 3D Lewis structure for each molecule. You do not need to show resonance structur...

A:  Lewis structure  -               It is simplify  representation  of valance shell electrons in mole...

Q: several brands of antiacids use aluminun hydroxide to reat with stomach acid (which is primarily hyd...

A: Guven, aluminun hydroxide to reat with stomach acid (which is primarily hydrochoric acid) The produc...

Q: 5,6-dihydroxy-bicyclo[2.2.2]octane-2-carboxylic acid methyl ester Plan your synthesis. What are the ...

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Q: How to calculate the number of moles of hydrogen in 15.0 moles of C2H6O?

A: • The values provided in the question are:-  i) Number of moles of C2H6O = 15.0 mol   

Q: Part I. Identify the functional groups present in the given molecules:

A: The identification of functional groups shown below

Q: 4) During World War II, tritium (H) was a component of fluorescent watch dials and hands. Assume you...

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Q: The solute like component of a colloid

A: The size of the particles between 1nm - 1000nm in solution is generally called as colloidal solution...

Q: Rank the alkyl halides in the following group in order of increasing SN2 reactivity. Br А: Br В: С: ...

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Q: Which of the following trends is arranged in increasing wavenumber? form left to right! O C-H - C-O ...

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Q: What is halide ion? Uses

A: Halide ion is a category of ions in periodic table. 

Q: ER SINGH Screen. 1 Group- A An electron is allowed to move freely in a closed cube shaped box of sid...

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Q: Give the major organic product(s) for each of the following reactions. Write NR if a reaction will n...

A: Amide and acyl chloride are electrophilic in nature and undergo nucleophilic addition reaction 

Q: A) What pH should the solvent system be to perform TLC on a sample suspected of containing noscapine...

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Q: ~60°C trial ~50°C trial ~40°C trial ~30°C trial ~20°C trial Vol. of HCl used (mL) 19.87 12.93 12.37 ...

A: The solution of the question is given below: 

Q: Change of litmus paper from blue to red

A: This is a multiparts question.According to the guidelines, in multiparts question, we can solve only...

Q: 3 Si + 2 N2 → Si3N4  When 21.44 moles of Si reacts with 17.62 moles of N2, how many grams of Si3N4 a...

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Q: a. Which glycogen metabolism enzyme has an intermediate of the form presented below CH,OPO, H OH H O...

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Q: QUESTION 14 What is the geometry relative to the O atom in the Lewis structure below? H. H. H-C- C-H...

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Q: 2. Predict whether the following pairs of liquids would be miscible or immiscible: a. Water and meth...

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Q: QUESTION 9 An energy bar contains approximately 16.7 grams of protein. Given that the energy content...

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Q: How to calculate the mass of 2.7 x 1024 molecules of sugar C12H22O11?

A: Molar mass of C12H22O11 = ( 12 ×12) + (22×1) + (11×16)                                           = 3...

Q: Consider the bilowin 500 K. PCI5 (g) PCI3 (g) + Cl2 (g) When 0.24 moles of PCI5 (g) are added to the...

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Q: What is the the concentration of copper and cobalt in mM?

A: The data given is,  

Q: 1. Give the structures of the products obtained when the following are heated: Ph Me OMe b. a. O2N P...

A: pericyclic reactions

Q: Predict and identify the reactants of the following products. Draw

A:   Alkenes upon ozonolysis gives carbonyl compounds In ozonolysis first ozonide is formed Carbonyl c...

Q: lucidate the bonding of the following complexes according to the valence-bond eory approach: ) [Ni(N...

A: Valence -bond theory :-  a) [Ni(NO2)4]-2 b) [Cr(CO)6]+3

Q: Elements in the same period • A. have the same number of protons. B. have the same principal quantum...

A: Choose the correct option---

Q: O CE C - C=C - C-C

A: In this question we have to explain the trends is arrangement in increasing wave number from left to...

Q: What happens to a strong acid in solution? OIt completely ionizes in solution to produce many OH- io...

A: Acids are those substances which produce H+ ions in aqueous solution.  Bases are those substances wh...