hich of the following describes an electrolytic cell?     The chemical reaction is spontaneous     An external source of energy drives the reaction to occur.     The half-cells are placed in separate containers.     The energy is transformed from chemical to electrical energy.

Q: QUESTION 4 Which of the following compounds cannot hydrogen bond? O CH3NH2 OCH3CH(OH)CH3 O (CH3CH2CH...

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Q: 5) Identify which of the following reactions are unfavorable and explain why: A) B) C) D) :o: CH3 +

A: In nucleophilic substitution reaction, Nucleophile has to attack to the electrophilic centre . Here ...

Q: The piperazine content of an impure commercial material can be determined by precipitating and weigh...

A: Given the mass of the sample containing piperazine = 0.3126 g  Balanced equation for the reaction of...

Q: 3-38 Give IUPAC names for the following compounds: (a) CH3 (b) CH3 (c) H3C CH3 CH3CHCH2CH2CH3 CH3CH2...

A: According to IUPAC nomenclature first we have to select the longest chain of hydrocarbon which conta...

Q: Gaseous methane (CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,) an...

A: Given : Mass of CH4 = 0.96 g Mass of O2 = 7.53 g  To calculate :-  Mass of H2O (in grams)

Q: In the presence of excess thiocyanate ion, SCN-, the following reaction is first order in iron(III)...

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Q: What is the pH of a solution that has a hydrogen ion concentration of  1.6×10−8 M ?

A: Given :- hydrogen ion concentration i.e. [H+] = 1.6 × 10-8 M  To determine :- pH of solution

Q: Consider the following reaction: 2 H20(g) + 2 SO2lg)=2 H2S(g) + 3 O2(3) A reaction mixture initially...

A: The exact answer to the question is given below

Q: The distance between two atoms in a molecule is 148 pm. What is this distance in centimeters?

A: we know, 1 picometer(pm) = 10-12 meter(m) distance ( in m) = 148 pm  × 10-12 m / 1 pm = 148  × 10-12...

Q: grams

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Q: C - Br

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Q: Which of the following can be classified as buffer solutions? (Select all that apply.) O0.50 M HOCI ...

A: A buffer solution is a solution that can maintain its pH even after the addition of small strong aci...

Q: Methanol (CH3OH) burns in air according to the equation 2CH3OH + 302 2CO2 + 4H20 If 189 g of methano...

A: Given : Mass of methanol = 189g

Q: Sample: Soditum AcetateM 9.65 pH (obtained by pH meter) = Reaction needed to predict pH: Equilibrium...

A: Sodium acetate is a salt of weak acid, acetic acid and strong base, sodium hydroxide. The concentrat...

Q: 1. 2 H:O(1) + 2 SO:(g) -> 2 H:S(g)+ 3 0:(g) DETERMINE IF ENTROPY IS POSITIVE (DECREASE IN ORDER; INC...

A: Answer: Activation energy is the minimum energy that the reactant particles required to form the pro...

Q: ct a plausible transition st

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Q: How many number of particles are in 5.0 g of table sugar?

A: Given, The number of particles are in 5.0 g of table sugar is:

Q: behind the paper, eral Problems For each of the following compounds, draw an isomer that has the sam...

A:   Isomerism :  The compounds which are having same molecular formula but differ in their properties ...

Q: Question 27 of 27 > H -H- H. Answer Bank nonpolar polar H- -F: :CI Be -CI: H. Which of the molecules...

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Q: A 140.0 g sample of water at 25.0C is mixed with 114.0 g of a certain metal at 100.0 °C. After therm...

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Q: A. Dilution of Stock Solution Concentration of STOCK solution you prepared (M) 0.8 Volume of STOCK s...

A: Introduction: This can be calculated from the equivalence formula, V1S1 = V2S2 (V and S are the volu...

Q: A block of lead has dimensions of 4.5 cm by 5.2 cm by 6 cm. The block weighs 1587 g. From this infor...

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Q: When is the fugacity equal to the partial pressure of a gas? O Fugacity is equal to partial pressure...

A: Given : We have to explain whether fugacity is equal to partial pressure of gas.

Q: What is the purpose of the salt bridge in an electrochemical cell? To maintain electroneutrality To ...

A: Given : We have to tell the purpose of salt bridge in an electrochemical cell.

Q: Question 17 The standard cell potential for the reaction at 298.15 K: Fe (s) + Zn2* (aq) = Fe2* (aq)...

A: This is a redox reaction where Zn2+ reduced to Zn and Fe oxidised to Fe2+.  At anode,  Fe = Fe2+ + 2...

Q: Storage of different substances at home needs careful attention. Alcohol, acetone, and hair sprays, ...

A: Volatile compounds are those compounds which changes into vapour state. Alcohol, acetone, hair spray...

Q: The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. One of the...

A: Given, The average atomic weight of copper  is 63.5. One of the isotopes has an atomic weight of 62....

Q: A 12.g of methyl tert-butyl ether compound (contains C, H and O) was burned in an apparatus  and 30....

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Q: What is the Molar concentration of a 5.10% sodium hypochlorite solution (density 1.0g/mL)’ …Not sure...

A: Given that, a 5.10% sodium hypochlorite solution. The density is d = 1.0g/mL. The molar mass of sodi...

Q: 2. Molecule #2 a)What Group? (Carb, Lipid, Protein, or Nucleic Acid). b)Within the group, how would ...

A: Carbohydrates: Carbohydrates are macromolecules with the general molecular formula  CnH2nOn.  The mo...

Q: Materials and detailed methods:  paragraph or two explain how the experiment was done  Raw Data: W...

A: Diels -Alder reaction takes place in reactions between conjugated diene and an alkene. In this react...

Q: The skeleton of acetic acid is shown. Complete the structure by adding bonds and nonbonding electron...

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Q: 1. Identify each of the following as a strong electrolyte, weak electrolyte, or non-electrolyte. (Hi...

A: 1)  We would first look at the definitions of strong , weak and non electrolyte.      Note : As you ...

Q: At 2000 °C, N2(g) + O2(g)  2 NO(g); Kc = 4.10 x 10-4 What is Kp for this reaction?

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Q: Look at the following Lewis Dot Structure: 2- :S:

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Q: Consider the reaction A+B+CD The order of the reaction with respect to each reactant is given below:...

A: Given the order of the reaction with respect to A, B and C are respectively 1, 1, and 0.  Hence the ...

Q: Name Haley oyle 20yle Sec. QUESTIONS 1. Why must the Erlenmyer flask and graduated cylinder be dried...

A: The answer are as follows:  

Q: Question 27 of 39 Submit What is the correct IUPAC name for the compound shown here? 2,2,6,6-2,2,6,6...

A: When we writing iupac name First we locate longest carbon chain in compound then identify group atta...

Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of ...

A: All atoms of all elements and charges should be balanced in a balanced chemical reaction.

Q: What is the cell potential for the following reaction at 25 °C? NI(s) • Cu2*(0.010 M) -- N2*(0.0010 ...

A: Answer: Nernst equation will be used over here to calculate the cell potential.

Q: Please answer just the question number 2. (not 1. and 3.).

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Q: How much heat is involved when an 100 g ice at 0 °C is heated to 80 °C? Specific heat of ice is 0.5 ...

A: Given data - - > mass (m) = 100 g Specific heat (C) = 0.5 cal/g °C Initial temperature (T1) = 0°C...

Q: Acetic acid (CH3COOH, ?a=1.80×10−5) is a weak acid, so the salt sodium acetate (CH3COONa) acts as a ...

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Q: Which type of hydrocarbon is represented by this structure? H. H. H. H. Select the correct answer be...

A: ANS. aromatic hydrocarbon

Q: :ö: etermine the number of shared and unshared electrons in the structure. hared (bonding) electrons...

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Q: 1. Catalyst in a living organism is referred as: A. Catalytic Converter В. Масгomolecule C. Biomolec...

A: 1) Catalysts of living organisms.  

Q: Was there any physical change in the characteristics of trichloroethane when it was added to water?

A: Trichloroethane is micible in water. When it is added to water there is no any physical change.

Q: The hydroxide ion concentration, [OH-], of an aqueous solution of 0.406 M ammonia is ______ M. The ...

A: 1.                                                   NH3 (aq)   +   H2O (l)  ⇌  NH4+ (aq)   +   OH- ...

Q: At 2000 °C, N2(g) + O2(g) - 2 NO(g); Kc = 4.10 x 104 What is Kp for this reaction?

A: The relationship between Kp and Kc is given by the relation ;   Kp = Kc (RT)∆ng. ∆ng = stoichiometry...

Q: When CH3COOH(ℓ) is dissolved in water, what covalent bonds break?

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