Chemistry Question

Q: What is E°cell for the following reaction? Is this reaction spontaneous under standard conditions? C...

A: Given :  Cu+2(aq) + 2e- -----> Cu(s)    E° = 0.34 V  Sn+4(aq) + 2e- -------> Sn+2(aq)  E° = 0....

Q: Calculate the pH of each solution that is buffered. (a) 0.100 L of 0.25 M NH4Cl + 0.050 L of 0.25 M...

A: In the above question Kb of NH3 is not given so the standard  value of Kb of NH3 is 1.8 x 10-5 which...

Q: Discuss the spontaneity of each process in the following scenarios, based on the use of the Gibbs fr...

A: When ∆G is negative reaction is said to be spontaneous.

Q: Study the Lewis structure of a generic amino acid shown below. Identify the part of a generic amino ...

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Q: Molten ScCl3 can be electrolyzed to form metallic Sc. For what duration should an electrolysis be pe...

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Q: Write the condensed structural formula for the following organic compound. a. 3 methyl hexane b. 1, ...

A: For naming select the longest hydrocarbon chain containing functional groups and substituents and do...

Q: e jodard anoitouts Help Review Canstants Periodic Table For a certain chemical reaction. A H --35,8...

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Q: A galvanic cell can be prepared from copper and tin. Which of the following statements is true? Cu2*...

A: Given reduction potential :-  Cu2+(aq) + 2e  --->  Cu(s)    E° = 0.34 V  Sn2+(aq) + 2e   ---> ...

Q: Carbon-14 has a half-life of 5730 yr. A living organism has an activity of 15.2 counts per minute (c...

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Q: 30. Recognize from the following solutions that is a strong base. O A. Sodium fluoride, NaF B. Bariu...

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Q: Classify each of the following as a COMPOUND or an ELEMĖNT: argon gas (Ar) salt (NaCI) 1. Compound c...

A: Element are the substance that are composed of a single atom while compound are the substance that a...

Q: Calculate for the binding ehergy in VMev per hucieon of Hg If the actual mass of the atom IS 198.968...

A: An atom consist of proton and neutron and electron

Q: A balloon has a volume of 7 L when sitting inside a warm building at 30.°C. When the balloon is take...

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Q: Show the step-wise mechanism of the following radical reaction, indicate major product if one is pre...

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Q: What mass of O2 in grams can be produced when 250.0 kJ of heat was supplied? (MM O2 = 32.00 g/mol) ...

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Q: At 1527°C, the Kp for a hypothetical dissociation reaction below is 1.70 x10-3 AB5(g) ⇌  AB3(g)  + ...

A: The given equilibrium reaction is as follows: AB5(g) ⇌ AB3g + B2(g) The initial pressure of AB5 = 4....

Q: O fnd pint gooup y 2- O soj O s0 3 O find pint goeaup af pint goeonp af 2- O find pint googe y purf

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Q: Balance the following reactions by half reaction method 1) Sn(OH) 4 -2 + MnO 4 -1 =>MnO 2 + Sn(OH) 6...

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Q: H-Q H-O

A: Chromic acid is an oxidizing  agent which convert secondary alcohol to 

Q: Write a balanced nuclear equation for the following: The nuclide magnesium-20 decays to sodium-20 by...

A: Mg-20 forms Na-20 after positron emission. The mass of Mg and Na remain the same but the atomic numb...

Q: 0.00200 M HClO4 find equilibrium molar concentration of H3O+, equilibrium molar concentration of Cl...

A: HClO4 is strong acid and dissociated completely in water and produces equal amount of H3O+ and ClO4^...

Q: Identify the isotopic ion, parent ion, and the most and least stable ion in the mass spectrum shown ...

A: II = parent ion, I= isotopic ion, IV = base peak (most stable ion), III = least stable ion. V = mode...

Q: Which of the following is are true about heat of reaction? The heat of reaction is utilized for cal...

A: Heat of reaction is given by, The heat of reaction can be utilized for calculating the number of en...

Q: Beie Cacatantea e equilibrium constant. K. of a reaction at a particular temperature is determined b...

A: The solution is as follows:  

Q: Calculate the molar solubility of Ag2S (Ksp = 8×10–51)         Ag2S  ⇌  2 Ag+ + S2-

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Q: strong acid CH3COOH weak acid HCN strong base Ba(CIO4)2 weak base HCIO soluble salt NH3 insoluble sa...

A: A question based on general chemistry that is to be accomplished.

Q: Calculate for the binding energy in MeV per nucleon of 199 Hg if the actual mass of the atom is 198....

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Q: You are a chemist working for a pharmaceutical company that produces a wide range of vitamin product...

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Q: The Products of the reaction of L-glucose with the following L-glucose [1] NH2NH4 [2] Ac20,NaOAc [3]...

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Q: A system releases 925 J of energy to the surroundings as heat while 211 J of work was done on the sy...

A: Consider the given information is as follows; Q (heat releases to the surrounding) = -925 J      Wor...

Q: What chemical test can differentiate these two organic compounds? OH ОН and Tollens' test Lucas Test...

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Q: A sample of gas was compressed from a volume of 1.50 L to 0.450 L against a constant pressure of 2.2...

A:   Initial volume = V1 = 1.50 L  Final volume = V2 = 0.450 L  Constant Pressure = P = 2.20 atm 

Q: 8. C=O bond stretch occurs at 1750 /cm and C-O stretch occurs at 1100 /cm because: The C-O is a stro...

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Q: The molar solubility of chromium(III) phosphate in a 0.280 M ammonium phosphate solution is _____ M?

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Q: Which intermolecular force increases with increasing molar mass O dipole-dipole forces O dispersion ...

A: Intermolecular forces 

Q: Drag the correction configuration for each alkene. (NA = not applicable) CH3 H H;C Br H3C CH,CH(CH3)...

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Q: In an oxidation-reduction reaction, the oxidizing agent   gets oxidized   has a more negative E° va...

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Q: Consider the reaction: NH,NO3(s) → N20(g)+ H2O(1) AH° rxn = -127.49kJ Calculate the enthalpy of form...

A: The chemical reaction :  NH4NO3(s) ---> N2O(g) + H2O(l)  ∆H°rxn  = -127.49 KJ  Enthalpy of format...

Q: Ifa solution of HP (K. - 6.8 x 10 ) has a pH of 2.70, calculate the concentration of hydrofuoric aci...

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Q: How many grams of zinc metal will be deposited from a solution that contains Zn² ions if a current o...

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Q: the temperature of the gas is increases by 10%, what will be the % decrease in density? 10% 11.11%...

A: Density ,d = PM /RT or d = k/T ( since P, M and R are constant) New temperature = T + 0.1 T = 1.1T

Q: is added H the f. produc} whin br a) 2 methiy! propane b) 3 ethy/ hexane

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Q: Problem 1 Energy must be supplied to break a single 2"Al (atomic number: 13) nucleus into separated ...

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Q: 11. This reaction happens very fast. Which of the following energy diagrams best represents this rea...

A: First reaction wil have the fastest rate because it has lowest value of activation barrier or energy...

Q: 1-ethylcyclohexane bromination

A: When 1-ethyl cyclohexane is treated with the bromine then the bromination occurs at tertiary carbon ...

Q: The following equilibrium constants have been determined for the reaction:    H2(g)   +   I2(g)   ↔...

A: Given: Kp at 448 oC = 50.0  And Kp at 350 oC = 66.9   

Q: Skittles "S" Down Skittles "S" Down Skittleso "S" Up (Parent Atoms) (Daughter Atoms) for each Trial ...

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Q: Write the expression for the equilibrium constant Kp for the following reaction. Enclose pressures i...

A: Given :-  6 Mn2O3(s) <-----> 4 Mn3O4(s) + O2(g)  To write :-  Equilibrium constant expression ...

Q: Calculate the nuclear binding energy per nucleon (in J/nucleon) for the nuclei 171x with a mass defe...

A: The solution is as follows:  

Q: How many liters of CH:OH gas are formed when 3.20 L of H2 gas are completely reacted at STP accordin...

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