You study the reaction C ⇌ 2A + B. You start with a 0.30 ℳ C in a sealed container. Later, you measure the equilibrium concentration of C to be 0.17 ℳ. What is the value of Kc for this reaction?

Q: A supersaturated solution of CH3COO-Na+ will crystallize spontaneously. Predict the signs of AH,AS,A...

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Q: 261.28 mL of 4.0°C water is heated until its temperature is 48.24°C. If the specific heat of water i...

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Q: 2. are the percent compositions of the flue (dry basis) if the fuel is burned stoichiometrically? As...

A: We are required to calculate the percent compositions of the flue gas( dry basis) for the combustion...

Q: A certain weak base B has a base-ionization constant Kb of 5.9 × 10–4 at 25°C. If strong acid is add...

A: Ionisation constant Kb of base B=5.9×10-4  

Q: The given Ka value of nitrous acid (HNO2) is 4.5 x 10^-4. Find the value of Kp for the equilibrium r...

A: The multiplication of acid dissociation constant and base dissociation constant is equal to 1.0×10-1...

Q: What is Ka at 25°C for the following equilibrium given Kb (CH3NH2) = 4.4 × 10–4 at 25°C.?

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Q: A technical machinist is asked to build a cubical steel tank that will hold 370 L of water. Calculat...

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Q: A supersaturated solution of CH3COO-Na+ will crystallize spontaneously. Predict the signs of AH,AS,A...

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Q: Classify each of the following as a primary, secondary, or tertiary amine: NH-CH3 a. CH;CH,-N-CH,CH;...

A: ->If 1 hydrogen is attached with nitrogen then it is 2° amine. ->If 2 hydrogen attached with n...

Q: A 148.9-g sample of a metal at 74.0°C is added to 148.9 g H20 at 14.4°C. The temperature of the wate...

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Q: Balance and complete: HNO3(aq)+K2CO3(aq) Show your work!

A: We have to complete and balance the chemical equation given in the question.

Q: Amphetamine is a powerful stimulant of the central nervous system.Draw the products formed  (and sho...

A: We have to predict the products and flow of electrons.  

Q: Given the reaction 2A (g) = B (g) + C(g) and the fact that Kc = 3.5 at a certain temperature. You pl...

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Q: A solution contains 0.0200 M Co and 0.0400 M Ni?+. What is the concentration of the first cation whe...

A: Salt having lower value of solubility product Ksp precipitates out first. Since CoCO3 has lower Ksp ...

Q: What hydrocarbon (hydrogen and carbon only) formula would you use to start this problem? How many de...

A: Using the following formula no.of unsaturation can be calculated  1. For compound with carbon, hydro...

Q: A) an aldenyde B) a ketone and an alcohol C) an aldehyde and an alcohol D) a ketone and a 1,2-diol (...

A: It is the acidic hydrolysis of acetal So, major products are   

Q: For the hydrogenation reaction of (R,Z)-3-methylpent-3-en-2-ol shown below, which of the following s...

A: Option D is correct answer. a racemic mixture of enantiomers having stereo center at C2 and C3

Q: AICI3 CI

A: This is intramolecular F. C. Acylation reaction. They undergoes cyclisation to form cyclic ketone

Q: a. Identify THREE (3) isotherm shapes that are typically encountered in an adsorption process for a ...

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Q: catalyst The steric strain in the trisubstituted alkene makes the reaction exergonic. O The reaction...

A: The stability of alkene depends on the number of alkyl substituents present on the doubly bonded car...

Q: Starting with benzene, give a sequence of laboratory reactions which could be used to prepare p-isop...

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Q: How many signals do you expect in the proton NMR spectrum of 2-chlorotoluene?

A: We have to predict the number of signals in the given compound.  

Q: If the AH = 273 kJ/mol and AS = 109 J/K mol for a nonspontaneous reaction, at what temperature does ...

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Q: What is the enthalpy change in kJ for converting 5.0 mol of ice at -50.0°C to water at 70.0°C? 6.01J...

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Q: At high temperatures, bromine molecules can dissociate into bromine atoms. For the reaction Br₂(g) ...

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Q: 40. What is the major product of the following reaction sequence? COCH3 HCI CH3OH СООН CH3 fOCH3 CH3...

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Q: Explain how you would draw XeF4 and determine its shape, hybridization, polarity and intermolecular ...

A: The molecule given is Xenon tetrafluoride XeF4.

Q: Draw the major product of this reaction. Ignore inorganic byproducts. Assume that the water side pro...

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Q: Dase B) a weak acid (analyte) titrated with a strong base C) a strong base (analyte) titrated with a...

A: From the graph. pH is decreases continuously.  And initially pH is greater than 7 . Then it is decre...

Q: Consider the following equilibrium. A(g) + B(g) = C(g) + D(s) AH > 0 What effect would each of the f...

A: Given reaction is :  A (g) + B (g) <--------------> C (g) + D (s) , ΔH > 0 What effect woul...

Q: How many grams of irion

A: KMnO4 and Fe2+ titration is a type of redox titration in which we titrate the iron by KMnO4  at the ...

Q: At 25 °C, what is the hydroxide ion concentration, [OH¯], in an aqueous solution with a hydrogen ion...

A: [OH-] = 4.54 x 10-8 M

Q: got stuck at the stoichiometry , converting from mg

A: Mass of Zn = 2400 mg × 1g/1000 mg  = 2.40 g Moles of Zn = mass /molar mass   = 2.40 /65.38  = 0.0367...

Q: Using the concentrations 0.100M and 0.1766M, and the pKa of 3.752, what is the theoretical pH of a b...

A: pKa = 3.752  

Q: What volume of water must be added to 14.4 mL of a pH 2.0 solution of HNO3 in order to change the pH...

A: Nitric acid is strong acid which undergoes complete dissociation in aqueous medium to form one equiv...

Q: 2. Predict which reactions proceeded by an SN1, Sn2, El or E2 mechanism: Br NaOCH,CHa OCH CH3 + NaBr...

A: Answer: These reactions can be characterized on the basis of type of reactant and solvent that is be...

Q: 1. CHBI (еxcess) 2. Ag20 3. Д

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Q: CH3 H3C `CH2 CH2

A: Concept: The number of NMR signals represents the number of different types of protons in a molecule...

Q: In determining the enthalpy of neutralization of a strong acid-strong base reaction, three students ...

A: We would calculate moles of base ( NaOH ) added  initially.  Then for each student we calculate the ...

Q: The rate constant for the decay of a radioactive element is 6.66 x 10-3 day-. What is the half-life ...

A: Given- Rate constant for the decay of a radioactive element= 6.66×10-3day-1

Q: According to the Hammond postulate, which of the following carbocations would form most slowly in th...

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Q: The simple cation Pb2+ actually exists in water as the complex cation [Pb(H2O)6]2*, which is of the ...

A: Answer - The correct option is - (c) the first hydrolysis product [M(OH)(H2O)n-1](m-1) + Explanation...

Q: In addition to the issue raised in prelab Q3, 2,3-dihydrofuran and styrene will also give give two a...

A: Solution -

Q: 9. Consider the following molecule of propanone: a. Use your understanding of VSEPR structures to ex...

A: VSEPR means valence shell electron pair repulsions. The number of bond pair and lone pair on an atom...

Q: Which of the following compounds can be converted to an alkyl lithium compound in one step by reacti...

A: Alkyl lithium compound formed in one step if there is no acidic hydrogen present .

Q: What are the solvents used in the fabrication of organic electronic devices today? In your words, wh...

A: The solution of the question is given below:

Q: Which reagents would be useful in converting the following alcohol into an alkyl halide? OH ) NaBr i...

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Q: Consider this equilibrium reaction at 400 K. Br, (g) + Cl, (g) = 2 BRCI(g) K. = 7.0 = 0.00415 M, [Br...

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Q: What is the predicted product of the reaction shown? NH3 O,N- O2N- -NH2 II O2N- CI O2N NH2 IV O2N- I...

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Q: Consider the ionization of HClO2 and identify each species listed as a Bronsted-Lowry acid, Bronsted...

A: Conjugate acid -base are the pair where there is difference of only one H+.