Given the equation: 2 Al + 6 HCI --> 3 H2 + 2 AICI3 How many moles of HCl are required to produce four moles of AICI-3? * 3 12 18

Q: ASixn =

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Q: N2(g) + 3 X2(g) →2 NX3(g) 0.0 AH 0.0 -48 kJ/mol S° 292 200 152 J/(mol-K) What is AG at 600 K ? О 321...

A: Correct option is (C) 257

Q: Draw structures for the following: (a) cis and trans isomers having the formula C 4 H 8 (b) 2° a...

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Q: C For the mechanism step below, draw curved arrows to show electron reorganization. Arrow-pushing In...

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Q: When AH is positive and AS is negative, the reaction is nonspontaneous at all temperatures True Fals...

A: Given :-  Statement : when ∆H is positive and ∆S is negative, the reaction is nonspontaneous at all ...

Q: Instruction: Fill up the table with the correct values for the atomic numbers, mass number, numbers ...

A: Number of protons = atomic number  Number of neutrons = mass no.-atomic no. For a neutral atom :-  N...

Q: Annotate the NMR spectra. Assign the hydrogens to the structure

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Q: Balance the following reaction by typing in the correct coefficients in front of each reactant and p...

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Q: Provide a complete, detailed and stepwise mechanism for the following acid 3. catalyzed hydration re...

A: SN1 reaction is known as Unimolecular Nucleophilic substitution Reaction, where there is no need of ...

Q: Show your complete solution for the ff: Calculate AS° for CaCo, (s) CaO(s) + CO, (g) b. 2H,(g) + O, ...

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Q: Mixing 50 ml of HCI ( 2.0 M) with 50 ml of NaOH ( 2.0 M ) raises the temperature of the calorimeter ...

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Q: The partial pressures of the following reaction are given H,(g) + 1/2 0,(g) → H,0(g) H,(g) = 0.50 at...

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Q: 3. In a solution containing H3O* ions at a concentration of 0.003 mol.L', what is the concentration ...

A: Given, [H3O+] = 0.003 mol.L-1 [OH-] = ? The formula used here are, pH = -log[H3O+] pH + pOH = 14 pOH...

Q: The partial pressures of the following reaction are given H,(g) + 1/2 O,(g) → H,O(g) H2(g) = 0.50 at...

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Q: Determine the molar concentration of Ag+(aq) ions in a 2.00 M solution of AgCl2- with no excess chlo...

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Q: Assuming that we take only the 20 biogenic amino acids into account, which of the following fruits a...

A: We need to tell possible oligo- or micropeptides based on amino acid single letter codes

Q: Mixing 50 ml of HCI ( 2.0 M) with 50 ml of NaOH ( 2.0 M ) raises the temperature of the calorimeter ...

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Q: Find the ΔH for this reaction :   3H2(g) +O3(g) --> 3H2O(g) Given the two following pieces of  in...

A: Given- 3H2(g) + O3(g) --> 3H2O(g)  

Q: Annotate the IR spectrum for methyl 3-nitrobenzoate. Label the significant peaks with the correspond...

A: Annotations of FTIR spectrum of methyl 3-nitrobenzoate

Q: don’t understand the first part of the question with the: “You need 2 moles of magnesium…” How do I ...

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Q: Which of the following compounds would you expect to be soluble in water? I. AgNO3 II. AgCl II. AgCI...

A: Correct option is ( e) I and III  because both are ionic in nature and hydration energy of solvation...

Q: Question 6 A Equation 1: X(s) + NiCl (aq) → Ni(s) + XCl, (ag) Equation 2: X(s) + MgCl2 (ag) → no rea...

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Q: A 160.0 mL solution of 3.041 M strontium nitrate is mixed with 205.0 mL of a 3.340 M sodium fluoride...

A:   Given reaction is                                    Sr(NO3)2                 +                2  ...

Q: 13. In the reaction 3Ca + Al2 (SO4)3 -> CaSO4+ 3 Al What mass of aluminum sulfate (342g/mol) reacts ...

A: Given: The balanced equation: 3Ca + Al2(SO4)3 → 3CaSO4 + 2Al We have to find the mass of aluminum su...

Q: Which statement correctly describes an endothermic chemical reaction? A. The products have higher p...

A: First we would define Endothermic reaction then choose the correct option . 

Q: An aqueous solution of gold nitrate, Au(NO3)3 undergoes electrolysis in order to plate on a necklace...

A: Given-> Au3+(aq)  +  3e- --->. Au(s) Time = 0.50 hour = 0.50 × 3600 =1800 seconds Current (I) ...

Q: What are the ideal van't Hoff factors for the following compounds Ba(ОН)2, С6н1206, КЗРО4, HNO3 ?* O...

A: Van't Hoff factor is the number of ions form when an ionic compound dissolved. 

Q: A 28.1mL sample of 0.108 M HCI is titrated with 0.175 M NaOH. Calculate the pH after the addition of...

A: Given: The volume of 0.108 M HCl titrated = 28.1 mL The molarity of NaOH = 0.175 M We have to calcul...

Q: the ionization constant for HCN is 4.5 x 10^-10. what is the pH of a 0.43 molar solution of sodium c...

A: PH = -log [H+]

Q: Calculate the pH of a solution that is 0.0718 M NaClO at 25°C

A: Given-> Molarity = 0.0718 M  

Q: 2 3. 4. 5. 8. 9. Four 0.2 mol samples of argon gas are described in the table below. Rank these samp...

A: Number of moles is same which is equal to 0.2 moles of Argon gas.   

Q: Select the one with the largest molar entropy O He(g) O Ar(g) O H2(8) O I2(8) I2(g)

A: Molar mass is proportional to molar entropy .  

Q: Give an IUPAC name for the compound below. Accepted names for branched alkyl groups are isopropyl, i...

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Q: Provide reagents and conditions with mechanisms to produce the products indicated. HO OH o-CH3 HO OH...

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Q: How many total optical isomers would exist for the compound shown below?

A: We have to predict the number of optical isomers possible.  

Q: The ionization constant, K for HCN(aq) is 7.7 x 10 10, What is the pH of a 0.17 molar solution of so...

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Q: QI/ Arrange and give reason the following sets of compounds in order of: 1) Increasing acidity CH Ph...

A: In 1st Question, beta ketones and beta esters are given . -OCH2CH3 is electron withdrawing group.Thi...

Q: the specific rotation of sucrose is 66.5(°cm^3)/(gdm), what is its molar rotation? Molar mass of suc...

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Q: I80 160 140 NaCIO, NaNO, 1. Based on the graph, overall, what happens to the solubility of solid sol...

A: We would use given curve trends for each substance to answer these questions.   

Q: A chemist performs a gravimetric analysis. The chemist combines 1.00 L of 2.00 M AGNO3 (ag) with 1.0...

A: Silver salf with halide is well known for sparingly soluble salt. They have very less solubility in ...

Q: 1. The structures of six organic compounds are shown below. H =H H2N (b) (c) `NH2 H2N ОН (d) (e) (f)...

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Q: The rate constant for the first-order decomposition of N205 in the reaction 2 N205(g) → 4 NO2(g) + O...

A: 2N2O5(g) ----> 4NO2(g) + O2(g)  

Q: The volume of a gas sample is 866 ml at 11 atm and 467 K. What volume, in ml, will it occupy at 2 at...

A: According to Boyle's law, At constant temperature, the volume of a gas varies inversely with the pre...

Q: Give a clear handwritten answer...

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Q: Write the complete, balanced reaction that occurs when manganese (II) nitrate is mixed with sodium c...

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Q: What is the cobalt(II) ion concentration in a solution prepared by mixing 353 ml of 0.440 M cobalt(I...

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant ...

Q: Predict whether or not these substances will mix. Justify and expand your answer. 1. Paint thinner a...

A: Determination of polarity nature of both the compounds in the given pair is quite necessary to check...

Q: What is the AH value for an exothermic energy change? * Always negative Always positive Could be pos...

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed durin...

Q: 20. Based on the following equation, how many liters of NH, can be produced from 36 liters of H, at ...

A: Balanced chemical equation: N2 (g)  +  2H2 (g)  ------>  2NH3 (g) From the above equation: Volume...

Q: Gibbs Energy and Phase Changes 1. The molar volumes of water and ice at 0°C and 1 atm are 18.02 and ...

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".