The equilibrium constant for a reaction A + B = Y + Z is 0.1.  What amount of A must be mixed with 3 mol of B to yield at equilibrium 2 mol of Y?

Q: 2. An unknown gas sample is collected in a 245 mL container at 25°C and 755 mmHg. a. How many moles ...

A: Given :-  Volume of gas = 245 mL  Pressure  = 755 mm Hg  Temperature = 25°C  Mass of gas = 0.356 g  ...

Q: Which is the reductant and oxidant in the reaction? S2032- + 12 - 1 + S406² I'is the reductant; S406...

A: Given : We have to tell oxidant and reductant .

Q: redox reaction

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Q: co List all the possible transitions that can occur between n = 1 and n = 4 in a hydrogen atom. Whic...

A: The electronic energy levels in an atom are quantized and when an electron undergoes a transition fr...

Q: For solid solutions, check all that applies: V A. For the case of an interstitial solid solution of ...

A: The solution is as follows:  

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

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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: The cell notation for the Galvanic cell is              Cd(s)/Cd2+//I2(s)/I- The Standard Reductio...

A:  Cell notation for the Galvanic cell is :-             Cd(s)/Cd2+//I2(s)/I-  

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: 1) Explain why when performing stoichiometric calculations, it is important to use a balanced equati...

A: A balanced equation has the same number of atoms on the both sides of the equation. It tells the exa...

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: Question 2 The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium...

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Q: How many moles is 0.025 g of NaCO3

A: Given :  Mass of NaCO3 = 0.025g

Q: Question 2 The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium...

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Q: Question 7 of 39 What is the correct IUPAC name for the compound shown here? 2-methyl ane onal resou...

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Q: know there is only a limit to how many questions you can help me on and I don't know if each blank c...

A: The solution is as follows:  

Q: step(s). The SN2 reaction of chloroethane with NaC=CH has 3. O 1

A: Bimolecular nucleophilic substitution reaction (SN2): In this reaction the addition of the nucleophi...

Q: Question 4 What is the purpose of the salt bridge in an electrochemical cell? To maintain electroneu...

A: This question is related to electrochemistry. Electrochemistry is branch of chemistry in which oxida...

Q: Given the activation energy of a chemical reaction is 26.5 kJ mol-1. Dese Ea d explain, the effects ...

A: Given : Temperature is changing from 100C to 350C

Q: Which of the following is/are TRUE about Galvanic cell? I. The Gibbs Free Energy of the cell is nega...

A: In a galvanic cell, the anode is negatively charged and the cathode is positively charged. 

Q: A mixture of the 8-hydroxyquinoline complexes of Al and Mg weighed 1.0843 g. When ignited in  a furn...

A: Given: The mass of sample = 1.0843 g. And the mass of Al2O3 and MgO formed = 0.1344 g. Assuming the ...

Q: Which of the following statement/s is/are TRUE? I. The Arrhenius Theory cannot be applied to account...

A: The answer is given below

Q: Consider the structure shown. :ö: Determine the number of shared and unshared electrons in the struc...

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Q: Calculate the mass of CO, (gram-formula mass-4401 g/mol) produced when 0.64 kg of cellulose is compl...

A: Given, The mass of CO2 (gram-formula mass-4401 g/mol) produced when 0.64 kg of cellulose is complete...

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

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Q: Calculate the pH of a 0.00250 M Sr(OH)2 aqueous solution. Answer:

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Q: The average life expectancy in the United States is 78.7 years. Assuming there are 365.25 days in a ...

A: Given that , average life expectancy of US is 78.7 years  And given  1 year = 365.25 days  Complete ...

Q: The gas-phase reaction of NO with F2 to form NOF and F has an activation energy of E = 6.30 kJ/mol a...

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Q: Phosphoric acid is often added to colas to give them the tart flavor people like. Coke Classic has a...

A: Phosphoric acid is a triprotic acid. It undergoes three dissociations as follows: H3PO4 <------&g...

Q: What  will  be  the  molarity  of  a  236  ml  solution  if  it  has  been  prepared from  75.0  ml ...

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

A:

Q: Determine the valence electrons shared between two carbons in a compound c2H4

A: The compound given is C2H4.  

Q: Which alkyl halide will form.the most stable carbocation? Br Br Br II II IV Multiple Choice II IV

A: A carbocation is an ion with a positively charged carbon atom.

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: Consider the following reaction: A2 + 2B+2 AB The initial concentrations are [A2] = 0.69OM and [B] =...

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Q: HsC OCH3

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Q: 7. P2S4 diphosphorus tetrasulfide valence e = REDS at each central atom = shape at each central atom...

A: Lewis dot structure of the molecule is drawn assuming that the molecule is covalent molecule. Here s...

Q: How will the reaction rate of the SN1 roaction change if the alectrophile is switched from the terti...

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Q: Explain in terms of the distribution of charge, why H2O is considered a nonpolar compound

A: NOTE: H2O is considered as polar compound and not a nonpolar compound. Hence I'm explaining why its ...

Q: -moles of

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: rignard reagents react with carbon dioxide. Give the product, after acid hydrolysis, of the reaction...

A: Given : We have to make product when phenyl magnesium bromide with carbon dioxide.

Q: Liquid hexane (CH;(CH,) CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (...

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Q: Draw Lewis electron dot diagram of compound CO2 to determine the molecular polarity by drawing the p...

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Q: What is the weight percent of nitrogen in caffeine, C8H10N4O2?

A: Given :- molecular formula of caffeine = C8H10N4O2  To be calculated = weight percent of N in caffei...

Q: The following data were acquired in an iodination experiment involving acetone. Reaction times are f...

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Q: QUESTION 5 How many moles of solid is produced if 1.6171 moles of aluminum nitrate (ag) reacts with ...

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Q: Identify the IUPAC Name of the following compounds.

A: Given compound: (1)  The numbering of the main carbon chain can be done as follows:

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: A sample of that contains 200 molecules contains carbon atoms. A 22.5-g sample of ammonium carbonate...

A: Since you have posted multiple questions as per guidelines we can solve only one per session . Since...

Q: What is the mass % of carbon in dimethylsulfoxide, C2H6SO, rounded to three significant figures?

A: