When Na2CO3, NH4Cl, H4SiO4 are mixed in water, what reactions occur, which species exist. and What's the k value for reactions?

Q: Which of the following reactions can be used to prepare 3-methyl-3-hexanol? Note: n-Pr stands for no...

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Q: molecules.

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Q: Give the spectroscopic analysis and the structure of the product using the following

A: Spectroscopy is a branch of analytical chemistry that is based on interaction of compounds with elec...

Q: The value of Kp for the reaction 2HCN (g) àß C2N2 (g) + H2 (g) is 0.17. If the initial partial press...

A: Given data : Initial partial pressures of H2 = 1.0 atm C2NH  = 1.0 atm  HCN = 2.0 atm.   

Q: Nickel has a FCC crystal structure, an atomic radius of 0.125 nm, and an atomic weight of 58.68 g/mo...

A: We found that theoretical density is less than that per mental density

Q: At constant temperature, the variation of Gibbs energy with respect to pressure is ____________. A....

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Q: According to the following reaction: CO (g) + H2O (l)  CO2 (g) + H2 (g) What would you multiply "...

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Q: 10.0 mL of a 0.320 M KBr solution are diluted to a total volume of 1.50 L. What is the concentration...

A: Given:  Initial concentration of KBr solution = 0.320 M  Initial volume of KBr solution = 10 ml  Fin...

Q: What is the condition for spontaneity for systems studied under constant pressure?

A: Spontaneity is determined by free energy and entropy mainly.

Q: 1.Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C2H6O) in ...

A: mass of C2H6O=65 g , molar mass=46 g mol-1  mass of H2O=350 g , molar mass = 18 g mol-1  then,  

Q: what is the advantage of four-quadrant streaking method

A: what is the advantage of four-quadrant streaking method

Q: Why can’t molecules with the following formulas exist? Please explain briefly for each. a. CH5    b....

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Q: You need to make an aqueous solution of 0.168 M iron(III) bromide for an experiment in lab, using a ...

A: Given that, Molarity of FeBr3=0.168 M  Molar mass = 295.56 g mol-1 Volume=300 ml = 0.300 L  Mass of ...

Q: HBr 410.0 HI 320.0

A: The diatomic molecules vibration frequency  is given as: γ=12π kfμ

Q: .Which of the following is an electrolytic cell? a.Pb(s)|Pb2+(aq)||Zn2+(aq)|Zn(s) b.Pt(s)|Fe2+(aq),...

A: 1)  A positive value indicates the oxidation-reduction reaction is a spontaneous reaction. That mean...

Q: The number-average molecular weight of a polypropylene is 1241772 g/mol. Compute the degree of polym...

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Q: Determine the ground term symbols of a.) Mn b.) Mg* c.) V³* d.) 0²- e.) Cu* f.) 3+

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Q: Propose an efficient synthesis for the following transformation: (a)

A: Here we are required to find the reagent to carry out the following conversion 

Q: What is it ACTIVITY 4B. Matching type. Match the terms in column A to column B. Write your answer on...

A: Carbohydrates  - are classified  into two classes  1) sugar - these are crystalline substances which...

Q: What did Conner do to raise the pH of the pool? A) He added water to raise the pH. B) He added a bas...

A: ph of a base is high than the acid,if due to addition of a substance pH increases than it must be ba...

Q: For a first order process, the initial concentration of A is 0.816 M and the concentration of A afte...

A: Given that, for a first-order process, the initial concentration of A is 0.816 M, i.e. [A0] = 0.816 ...

Q: A spirit burner containing 5.0 g sample of propanol (C3H7OH) is used to heat up a beaker of water (0...

A: Here, in this experiment, propanol is combusted to heat up a beaker of water.

Q: Complete the following reactions.

A: the given reaction are  example of aromatic substitution reaction.    

Q: 0.100 mol of AgCl(s) is added to 1.00 L of H20. Next, crystals of NaBr are added until 75.00% of the...

A: Answer is as follows hope it helps :

Q: 2. Determine Ecell (in V) at 298.15 K for a cell composed of a platinum electrode in a mixture of 0....

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Q: Name: Mass to Mass Practice 1 Part 2: Use the following equation for questions 1-5 below... find the...

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Q: please answer only molality

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Q: Using the following data for the reaction A->B, Time, sec [A], M 1.00 50 0.67 100 0.50 150 0.40 200 ...

A: The rate constant of a reaction and the order of reaction can be determined from the graph plotted b...

Q: 3 Cu   +   8HNO3   g 3 Cu(NO3)2    +  2 NO   +  4  H2O In the above equation how many moles of NO c...

A:  number of moles of NO can be made when 40 moles of HNO3 are consumed is given below

Q: Calculate the mass of gold(III) chloride (Au, Cl,) that contains a million (1.0 x 10°) chlorine atom...

A: Here in the given problem we have to use unitary method. Molar mass of a molecule is sum of atomic m...

Q: 2 NH3   +  3 CuO   -->  3 Cu   +   N2   +   3 H2O In the above equation how many moles of  N2 can b...

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Q: Write the balanced molecular equation of the following: Hydrobromic acid solution + sodium hydroxid...

A: Balanced chemical equation: Balance chemical equation can be defined as the reaction in which number...

Q: At a certain temperature, the pHpH of a neutral solution is 7.49. What is the value of KwKwK_w at th...

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Q: A 2.05 m aqueous solution of some unknown solute had a boiling point of 102.1 °C. Which one of the f...

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Q: Can 3-hexanol be easily made from hexanoic acid via reduction why or why not  when trying to oxidiz...

A: Reduction in general terms is removal of oxygen and oxidation in general  terms is addition of oxyge...

Q: A major component of gasoline is octane (CH8). When octane is burned in air, it chemically reacts wi...

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Q: 4. Show the steps necessary, in order, to make each of the following compounds. Start with benzene, ...

A: Answer of the question given below, 

Q: Organic chemistry:Write an introduction about Nuclear Magnetic Resonance Spectroscopy(NMR) and how t...

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Q: hich of the following choices correctly arranges the given elements in increasing electronegativity:...

A: Electronegativity of an element is defined as the the tendency of element to pull the shared electro...

Q: Question 10 Examine the following equilibrium whose equilibrium constant (K,) is 0.10 N2 (g) + O2 (g...

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Q: The reaction H2 + I2 = 2HI follows the rate law rate = K[H2][I2]  The rate constant for this reactio...

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Q: Arginine is an amino acid which has the following pKa values: pK1: 2.17, pK2: = 9.04, pKR = 12.48. C...

A: So, the net charge of arginine at pH = 4 will be +1.

Q: Consider the following reaction: H3PO4 Choose all final major product(s): HO HO OH HO OH A C HO HO H...

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Q: Write "highest" under the compound with the highest boiling point. Write "lowest" under the compound...

A: Acid is substance which release hydrogen ions and base is substance which release  hydroxyl ions.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.26 kg sample ...

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Q: 12. If 4.0 g of acetanilide are mixed with 1.5 mL of 16M nitric acid and excess sulfuric acid, then ...

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Q: 140 130 120 110 100 NaNO3 90 80 3 70 60 NH&CI KCI NaCI 50 40 30 20 10 KCIO3 -Ce2(SOa)3 O 10 20 30 40...

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Q: 'N H what are the functional groups in cephalothin? z-

A: Determine the different functional group in cephalothin.

Q: Nitric oxide reacts reversibly with chlorine in the following manner: 2NO(g) + Cl2(g) = 2NOCl (g). T...

A: Given reaction,  2NO(g) + Cl2(g) = 2NOCl (g) Kc=6.5 x 104   

Q: Please propose a chromatography-based strategy to purify human insulin proteins that have been expre...

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.