According to the following reaction, how many grams of phosphoric acid are required for the complete reaction of 27.3 grams of potassium hydroxide? potassium hydroxide(aq) + phosphoric acid(aq) → potassium phosphate(aq) + water(8) grams phosphoric acid

Q: determine the Kp value for: SO2(g) + 1/2 O2(g) ⇌ SO3(g) Answer: Kp = 1.9 atm-1/2 *I know how to g...

A: Given reaction : 2 SO3 (g) ⇌2 SO2 (g) + O2 (g) Kp = 0.29 atm Reverse the reaction, we get 2 SO2 (g) ...

Q: The number of atoms per unit cell in HCP structure is ....atoms 4 6. 8.

A: The number of atoms in the hcp unit cell is 6. 3 atoms are placed in the middle of the unit cell. Th...

Q: How are hydroelectric plants damaging to the ecosystem?

A: Hydroelectric system is very much useful in generating current without any pollution. But there are ...

Q: Which of the following has an electrophilic center or atom? Br C. Br A. B. D. Choose all that apply....

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Q: Calculate Kc for the reaction below at 375°C if Kp at 375°C for this reaction is 4.3x104 N2(g) + 3H2...

A: Calculate Kc for the reaction below at 375°C if Kp at 375°C for this reaction is 4.3 × 10-4.

Q: Molecular Geometry: The VSEPR Model Table 2: Molecular Models Molecule Sketch of Lewis Dot Structure...

A: In the Lewis dot structure we consider the lone pairs of each atoms where as in shape determination ...

Q: The IPUAC name for the following compound is (be sure to indicate stereochemistry, where appropriate...

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Q: d. Complete the table below using the following information. Three elements have the electron config...

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Q: The type of Bonding show

A: The complete transfer of electrons takes palce. So it forms ions. Due to electrostatic force of attr...

Q: Calculate The Amax for The tollowing:

A: uv spectroscopy

Q: What is the pH of a solution with a hydronium (H3O+) concentration of 10-4 M? Is the solution acidic...

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

Q: Reactions Mechanism Major Product Mechanism Minor Product (SN1, SN1, E1, E2) (SN1, SN1, E1, E2) t-BU...

A: E2 and SN2 are the conjugate reaction and there is always a race between E2 and SN2 . In presence of...

Q: In the box on the right, draw the best resonance structure of the compound on the left. Draw electro...

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Q: Give a clear handwritten answer  ..?

A: Solid cobalt(II) nitrate is slowly added to 50.0 mL of a 0.0588 M Potassium  carbonate solution. The...

Q: If Ka for the acid is 2.51 x 10-5 at 25°C, what is the Kb of the conjugate base? a. 3.98 x 1010 b. 3...

A: Acid can be defined as the substance that give hydrogen ions in solution.and a strong acid have weak...

Q: Name Compound Formula & charge & charge ammonium acetate "sodium bicarbonate aluminum-perchlorate po...

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Q: Which base listed below would be the best to creat a buffer having a pH of 8.0679? methylamine, Kb ...

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Q: Calculate the activity coefficient of K+ in 0.050 M KNO3.

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Q: (ii) Describe the key molecular structure features of the pharmacologically active 2- oxazolidinone ...

A: Oxazolidinones are antibiotic and it inhibits bacterial protein synthesis. And it is effective again...

Q: Which are acceptable Lewis diagrams for the species indicated: (See attached image)

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: Part A An electron acquires 6 60x10-16 J of kinetic energy when it is accelerated by an electric fie...

A: Kinetic Energy of electron = 6.60 × 10-16 J Charge on electron = 1 Coulomb = 1.60 × 10-19 C    

Q: A 10µg/ml solution is prepared by diluting. ul of a 10mg/ml solution into 1ml of water.

A: Here we are diluting the concentrated sample to get a diluted sample.

Q: Indicates the number of electrons available for bonding in Periodic Table to elemental group O elect...

A: Please find your solution below : Periodic table is an organised arrangement of elements in order of...

Q: What volume of 0.120 M NaOH must be added to 100 mL of 0.100 M NaHC204 to reach a pH of 4.70? H2C204...

A: The solution is given below - 

Q: II. PRACTICE EXERCISE 2: Identify the hybrid orbitals used in the given molecules. H. H HH 21 31 41 ...

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Q: When 11.0 g of CaCl2 dissolves in 45.0 g of water, what is the boiling point of the solution? Kb=0....

A: Elevation in boiling point is colligative property. Colligative properties are those which depend up...

Q: An equimolar solution of ammonium sulfate, sodium chloride, and magnesium nitrate has an ionic stren...

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Q: Calculate the needed reagents in preparing 250mL of 0.200M KH2PO4-K2HPO4 buffer with pH of 7.40. (Mo...

A: Given: Total concentration of soluion = 0.200 M Volume of solution = 250 mL = 0.250 L               ...

Q: At 25 °C, K. = 0.145 for the following reaction in the solvent CCI4. 2BrCI Br2 + Cl2 If the initial ...

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Q: At what temperature (in degrees C) would a 0.00570 M solution of glucose in water exhibit an osmotic...

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Q: The hydronium ion concentration of an aqueous solution of 0.412 M codeine (a weak base with the form...

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Q: A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galv...

A: Reaction :-  2Ag(s) + 2Cl-(aq) + Cu+2(aq) ------> 2AgCl + Cu(s) 

Q: Mixture Problem: Nina works in the fragrance industry and was concocting a perfume. To get the scen...

A: Given,  To make a final volume of 2 Liters of a 22% solution made from a mixture of a 3% solution an...

Q: Draw the schematic diagram

A: Preparation of para-aminobenzoate also known as benzocaine occurs in two step. Step1: Preparation of...

Q: What is the hybridization of carbon atoms labeled i – iii in the following structure? H,C=C=CH2 i ii...

A: Hybridization of the carbon (C)

Q: the aid of a figure, illustrate how eutrophication can occur in a lake.

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Q: The auto-ionization of water is shown in the reaction below. Given that this reaction is endothermic...

A: Given, the auto-ionization reaction of water: H2O ⇌ H+ + OH- Given, ∆H = +55.89 kJ/mol We have to ca...

Q: 2) ОN- -CH,CI CH,COONA CH3COОH sol.

A: Electron withdrawing substituents destabilize the carbocation that's why SN1 reaction tendency decre...

Q: 3. 2.0-g NaF 6H2O is dissolved in enough analytical water to make 250.0- equilibrium concentration o...

A: Sodium fluoride is a strong electrolyte and it is formed by the strong base, NaOH, and weak acid HF....

Q: In an experiment, 1.000 mol H2 and 1.000 mol I2 are mixed in a 1.00-L container, and the reaction fo...

A: For equilibrium reaction ,after some point of reaction time the rate of forward reaction equal to ra...

Q: How do you calculate COD Distillate and COD Feed? (Please cite for any tables, book used found for t...

A: In the waste water treatment process, reduction of COD is required especially in case of industry ef...

Q: What is the pH of a 0.1250 M CH3NH3Br? Kb for CH3NH2 is 3.70e-4.

A: Given,  The pH of a 0.1250 M CH3NH3Br is : Kb for CH3NH2 is 3.70e-4.

Q: At 298.15K the osmotic pressure of the unknown substance was found to be at 2.25x10 Pa. If the conce...

A: Given:          (since 1 atm = 101325 Pa) Concentration of solution in Kg/m3 = 12.75 Kg/m3  Density ...

Q: The next part of the problem is to draw the resonance hybrid. (Exclude formal charges) I’m not sure ...

A: SOLUTION:  THE HYBRID STRUCTURE OF THE GIVEN MOLECULE IS 

Q: Which one is INCORRECT? a.Br2 : electrophilic aromatic substitution b.Neutral KMnO4 : oxidation c.Lu...

A: 1.The reaction of benzene with Br2 is an example of electrophilic aromatic substitution. Bromine act...

Q: Write the procedure for the beginning of the lab on chemical reactions ( up through and including pe...

A: refining, process including the transformation of a fluid into fume that is hence dense back to flui...

Q: (a) For propylene plot the residual enthalpy and residual entropy functions over the reduced pressur...

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Q: Reactions Mechanism Major Product Mechanism Minor Product (SN1, SN1, E1, E2) (SN1, SN1, E1, E2) t-BU...

A: Predict the suitable mechanism for the following reactions.,  

Q: Compare and contrast positron emission and electron capture. State at least two similarities and one...

A: Positron emission is a type of radioactive decay that emits positrons and electron neutrinos as prot...

Q: For nos. 4 - 7: Consider a saturated solution of barium iodate in 0.025 M BaCl2. Ba(1O3)2(s) = Ba2* ...

A:

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".