CH;NH, Hi, CH

Q: In the laboratory, a general chemistry student measured the pH of a 0.429 M aqueous solution of hydr...

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Q: A 500 megawatt electrical power plant typically burned 1,430,000 tonne of coal in a year. (a) Assumi...

A: In the combustion reaction of carbon, carbon reacts with arial oxygen to produce CO2 and the reactio...

Q: The atmospheric surface pressure on Venus is 90 bar and is composed of 96% carbon dioxide and approx...

A: Given:- Pressure of Venus surface (P) = 90 bar Composition of CO2= 96% Composition of other gases = ...

Q: The given monosaccharide below is in a fisher projection and it will be converted into Haworth. H- о...

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Q: Kc

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Q: Write the balanced NET ionic equation for the reaction when aqueous aluminum nitrate and aqueous pot...

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Q: a. Calculate the number of moles of HCI(g) that must be added to 1.0 L of 1.1 M NaC,H3O2 to produce ...

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Q: . Write an equilibrium constant expression, Kc, for the following reactions: a. NO (g) + O2 (g) ⇆ ...

A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...

Q: 1.547 grams of hydrated MgSO4 is heated in a crucible. After heating, 0.7554 grams of anhydrous MgSO...

A: We have to predict the water of hydration.  

Q: The amount of energy needed to heat 2.00 grams of mercury from 50.00 to 90.00 is 11.28 Jules. The sp...

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Q: Using the given data, determine the following information: What is the max of Ben? 450 nm 400 nm 750...

A: As λmax is the wavelength where the sample of compound of same concentration show maximum absorbance...

Q: Which of the following is the most correct name for this compound? но a. 2-hydroxy-2-methylnonane di...

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Q: How many moles of ammonia would be required to react exactly with 0.468 moles of copper () oxide in ...

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Q: (Q92) Which of the following statements regarding bimolecular elementary reactions is false? O They ...

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Q: What is the lewis structure of: 1. C3H5NO2 2. C3PS2H7

A: In Lewis structure, all atoms must have their octet complete. H can form maximum 1 bond to complete ...

Q: Dinitrogen Pentoxide, N2O5, decomposes when heated to give in carbon tetrachloride solvent.   N2O5...

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Q: 1. Identify each of the following as a strong electrolyte, weak electrolyte, or non-electrolyte. (Hi...

A: 1)  We would first look at the definitions of strong , weak and non electrolyte.      Note : As you ...

Q: Predict the products for the reaction following reaction: NaOH + Al2S3 --> Al

A: Write product of the given reaction--  

Q: Data of HCl Trial 1: volume of HCl =0.82l Volume of NaOH =22.1ml Trial 2: volume of HCl=0.821ml Volu...

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Q: Direction: Visualize a substance with the following points on the phase diagram: a triple point at 0...

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Q: Water formula

A: Water is a compound formed by combining of Water molecules. 

Q: Predict whether each compound is soluble or not in water. Show the chemical equation for its dissolu...

A: The solubility of the salts are given with the chemical equations for dissolution in water.

Q: How much heat is involved when an 100 g ice at 0 °C is heated to 80 °C? Specific heat of ice is 0.5 ...

A:  We have to calculate the heat involved.  

Q: 1. The hydroxide ion concentration, [OH-], of an aqueous solution of 0.429 M methylamine (a weak bas...

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Q: 4) Calculate the mass of copper (II) sulfate pentahydrate needed to make 250.0-mL of a 1.25 M soluti...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: A solution containing two different fluorescent compounds, Ben and Jerry, were analyzed for their in...

A: As per Beer-Lambert's law: A=εbcwhere,A=absorbanceε=Molar absorptivity (in mM-1. cm-1)b=Path length=...

Q: 2. The substance benzoic acid (C6H5COOH) is a weak acid (Ka = 6.3×10-5).What is the pH of a 0.258 M ...

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Q: Let 9.642 g He, 9.768 g F2, and 9.218 g Ar be placed in a 19.2-L container at 75°C. What are the mol...

A: Given, Let 9.642 g He, 9.768 g F2, and 9.218 g Ar be placed in a 19.2-L container at 75°C. The molar...

Q: A solution containing two different fluorescent compounds, Ben and Jerry, were analyzed for their in...

A: As λ max is a wavelength where sample of compound  of same concentration shows maximum absorbance in...

Q: N2(g) + 3 H2(g) 2 NH,(g) Which way does the react proceed? A) Forward B) Reverse C) Neither D) Can't...

A: Le-Chatelier's principle: The change in volume, pressure, temperature or concentration of an equilib...

Q: State whether each of the following solutions is acidic, basic, or neutral: soda, pH 3.22-         ...

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Q: First statement is true. S

A: Given that, two statements Statement 1: The compound in a multi-compartment system can be separated ...

Q: HsC OCH3

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Q: How do you define chemistry?

A: How do you define chemistry ? 

Q: The concentration of acetic acid (pKa =4.75) in vinegar is about 1.0 M. With this information, what ...

A: Acetic acid is a weak acid and it does not dissociate completely into ions. The pKa of acetic acid i...

Q: Construct a (011) within a unit cell.

A: A lattice plane in a unit cell is those plane whose intersections with the lattice are periodic.

Q: Calculate the velocity of a neutron whose de Broglie wavelength is 500 pm. Search for the mass of a ...

A: given :- de Broglie wavelength = 500 pm  to be calculated :- velocity of neutron

Q: 5. Wate C. Identify the following mixtures. Write SOL for Solution, SUS for suspension. and COL for ...

A: Please find your solution below : A solution is defined as a homogeneous mixture of two or more comp...

Q: What is the pH of a 0.196 M aqueous solution of ammonium chloride, NH4Cl ? pH = __________ This sol...

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Q: calculate the rate constant for this reaction 2) what is the concentration of the reactants after 1....

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Q: The equation for the preparation of phosphorous in an electric furnace is 2Ca3(PO4)2  +  6SiO2  +  1...

A: Given equation is : 2Ca3(PO4)2  +  6SiO2  +  10C  ---------->  6CaSiO3  +  10CO  +  P4  DETERMINE...

Q: Write the mass action expression for the equilibrium: Fe3O4(s) + 4 H2(g) 3 Fe(s) + 4 H2O(g)

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Q: Given the following reactions 2NO → N2 + O2 AH = -180 kJ 2NO + O2 → 2NO2 AH = -112 kJ

A: Solution                         Given that 2NO  N​​​​​​2 + O​​​​​​2       ∆H = -180 kJ 2NO + O​​​​...

Q: HI b)

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Q: The molar enthalpy of fusion of ice at 0 Celsius and a pressure of 1.00 atm is 6.01 kJ, and the mola...

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Q: In relation to the attached image, select the correct alternatives: (I) It is an exothermic reaction...

A: Given reaction is : In relation to the attached image, select the correct alternatives : (I). It is...

Q: he copper(I) concentration in an aqueous solution is to be measured. For the cathode alf-cell, a sil...

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Q: Methanol can be formed by the following UNBALANCED equation below . How many grams of methanol can b...

A: Solution - According to the question - Given  reaction - H 2 (g)+CO(g) CH 3 OH(l) . 6.022*10^23 mole...

Q: HO H,C H,C CH3 H,C 1. Но CH, H,CO CH 2. IZ

A: Given, 

Q: A stock potassium dichromate solution is prepared by placing 8.50 g of the sample in a 150-mL volume...

A: Molarity = moles of solute ÷ volume of solution (l)