NS) 0.2

Q: from the following reaction. Use bond enthalpies to calculate the enthalpy change ( AHO ) in kJ/mol?...

A: The question is based on the concept of chemical thermodynamics. we have to calculate enthalpy chang...

Q: Classify each species isted in the first column of the table below. Check all that apply Species Lew...

A: The compounds given are,  

Q: (

A: Dear student this question is related to chemical formulas.

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A: (d) Water proceeds towards equilibrium here refers in terms of achieving an equilibrium between the ...

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A: The question is based on the concept of qualitative analysis. We have to identify the false positive...

Q: Reagent nitric acid is 65.73% HNO3 by mass and its molarity is 15.84 M. Calculate its molality. Expr...

A:

Q: Part A What is an ion? An ion is a charged particle. O An ion is a neutral particle.

A:

Q: The formula weight of potassium phosphate (K,PO,) is Atomic mass k =39.1, P = 31, O= 16 a. 212.3 b. ...

A: Calculate formula weight of K3PO4 ?

Q: How do we carry out a Diels-Adler reaction in the bottom problem?

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Q: The vapaor pressure of pure water at 45°c is 71.9mm Hg. What is the vapor pressure of a mixture of 2...

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Q: write a nucleophilic substitution product and compare the reaction speed when they react when they r...

A: The reactants given are,  

Q: What is a when the reaction Fe2O3 + C → Fe + a CO2 is balanced with the simplest integer coefficient...

A:

Q: 2. A sample of a substance containing only carbon, hydrogen, and oxygen has mass x in grams. It is b...

A: The equation for the burning of carbohydrate is: x12a+b+16c CaHbOc  +  O2   →    y44CO2  +  Z18 H2OT...

Q: - A piece of zinc (Zn) is immersed in aqueous hydrochloric acid solution. According to this which of...

A: Given: Metal Zn is immersed in aqueous hydrochloric acid i.e. HCl solution.  

Q: Consider the following reaction, which takes place in a single elementary step: 2A + B A A2B If the ...

A:

Q: Activity 4: To qualify for the Boston Marathon a 45 year old man must finish a prior marathon (26.22...

A:

Q: Give the name of a reagent that will be used to precipitate AsO43- ions as MgNH4AsO4

A: The arsenate ion, AsO43- is any compound that contains this ion. Arsenates are salts or esters of ar...

Q: When octane, C3H18, undergoes combustion the following reaction occurs: --C8 H8 + -O2 → _CO2 + -__H2...

A: Here mass of water is 700g because as we know density of water is 1g/ml. 

Q: A. Given the Lewis Structure and molecular geometry, predict if each substance is polar or nonpola M...

A: Note: according to our guidelines we are supposed to answer only first question 

Q: HCI 6- Pyridine

A: Here pyridine is a base due to presence of lone pair of electrons on Nitrogen ring atom and HCl is a...

Q: a balanced equation for the reaction between I2 and ascorbic acid. Identify the oxidizing agent and ...

A: Write a balanced equation for the reaction between I2 and ascorbic acid. Identify the oxidizing agen...

Q: Give the IUPAC name for this compound:

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A: What is the chemical formula for each substance mentioned?

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Q: Name the reagent that will be used to dissolve CuS and Bi2S3.

A: CuS and Bi2S3 are insoluble sulphides having black and brownish black colour respectively.   

Q: 4. If 5.524 x 10°J of heat is applied to a 702.1 g sample of iron, by how many degrees Celsius will ...

A:

Q: Using Faraday Constant, how many grams of copper will attach to cathode of an electrolysis cell if a...

A:

Q: the mass of 0,8 moles mixtures of NO and CH4 gases is 17 grams; I. The number of moles of NO is gre...

A: Given:  Total Moles of mixture = 0.8 moles  Total mass of mixture = 17 grams     

Q: - Which of the following is not an ionic compound?

A:

Q: - How many moles of ZnCl2 are formed when 13 g of Zn metal is thrown into a sufficient amount of aqu...

A: 1- Balanced chemical reaction equation :  Zn + 2HCl ------> ZnCl2 + H2   

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A:

Q: H', heat HOʻ OH

A: The answer to the following question is -

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A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: Which element below has the highest ?electronegativity üljysl gl a. Si b. F c. Mg d. Be

A:

Q: H;O* H,O ZI

A:

Q: Draw the simplest set of curved arrows that shows how the structure on the left could be turned into...

A:

Q: 8 - Which of the following about the PC13 molecule is incorrect? O a) formed by the sharing of elect...

A: Phosphorus trichloride, PCl3 consists of one phosphorus and three chlorine atoms. It is produced by ...

Q: Mycophenolic acid is a pharmaceutical used to prevent organ rejection in people receiving a kidney t...

A: Valence bond theory helps us to find the hybridization of the atom in a compound.  From the hybridiz...

Q: An incomplete Lewis structure is shown below. The structure only shows the atoms and how they are co...

A: In lewis dot structure schematic diagram of compounds , which are represented by bonding and non bon...

Q: Draw the simplest set of curved arrows that shows how the structure on the left could be turned into...

A:

Q: Consider the partial sequence of a peptide. I L W A N R M S H V L F A V E A Select all amino acid r...

A:

Q: When salicylic acid, C,H,0, is burned in a bomb calorimeter with a heat capacity of 2.046 x 104 J/°C...

A:

Q: An aqueous solution containing glucose has a vapor pressure of 20.7 torr at 25°C. What would be the ...

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Q: Give the IUPAC name for the following: CH CH2-CE ECH H;C `CH2

A:

Q: Rank the bases in the table below from strongest (1) to weakest (4). H (Choose one) |(Choose one) (C...

A: The substance which lose Electron is called as Base . The Molecule which lose the Proton easily is c...

Q: Which of the following about ionization energy (IE) is false?    a) For the element Si, 5.IE is muc...

A: To identify the false statement among the given ones.  

Q: Decide whether the proposed Lewis structure below is reasonable. proposed Lewis structure Is this a ...

A: It is a schematic diagram of compound in whch bonding and non bonding electrons i.e lone pairs are s...

Q: In tabular form, write the Lewis Symbol, Lewis Structure, Chemical formula and indicate the type of ...

A: Draw the lewis structure, which type of bond present, chemical formula of them ?

Q: of the compounds

A: Dear student, this question is related to the solubility.