Explain the concept of Heat and Work ?

Q: Purified water contains not more than 10 ppm of total solids. Express this concentration as a percen...

A: The concentration of the solutes particles in the solution can be expressed in many ways such as mol...

Q: Mars has an average atmospheric pressure of 0.007 atm.Would it be easier or harder to drink from a s...

A: When someone drinks from a straw, the air is basically sucked and a pressure difference is create in...

Q: Estimate the pKa values for the functional group classes represented by the given molecules. erad O ...

A:

Q: Describe how you would prepare each of the following aqueous solutions: (a) 1.50 L of 0.110 M 1NH422...

A: Concentration or Molarity is defined as “the mole of the solute per unit volume of the solution”. It...

Q: What is the molality of a 5.86 M ethanol (C2H5OH) solution whose density is 0.927 g/mL?

A: The given molarity of ethanol = 5.86 M                  Density of ethanol = 0.927 g/mL The molar ma...

Q: A source of electromagnetic radiation produces infrared light.Which of the following could be the wa...

A: The wavelength of infra red radiation lies between 2.5 to 15 micrometers. 

Q: what is the product of the reaction between o-toluidine,HCl and nano3

A:

Q: Which of the following would be considered a hypothesis? O A. The Washington Monument is 555 feet ta...

A: For a given statement to be a hypothesis, the statement must not be measurable, because it would sol...

Q: For the reaction I2 + Br2 <-> 2IBr Kc=280 at 150C . Suppose that 0.500 mol IBr in a 1.00-L fla...

A: Given, the chemical reaction as follows,I2+Br2⇌2IBrthe equilibrium constant  for the above reaction ...

Q: Draw a Lewis structure of your choice that has at least three equally reasonable resonance structure...

A: When a compound/ion is represented by two or more structures in which the position of electrons are ...

Q: Write the Lewis structure for each molecule. Cl2CO

A: Lewis structure represents the systematic arrangement of atoms around the central atom. Electrons in...

Q: When pyrrole is added to a dilute solution of D2SO4 in D2O, 2-deuteriopyrrole is formed. Propose a m...

A: When pyrrole is added to a dilute solution of D2SO4 in D2O, 2-deuteriopyrrole is formed.

Q: Which of the following would be considered a hypothesis? O A. The Washington Monument is 555 feet ta...

A:

Q: Consider the equilibrium reaction: A2Y(s) ⇌ 2A+(aq) + Y2-(aq. What is the molar solubility of A₂Y (K...

A: As A2B is a strong electrolyte,A2B→2A++B-hence the concentration of A+ in solution, A+=0.04M  from s...

Q: Solve question 1,2,3 and 4

A: question 1. "Since there are multiple sub-parts in this question and you have mentioned to solve all...

Q: Explain the following (1) Column Chromatography(CC) (2) Paper Chromatography (3) Thin Layer Chroma...

A: A laboratory technique that is used for separation of a mixture is chromatography. The mixture is di...

Q: As we will learn, many antioxidants–compounds that prevent unwanted radical oxidation reactions from...

A: Resonance structure: The representation of delocalized electrons in a molecule by means of different...

Q: The half life of a first order reaction is 28 second.what is its rate constant?

A: Half life (t1/2) :- " The time required for half of the reactants to convert into products is called...

Q: Dinitrogen tetraoxide (N,O4) decomposes spontaneously at room temperature in the gas phase: N2O4 (g)...

A: The expression of Arrhenius equation is shown below: lnk = lnA -EaRT Where; k = rate constant A = Ar...

Q: A clean, dry and open empty flask is being heated in a water bath. Under which conditions before or ...

A: The ideal gas equation is PV = nRT Here , P = pressure of gas V = volume of gas n = number of moles ...

Q: A solution is made by dissolving 8 grams of a salt in 100 cm³ of water (density = 1 g/cm³). Assuming...

A: Given: Mass of salt = 8 gm Volume of water = 100 cm3 Density of water =  1 g/cm3 We know that, densi...

Q: The hydrogen halides have the following fundamental vibrational wavenumbers: 4141.3 cm−1 (1H19F); 29...

A: Force constant: Hook's law defines the force constant as spring constant . Basically it is a proport...

Q: Why would you expect ammonia (NH3) to form hydrogen bonds with water molecules?

A: To give the reason for the hydrogen bond between NH3 and H2O.

Q: A pill of advil contains 200mg of the active ingredient, ibuprofen. Express the mass of ibuprofen in...

A: Given, mass of ibuprofen in a pill of advil is -------- 200mg. What is its mass in grams?

Q: Ammonia, NH3, acts as an Arrhenius base, a Brønsted-Lowry base, and a Lewis base, in aqueous solutio...

A: The Bronsted-Lowry (Proton theory of acid and base) theory is an acid-base reaction, presented by Jo...

Q: How many carbon dioxide molecules are produced when 0.75 mol of propane is combusted according to th...

A: Given  moles of propane = 0.75 mol  The balanced chemical equation is -  C3H8 + 5O2→3CO2 + 4H2O usin...

Q: Write the structure of the following compound: 1 -Bromo-4-sec-butyl-2 -methyl-benzene.

A: Organic compounds are named according to the rules and recommendations of IUPAC. Here,we are given t...

Q: Phosgene, COCl2, was used as a war gas during World War I. It reacts with the moisture in the lungs ...

A: Formation reactions are defined as the reaction that forms 1 mole of the product from the elements i...

Q: ● Give three examples of how elimination reactions are used in drug synthesis

A: Elimination reactions are those in which an entity leaves the reactant and forming a new product. Th...

Q: Define the terms theoretical yield, actual yield, and percentyield. (b) Why is the actual yield in a...

A: (a) Theoretical yield could be defined as the maximum amount of products which could be formed from ...

Q: Determine whether each molecule is polar or nonpolar.a. SCl2 b. SCl4 c. BrCl5

A: Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpol...

Q: In the accompanying chart are approximate vapor pressures for benzene and toluene at various tempera...

A: Given:-      (a)          The mass of benzene = 3.9 g. calculate the moles of benzene is:           ...

Q: Sulfuric acid is the industrial chemical produced in greatest quantity worldwide. About 90 billion p...

A: sulphuric acid has a chemical formula H2SO4. in lewis structure, The lines are electron pairs, and a...