What is the mass of 1 mole of pennies? ? How many moles of pennies have a mass equal to the mass of the Moon?

Q: Why is butanoic acid stronger acid than phenol?

A: Acid is a substance donate H+ ions  Strength of Acidity depends on 1) - I effect and -R effect 2) st...

Q: ats Which of the following indicate a beta configuration at the anomeric carbon? CH,OH CH,OH OH OH O...

A: Stereochemistry is branch of chemistry in which we deal with arrangement of atoms in molecules. 

Q: Aluminum reacts with iodine in the presence of hot water, to exothermically produce aluminum iodide....

A: As the per the guidelines we are supposed to answer the first three sub parts to be solved other sub...

Q: Try Again Your answer is incorrect. Solid aluminum (Al)and chlorine (Cl,) gas react to form solid al...

A:

Q: 4. Nitric acid is a corrosive and strong acid. It has a molarity of 15 M when purchased from a chemi...

A:

Q: Draw the condensed formula or skeletal structural formula for the following compounds: (a) 2-methyl...

A: (a) 2-methylpentanoic acid (b) Ethyl butanoate

Q: Draw the structure of a hydrocarbon that absorbs 2 molar equivalents of H2 on catalytic hydrogenatio...

A: Cyclobutene on ozonolysis gives butane diol and upon catalysis with 2 equivalent H2  gives cyclobuta...

Q: III. Complete the table below. Show complete solutions. Box/Encirce your final answers reported in p...

A: Given,  12.58 g KOH dissolved in 100 ml ethanol.  Mass of KOH = 12.58 g  Molar mass of KOH = 56.1 g/...

Q: Cathode is ... terminal. * Negative. Positive.

A:

Q: Which of the following structural formulas represent identical compounds and which represent constit...

A: Identical compounds are those having the same molecular formula and structure. Structural isomers ar...

Q: (Q105) Bromine monochloride gas forms from its elements with an equilibrium constant of 1.11 x 104 a...

A: Given reaction is :  Br2 (g) + Cl2 (g) <-----------> 2BrCl (g)  Equilibrium constant = Kc = 1....

Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

A:

Q: If pressure is expressed in atmospheres and volume is expressed in liters, PAVhas units of Latm (lit...

A:

Q: Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A:

Q: Use the systematic treatment to get the concentrations of all the species in a solution of: a.) sat...

A:

Q: When planes fly in cold weather, the planes need to be de-iced before liftoff. Why is that done? Exp...

A: Answer - According  to the question - planes fly in cold weather, the planes need to be de-iced befo...

Q: (b) Give detailed synthesis, properties and uses of Kevlar. (c) How symmetry of repeating units in p...

A: Introduction :  Crystallinity of polymer can be defined as the structure of polymer in terms of crys...

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...

A: 1) Br2 this molecule is non-polar as the dipole moment of the molecule is zero.

Q: PT#15  3.) Directions: Calculate the empirical and molecular formula of the given. Question: A com...

A: Molar mass of Carbon = 12.011 Moles of carbon = 26.5/12.011=2.21mol Molar mass of H=1.00784 Moles of...

Q: There are.... main methods for protection metals from corrosion Seven. Four. Two. O

A: During corrosion, metal reacts with Oxygen or water and forms metal oxide. During this process metal...

Q: at mass of

A:

Q: A chemist determined by measurements that 0.045 moles of calcium participated in a chemical reaction...

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: Answer in not more than 5 sentences per question 1. Discuss the a) direct method of weighing b) indi...

A: Note: You have uploaded 4 different questions at same time. But i can solve only 1st que As per Bart...

Q: What is the substance left in heating hydrocarbon? Explain.

A: What is the substance left in heating hydrocarbon?  explanation is given below.

Q: work done or

A:

Q: When connect between cupper and iron strips the state of corrosion is very rusty. O slightly rusty. ...

A: Among iron and copper, iron has less standard reduction potential than copper, due to which copper i...

Q: MeO. ZON A

A: Given reaction is electro cyclisation reaction. 

Q: 3. What is the molar concentration of a solution that is 28.15% HNO, (w/w) (MM= 63.01 g/mol)? The sp...

A:

Q: (b) Calculate the CFSE in following complexes: 1) Ni(NH3)j* (ii) [Fe(CN)s}*

A: Given,  Calculate the CFSE in the following complexes :  (i). [Ni(NH3)4]2+  (ii). [Fe(CN)6]3-   

Q: Write the formulas for the following compounds.

A: Molecular compounds are named with the first element first and then the second element by using the ...

Q: What is a carbenoid? Discuss and illustrate.

A: carbenoid is a reactive intermediate that shares reaction characteristics with a carbene.

Q: Which of the following molecules containing nitrogen and oxygen has identical empirical and molecula...

A: Please find your solution below : Molecular formula of a compound is a formula that shows the exact ...

Q: UV-VIS spectrum of lycopene shows four peaks located at 420 nm, 444 nm, 470 nm and 500 nm: 0.7 470 B...

A: The given information is of UV- Vis spectrum of lycopene four peak located at 420 nm, 444 nm, 470 nm...

Q: Calculate the activity coefficient, y, of Ni²+ when the ionic strength of the solution, u, is 0.085 ...

A:

Q: 2. Compute the number of oxygen atoms in 4.31 g of sucralose.

A: Given,  The mass of the sucralose = 4.31 g.  The number of oxygen atoms are:

Q: Prepared 8 M of HCL in 500 ml, that density is 1.19 g/cm3 and percentage * ?% w/w is 37 The volume n...

A: Option C is correct answer. The volume needed is327.06 ml.

Q: Liquid octane (CH;(CH,) CH;) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (...

A: Mass of carbon dioxide (i.e. experiment yield)  = 4.57 g  Mass of octane = 2.28 g  Mass of oxygen ga...

Q: Use the References to access important values needed for this question. Fill in the orbital energy d...

A: First write the electronic configuration of argon,then fill the energy diagram for argon.

Q: For the reaction below, Kc = 4.60 × 10⁻⁶. Note Kc is sometimes called K. What is the equilibrium con...

A: First of all we need to construct the ICE table. And using the Kc we can calculate the equilibrium c...

Q: Table 3b.1. Observations on the metal paper clip or needle placed on the surface of distilled water ...

A:  when we put tissue paper metal paper clip on it into the distilled water we found  that paper clip ...

Q: What are acids often using in .measuring alkalinity H2SO4 and HNO3. O H2S04 , HCI and HNO3. H2S04 an...

A: Sulphuric acid, hydrochloric acid and nitric acid most oftenly used in measuring the alkalinity of t...

Q: Aluminum reacts with iodine in the presence of hot water, to exothermically produce aluminum iodide....

A:

Q: (a) Calculate the number average and mass average molecular mass of a given sample of polyvinylchlor...

A: The molecular mass of polymers is expressed in two ways  1) Number average molecular mass (M¯n)  2) ...

Q: ALKENE/ ALKYNE REAGENTS(S) AND MAJOR PRODUCTS(S) CONDITIONS HBr

A:

Q: Which one hardness type that remain after boiling process. O Temporary hardness. O Permanent hardnes...

A: Given question is : Which one hardness type that remains after boiling process.  (a). Temporary hard...

Q: Solution 95% v/v of methanol with water means that. O 5 ml methanol in 100 ml water. O 5 ml methanol...

A: Given : V/V % of solution=  95% Volume by volume (V/v) percentage is defined as the volume of solute...

Q: Iron reacts with hydrochloric acid to produce iron(1I) chloride and hydrogen gas. Write the balanced...

A:

Q: Which of the following substances are likely to be soluble in water? a. Ag2O b. Ba(NO3)2​​​c. Fe2O3 ...

A:  A substances can be defined as the matter that contains only one particular type of  molecules or a...

Q: (b) What do you mean by enzyme catalysis? Derive Michaelis-Menten's equation?

A:

Q: Calculate AH and AE for the following reactions at 25 °C. Use standard enthalpies of formation from ...

A: ∆Horxn = ∆Hoproduct - ∆Horeactants    ∆E = ∆H - ∆ngRT         

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.