It is use to track or account the movement of electrons in a redox reactions and it is just a convention Select one: a. reduction number b. avogrado's number c. formal charge d. oxidation number

Q: Why are the carboxylic acid groups added in a syn orientation during hydrolysis for the following re...

A:   Carboxylic acids upon heating gives anhydride by elimination of water  If we hydrolyse anhydride ...

Q: d)the mole fraction of sucrose and water in 5.25% by mass sucrose

A:

Q: P. QUESTION 22 Which is true regarding the F-F bond in the compound F2? O it is ionic it is polar co...

A: Given, The F-F bond in the molecule F2 is:

Q: 1.) Convert 21.37 mL to L. Final answer into scientific notation 2.) How many years in 1 billion (1x...

A:

Q: Using the figure below, which points show an equilibrium? 1 atm liquid phase soid phase gas phase AT...

A: At the equilibrium point, the rate of the forward abd backward reaction will be equal. 

Q: how many hydrogen atoms are in 0.1488 of g phosphoric acid

A:

Q: A student prepared an equilibrium system using Fe(NO3)3 and KSCN, which reacted to produce iron(III)...

A:

Q: For each of these types of compounds: a. Predict which will be polar or non-polar b. List the type o...

A: Every molecule has London dispersion forces due to its molecular weight.

Q: Develop a general equation for the standard heat of reaction as a function of temperature for one of...

A: ANSWER : (a) C4H10(g) →CH2=CH-CH=CH2(g) + 2H2(g)Where:∆H for C4H10 =-125790 J∆H for C4H6 =   109240 ...

Q: Using the figure, Identify the normal boiling point of the pure solvent. 1 atm liquid phase sofd pha...

A: Hence 1st option is correct that is point 1

Q: What is the concentration of cobalt in mM?

A: The data given is,

Q: O2N. NO2

A:

Q: Name 33 common elements and their predominant species in the environment

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Q: 1. Give the structures of the products obtained when the following are heated: Ph Me OMe b. a. O2N P...

A: pericyclic reactions

Q: What is the molar absorptivity of copper at λmax of cobalt?

A: The data given is,  

Q: 1 Why did the addition of an unknown substance change the freezing point of naphthalene?

A: Freezing point change is a colligative property,that is freezing point change depend on no of ions p...

Q: A solution for disinfecting clinical thermometers was prepared by dissolving 22.5 g of ethyl alcohol...

A:

Q: Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution...

A: Given: Mass of sodium carbonate i.e. Na2CO3 = 9.25 g. And mass of silver nitrate i.e. AgNO3 = 5.50 g...

Q: deviation from Raoult's law, then: a. The mixture will not reach a definite boiling point b. The sol...

A: The correct options are:  

Q: Devise a synthesis of the following compounds starting from benzene.

A: The compound to be synthesized is 5-Bromo-2-nitroaniline. Step 1 Treating benzene with nitrating mix...

Q: How much eugenol is found in cloves?

A:

Q: Complete the balanced dissociation equation for the compound below in aqueous solution. If the compo...

A:

Q: Given the following data and the Amax determined in the previous questions, determine: 1) the molar ...

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only. ...

Q: Give the IUPAC name for the following compounds.( Aldehdye and ketones)

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost...

Q: 1) Write the general rate law equation for the reaction Acetone (C,H,0(a) + Haa) + lodine (1z(aq)) C...

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) The reaction ...

Q: Consider the following reaction where K. = 7.00x10"5 at 673 K. NH4I(s) NH3(g) + HI(g) A reaction mix...

A:

Q: Use the Bohr model to calculate allowed energy levels of one-electron atoms Is there an energy level...

A:

Q: Moles of borate present (mol) [Borate] (M) Ksp In(Ksp) 1/T(K-1)

A:

Q: Find the volume in mL of an object that has a density of 10.2 g/L and a mass of 30.0 kg.

A: Density is the ratio of mass and volume. Given density = 10.2 g/L  mass = 30.0 kg

Q: What is the molality of a solution containing 75.5 g sucrose in 400 g water? Show your solution.

A:

Q: The Atomic spectra is divided into three groups. of spectral lines which group is depicted by the il...

A:

Q: 8. Since all of the components of this rea written as a Kp value. The equation to the gas constant (...

A: Given : Note: Since Kc has been calculated in question 7. I am assuming it to be correct. We have to...

Q: Which of the following best describes what occurs at absolute zero? A. Water begins to freeze. B. Mo...

A: As we know tha absolute zero which  has the   temperature of 0 K or - 273.15 °C . It is Also known a...

Q: The rate of a certain reaction is given by the following rate law: rate =k[N,[H,° Use this informati...

A:

Q: Give systematic names for the following compounds C D and E only

A:

Q: Rank the atoms represented by the following sets of subatomic particles from smallest to largest in ...

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the n...

Q: What is the molar absorptivity of cobalt at λmax of cobalt?

A: The data given is,

Q: None of the above

A:

Q: A rock is 17.5% by mass fayalite (Fe2SiO4), 17.6% by mass forsterite (Mg2SiO4), and the remainder si...

A: Answer: First of all we will calculate the mass of each element in fayalite, frosterite and silicon ...

Q: Copper Amax cobalt|Amax copp oncentration, mM 20.00 40.00 60.00 0.177 0.382 0.518 0.2 0.4 0.7 80.00 ...

A: Given : We have to calculate the concentration of cobalt and copper.

Q: What is the molecular formula if the empirical formula is C2H5 and the molecular molar mass is 58.14...

A: Empirical formula = C2H5  Molecular molar mass = 58.14 g/mol  Molecular formula = ? 

Q: The Atomic spectra is divided into three groups. of spectral lines which group is depicted by the il...

A: The electronic energy levels in an atom are quantized and when an electron undergoes a transition fr...

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an acti...

A:

Q: 3. In a material that can undergo a positional ordering phase transition, is an ordering transition ...

A: Positional ordering refers to the extent to which molecules shows transitional symmetry.

Q: How to calculate the volume at 20 degrees celsius of 695 grams of liquid with density 1.20 g/mL?

A: The mass per unit volume of a substance is known as the density of the substance. The density of a s...

Q: allowing them to form bonds D. water molecules ionize more slowly than metal ions in the sample   ...

A: The correct options are:  

Q: A strip of magnesium metal weighing 25.0 grams is combusted with 32.0 grams of oxygen gas in the air...

A: Mass of Mg metal strip = 25.0 grams. Mass of  oxygen has = 32.0 grams.  Stoichiometric ratio of bala...

Q: What is the molality of 30% by mass CaCl2 solution?

A: Given :- % by mass of CaCl2 = 30% To calculate :- molality of solution 

Q: the primary barrier towards the broad adoption

A: In this question we have explainte primary barrier towards the broad adoption of FTIR in midle of 20...

Q: 7. Freezing point of pure Naphthalene from cooling curve- 8. Freezing point of solution 9. AT 10. Mo...

A: