how the following balanced in order for me to understand? Thank you!    Cr+ O2 -> Cr2O3 Cu2S + O2 -> Cu + SO2 MgO + Fe -> Fe2O3 + Mg

Q: Infrared radiation is higher in energy than UV radiation. True O False

A:

Q: Ethane and ethyne can be differentiated using Bromine water test and oxidation of KMnO4.  True or…

A: 1) bromine water test Ethane gives negative bromine water test while ethyne will give positive…

Q: Determine the pH level

A:

Q: The rate equation for the reaction A→B + C is expressed in the forms of rate of disappearance of A =…

A: The rate of disappearance of A = k [A]x. Rate constant = 0.100  [A] = 0.050 mol/L.  For second order…

Q: Concentration of F2 at equilibrium - Concentration of H2 at equilibrium -

A:

Q: Would you expect 1-propanol to be soluble in water? Would you expect 1- heptanol to be soluble in…

A:

Q: Hydrogen bromide is a strong electrolyte in water. What is the boiling point elevation of a solution…

A: Boiling point of water is 100 degree celcius

Q: The rates of many reactions approximately double for each 10°C rise in temperature. Assuming a…

A:

Q: The oxidation state of osmium (Os) in OsO4 is а. +7 b. +8 C. +4 d. +6

A: The oxidation state of osmium (Os) in OsO4 = ?

Q: Consider the phosphorous atom (P), then fill in the blanks and answer these questions. There are…

A: In the phosphorous atom, there are 5 valence electrons.

Q: At a certain temperature, the reaction 2HF(s) = H2(g) + F2(g) has K. = 1.2 x 10-13. Does this…

A: A larger value of equilibrium constant (Kc) indicates that the reaction proceeds far towards…

Q: https://pasteboard.co/0afMgF1vi1jX.png

A: The distribution coefficient (D) is defined as the ratio of concentrations of a compound partitioned…

Q: How many grams of NH3 can be produced from 40.0 grams of CaCN2? CACN2 + 3H20 CACO3 + 2 NH3

A:

Q: OH А. HOʻ С. D. H B. A.

A: Since we know that Tollen's test given by aldehyde... Tollen's reagent is known as silver ammonical…

Q: Calculate the mass of glucose required to prepare 200 ml of a 25% (m/v) glucose (C6H12O6) solution.…

A: Volume = 200 ml  Mass by volume percent = 25 %  Mass of glucose = ?

Q: Four test tubes containing different hydrocarbons: acetone, benzoic acid, cyclohexane, and…

A: Given that, four test tubes containing different hydrocarbons: acetone, benzoic acid, cyclohexane,…

Q: Arrange the following compounds based in decreasing solubility in 5% HCl: `NH N-CH3 O,N- NH2 II II…

A: Solubility is the property of dissolution of a solute in a solvent to form a solution.

Q: Solve for the pH level of an acetate buffer. Given that it contains 500.0 mL of 0.4481 M acetic acid…

A:

Q: Carboxylic acid contains -OH and a C=O. a True b False

A: Carboxylic acid contains -OH and a C=O.

Q: Question 21 An unknown sample of Cu2* gave an absorbance of 0.262 in an atomic absorption analysis.…

A: Beer's law states that the absorbance is directly proportional to the concentration of the absorbing…

Q: A pleasant-smelling liquid having a boiling point of 101°C was subjected to IR Spectroscopy to…

A:

Q: The reaction N204(g) = 2NO2(g) has a K, = 0.140 at 25 °C. In a reaction vessel containing the gases…

A:

Q: 4. Aspirin is one of the products when you mix Salicylic acid and Acetic anhydride. One kilogram of…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: The equilibrium constant, K, for the following reaction is 10.5 at 350K. 2CH2CI2(g) CH4(g) + CCI4(g)…

A: Kp is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: Blank 1 is a cheap material used to create buildings, bridges, and other massive constructions.…

A: Concrete consists of mixture of aggregates i.e.sand , gravel, portland cement water.

Q: Pesticide residues were found in a lot of oranges; the compound identified was the epoxide of…

A: Given data:

Q: HO HO,

A: ->Acid reacts with alcohol in presence of acid and form ester it is called fischer esterification…

Q: Use the References to access important values if needed for this question. he equilibrium constant,…

A: 2NH3(g) <==> N2 (g)+ 3H2(g) PNH3 = 0.588 atm PN2 = 0.774 atm Kp = 2.20 x 104 V = 11.8 L T =…

Q: A student performed titration of an unknown reducing substance (molar mass 200. g/mol) in a sample…

A: Answer: This question is based on the calculation of molar concentration of unknown sample with the…

Q: Identify the number of Nitriles present in the molecular structure. N N. N-

A: The functional group is the atom or group of atoms which is present in the Molecule , and…

Q: For reaction 2Y -> Y2  , where Y represents reactant, the rate constant was found to be second order…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: ,what is the age of the wine?

A: We know for radioactive decay. Nt=N0e-kt Where, Nt= no of radioisotopes at any given time. t=t N0=…

Q: Consider the following reaction where K. = 1.29x10-2 at 600 K: COCI2 (g) co (g) + Cl2 (g) A reaction…

A: Given-> Kc = 1.29 × 10-2 Mole of COCl2= 0.113 mole Mole of CO = 4.94 × 10-2 mole Mole of Cl2 =…

Q: Find out the first row transition metals (M) for the following compounds (all of them obey 18e rule)…

A:

Q: Calculate the root-mean-square velocity, in m/s, for a neon atom at 12.1°C. The universal gas…

A: The formula for the root mean square velocity of any atom is given by:

Q: Which of the following organic compounds is the least soluble in water? A. CH3CH2COCH2CH3 B.…

A:

Q: The rate equation for the reaction A→B + C is expressed in the forms of rate of disappearance of A =…

A:

Q: 50.00 mL of 0.0275 M HCl solution was titrated with 0.1500 M NaOH. Calculate the pH of the analyte…

A:

Q: Examine the following equilibrium table for the reaction shown at the top of the table. CO(g) +…

A:

Q: Using the figure below, match the name of the parts of Fourier Transform Infrared Spectrometer found…

A: A question based on absorption that is to be accomplished.

Q: What is the IUPAC name for the following compound? CI 4-ethyl-3,5-dimethylhexanoyl chloride O…

A: First identify functional group. Choose longest carbon chain. Numbering of molecule. Position of…

Q: Degree of saturation with 5 ml of water in a test tube A, with small amount of sugar. what will…

A: Saturated solution is solution formed when maximum amount of solute is dissolved in that amount of…

Q: The material with lowest density is: O a Metals Alloys Oc Polymers Od Ceramics O e Composite…

A: 1. Nichrome is used for making heating element of electrical appliances. Because nichrome does not…

Q: How much faster will a reaction be at 40 °C than at 25 °C, when its activation energy (Ea) is equal…

A: Given-> T1 = 40°C = 40 + 273.15= 313.15K T2 = 25°C = 25 + 273.15 = 298.15 K Activation…

Q: Answer the following: Determine the pH level of a solution that has 0.02372 M of Formic acid, given…

A:

Q: (b) alpha emission from einsteinium-252 Es + -{ e → jet 252 252 99 Cf 98 252 Es → 99 252 e + 100 Fm…

A: Alpha emission is a type of radioactive decay in which an alpha particle is emitted.  General…

Q: The reaction N2O4(s) == 2NO2(3) has a Kp = 0.140 at 25 °C. In a reaction vessel containing the gases…

A:

Q: Which of the following is needed to form a coordination compound ? a. complex ion b. Arrhenius…

A: coordination complex consists of a central atom or ion, which is usually metallic and is called the…

Q: O2  collected over water at 40°C and total pressure of 745 mmHg, what volume of gas is collected for…

A:

Q: Calculate the Molarity of 0.0786 moles Aluminum dichromate, Al>(Cr,07)3 when dissolved in 2 L…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.