Br + Br2 Br + Br2

Q: 2- What is the oxidation number of chromium in the dichromate ion, Cr2 O7 ? +3 +8 O+12 O+2 O+6

A: Let the oxidation number of chromium be x and oxidation number of oxygen is -2 We know that addition…

Q: ) Determine the enthalpy change for this reaction:  2NaOH(s)+CO2(g)→Na2CO3(s)+H2O(l)

A: Given : We have predict the enthalpy change for the given reaction: 2NaOH(s)+CO2(g)→Na2CO3(s)+H2O(l)

Q: Draw the Lewis structure of cyanide ion (CN-). (Step-by-step process).

A: Interpretation - To draw the Lewis structure of cyanide ion (CN-).

Q: The standard enthalpy change for the following reaction is 804 kJ at 298 K. TiCl4(l) Ti(s) + 2…

A: The "enthalpy change" always reflects the heat energy which gets out (absorbed) or gets absorbed…

Q: what is the enthalpy change per mole of CO2 for the following reaction? CO(g) + 1 /2 O2(g)  CO2(g)

A:

Q: 4. Part B.2. a. Identify the chemicals necessary to produce CO2(g). b. Writ equation for the…

A: Following is the chemical equation of preparation of Carbon dioxide (CO2) in laboratory.

Q: What is the oxidizing agent in the reaction Zn + 2 H⁺ → Zn²⁺ + H₂?

A: An oxidizing agent, gains electrons and is reduced in a chemical reaction. The oxidizing agent is…

Q: Complete and balance the following direct union equations. а. К+ Brz b. Mg + 02 → С. H2 + Br2 > d.…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Balance the following equations and identify the type of chemical reactions.  N₂03 → N₂O4 +0₂

A: A chemical equation, where the reactant entities are given on the left-hand side and the product…

Q: Which blue mark is the most electrophillic?

A: Electrophilic means species having affinity for electron i.e  tendency to accept electron.

Q: What would be the proposed steps for the following?

A: Dear student,we are allowed to answer only one question at once,if you want the second question to…

Q: Reaction type: 2. Cu(NO,), + NaOH →

A:

Q: determine which of the following substances are capable of oxidizing Br- ions? a) Cl2 b) H + c) Ni2…

A: Let's have a look at electrochemical series first:

Q: 5. Which one of the following options is the least reactive? F) Magnesium G) Silver H) Tin I) Sodium

A:

Q: In the reaction Conc.H,SO, OH → P (Major) Pis

A: In reactions, rearrangement takes place to form more stable cation or to expand the ring.

Q: 32. The illustration below graphs energy during the formation of a covalent bond. Where can you…

A: When we give heat or light energy to any process, then the process will be endothermic.

Q: Calculate the amount of heat absorbed when 63.5 g of NO is produced. N2g) + O2(g) → 2NO2)…

A: Mass of NO = 63.5 g  ∆Hrxn = 180.5 KJ/mol. The amount of heat absorbed when 63.5 g NO is produced =…

Q: SNu Br Br Br

A:

Q: Considering only electron density, state whether the following reactions will occur.

A:

Q: Br HBr OH

A:

Q: 2. Calculate the AH for the reaction: N₂O4 + CO N₂O + CO

A:

Q: Given pieces of Zn and Al, and amounts of ZnSO4 and Al(SO4)3 solutions, what combinations of these…

A: As we need to illustrate that Zn is less reactive than Al, so we need to prove that Zn don't react…

Q: Considering only electron density, state whether the following reactions will occur.

A: a) Since in the OH- we have high electron density as it has -ve charge and in the other molecule the…

Q: OXIDIZED 3 Hg2+ + 2 Fe (s) → 3 Hg2 + 2 Fe3+

A: Given reaction is :  3Hg2+ + 2Fe (s) ---------> 3Hg2 + 2Fe3+  What is the substance which…

Q: Explain the chemical bonding between Ca and Cl atoms with the help of Lewis electron dot structure?

A:

Q: which one of the following is most stable in water : a  lithium iodide b  lithium bromide c  lithium…

A: Lattice energy is the amount of energy released when a crystal lattice is formed by the combination…

Q: Calculate ΔHo for each oxidation reaction. Attached equation is balanced as written; remember to…

A: Given:

Q: Reaction type _Na+ _O₂→ _Na₂O

A: Given that, Na + O2 ---> Na2O

Q: Will the exact amount of potassium hydroxide be critical to this reaction and why?

A: The given reaction is a bimolecular elimination reaction where the bromine is eliminated when OH-…

Q: Br H2O lo prodect mayor HO Br or OH AO OH

A: Br2 and H2O add -Br and -OH group respectively to the double bond. The addition follows the…

Q: 3. Assign SN1, SN2, E2 to the reaction below. NaO'Bu CH,Br SN1 SN2 E2 no reaction

A:

Q: Mg(OH)2 Reaction Type: S O, SD, DD, or C?

A: The above reaction is an acid base reaction and also be referred as the double displacement…

Q: Peracid E (Major product) Dichloromethane

A: Reaction of ketone with peracid forms ester, and this reaction is known as Bayer-Villeger…

Q: Calculate the minimum energy (kJ) required to decompose 765.0 g of PCl3, according to the reaction…

A:

Q: CO,H Br

A:

Q: Complete the reactions by predicting the product/s: 2Na+ Br2 → a. Na2Br b. 2NaBr c. no…

A:

Q: What are the oxidation numbers of nitrogen in the reactants and products of this reaction? a)NH4+…

A: Oxidation number is the imaginary or fictitious charge developed on an atom if all shared electrons…

Q: What happens in this reaction? 3Zn(s) + 2Cr3*(aq) 2Cr(s) + 3Zn2*(aq)

A: The species whose oxidation number increases is oxidized  The species whose oxidation number…

Q: Which of these reactions does not occur? -) NICHS CH₂OH OCH₂ c) 808 / Ho a ca CHÍNH, 90

A: The reactivity of the acyl compound depends on the partial positive charge present on the carbonyl…

Q: Which of these reactions is possible? (A) Cu +H,SO, C) Pb + SnCl, CuSO, +H, (B) SnO+ Cu CuO+Sn P6CI,…

A: A reaction in which two or more atoms chemically combine together to form a new compound is called a…

Q: e electrochemical couples written? C ms reductant and oxidant.

A: In electrochemical cell, Oxidation half cell is written in left hand side and reduction half…

Q: What is ΔH for the following reaction? SiO2(s) + 2 Cl2(g) → SiCl4(l) + O2(g)

A: Jdsj

Q: NBS ROUR HBr ROOR Br NBS

A: In All three reaction free radicals are formed

Q: 80. Which one of the following metal oxides does not usually react with sodium hydroxide? (a) Copper…

A: Sodium hydroxide (NaOH) is basic in nature, so it reacts with compounds which are acidic.

Q: Which of the following species will be oxidized by 1M HBr? a. Na b. Hg c. Mn2+

A:

Q: Calculate ΔHo for each oxidation reaction. Attached equation is balanced as written; remember to…

A: The given reaction is represented as follows:

Q: Determine the value of heat of reaction for the following: Cl(g) +O3(g) ClO(g) + 0,(g) kJ AH rxn =…

A:

Q: The standard enthalpy change for the following reaction is 804 kJ at 298 K. TiCl4(l) Ti(s) + 2…

A: Since as per the Hess's law, the enthalpy change of any process changes its sign if the reaction…

Q: Consider the following reaction : Cu2+ + Sn à Sn2+ + Cu Which of the statements below is true?

A: