(a) Zn (s) + HCl(aq)-> ZnCl2 (aq) + H2(g) (b) Na (5) + H2504 (aq) > NA2SO4 (aq) +H2(g)

Q: The Pauling electronegativity of Cl is 3.2 while that of Br is 3.0. Estimate the bond dissociation…

A: Given :  EN of Cl : 3.2 EN of Br : 3.0  BDE of Cl-Cl = 160 KJ mole-1  BDE of Br- Br = 224 KJ mole-1

Q: Which of Wha bllawing complubes felows the 18 electrons Rule 7 Number of electnons Ansuer 3ど+ 8c+23c…

A: Total number of electrons surrounding the central atom should be 18 then it will be a stable…

Q: H.W: Calculate the M.Wt. for : Ca(OH),, NaHCO, MgSO,7H20

A: we have to use general math

Q: -. CaC . NF, 1. Ca Са

A: State whether the following compounds are ionic or covalent CaCO3 Zn(OH)2 AgSO3

Q: netional groups 3. 2. 4. 5. OH

A:

Q: What is the link between IMFA strength and the physical properties of covalent molecules? Answer in…

A: The link between IMFA strength and the physical properties of covalent molecules.

Q: 205.0 (6) 0 130.6 S(J/mol.K). 188.7 (6) O'H (6) H Gouersans (6) O'HZ - (6) O (6) "HZ +.

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: nd 107.0 kPa? * D 47.3 g/mol DNone of these is correct.

A: Note : As per guidelines allowed to answer  first one  Ideal gas equation : It is the hypothetical…

Q: 5. Predict the products of the reaction and estimate the enthalpy of reaction for: F3B-S(CH3)2 +…

A:

Q: AH°F (kJ/mol) S (J/K-mol) Substance Охуgen 205.0 O218) 69.91 H2O) -285.83 Sulfur 31.88 Sulfur(s,…

A: (a) 2S (s, rhombic) + 3O2(g)-----> 2SO3(g) (b) S (s, rhombic) + O2(g)-----> SO2(g) (c) 2SO3…

Q: ectiv

A: According to the question, we have:  10% dextrose in water means 10 gram dextrose in 100 ml water.

Q: Thallium is a very toxic element. Ion Tl+ is prone to form strong compounds with sulfur- containing…

A:

Q: CHEMISTRY 3A - WORKSHEET 5 --- CHAPTERS 3 and 12 1. Name the following compounds. MgF2 a. P2O5 SiO2…

A: According to guidelines i can answer only first question, please repost the other one.

Q: How much heat would need to be removed to cool 50.3 g of water from 25.6°C to -10.7°C?

A: Since in the cooling process, the steps will be  1) cooling of liquid from  25.6°C to 0.0 °C  2)…

Q: stoichimetric

A: According to the question, we need to determine the stoichiometric ratio of Fe3O4 in Fe2O3.  Let the…

Q: MasteringChemistry: CHE154 x Sat Poarson Player Smart Pearson Player MasteringChemistry: CHE154 P…

A: For the given reaction :            Initial concentration of COCl2 = 1.6 M Equilibrium…

Q: A. CO32- and carbonite ion

A: Other options are correct. CaCl2and calcium chloride FeS and iron (II) sulfide NH4NO3and ammonium…

Q: Vanadic ion, V3+, forms green salts and is a good reducingagent, being itself changed in neutral…

A: Oxidation state of V in V(OH)4+ is +5 and Oxidation state of V in V2(SO4)3 is +3. Given…

Q: -The mesomeric form of succimer is the active chelating form that is used to chelate trivalent…

A: 1.  False Both DL and meso isomeric form of succimer (2,3-dimethylmercaptosuccinic acid) is used to…

Q: What is the K spexpression of Ba(IO3)2?

A: Given Ba(IO3)2 whose Ksp expression is to be determined.

Q: Calculate AS,º for NH3(g). AS:º = i JK-1

A: To calculate ∆S°f for NH3 (g) , we would first write a reaction for formation of NH3 (g) . Then…

Q: nediamine (CH16N2) is one of the starting materials for the p red from adipic acid (CGH1004) by the…

A: Molar mass of adipic acid = 146 g Molar mass of C6H16N2 = 116 g Form balanced reaction,  146 g…

Q: 0.340 M AI(NO.),. Express your answer with therppropriate unlts. View Avallable Hint(s) empyteymbole…

A: Molarity is the number of moles of solute dissolve in ine litre of the solution.

Q: Using the following data, estimate AHF° (in kJ/mol) for potassium chloride: K(s) + ½ Cl2(g) →…

A: Given values: Lattice energy of KCl = -690 kJ/mol Ionization energy of K = 419 kJ/mol Electron…

Q: Pb Zepplin drew the following structure for CO, tell me why the structure is incorrect and the…

A: The carbon dioxide molecule has two double bonds between the carbon and oxygen atoms. And each…

Q: Without doing any calculations, rank the systems in order of increasing Kc. Designate 1 as the…

A: Using the equilibrium concentration of reactants and products, concentration equilibrium constant,…

Q: The ionization constant for HNO2 is 2.70 x 10-6 at 25 oC. Determine the standard free energy change…

A: The expression for standard free energy change is given below, R is the universal gas constant, T…

Q: What is the enthalpy of reaction (in kJ/mol rxn) for CaCO3(s) → CaO(s) + CO2(e) if Ca(s) + Cgraphite…

A:

Q: When the anion of the amino acid glycine, H2NCH2CO2-(gly-), reacts with cobalt(III) oxide, both the…

A: When the anion of the amino acid glycine, H2NCH2CO2-(gly-), reacts with cobalt(III) oxide, both the…

Q: Part B: Which of the following compounds are efflorescent, hygroscopic or neither? Nature of the…

A: Efflorescent compound; When aqueous vapour pressure is greater than the vapour pressure of water in…

Q: How will you separate Kα and Kβ X-ray lines of Cu?

A: When an electron releases energy as a photon of light, it came back to its original position. The…

Q: How many grams of potassium citrate (C6H5K3O7 * H2O - mw 324) should be used in preparing 500 mL of…

A: Moles of solute per unit volume is known as Molarity

Q: What is Lambda max and why do we need it?

A: Note:  you have posted 2 different questions at same time. But As per bartleby guidelines I can…

Q: Determine the Ecetu values for the following (Chang, 2010) a. Zn(s) | Zn* (aq) || Fe* (aq), Fe2*(aq)…

A: Standard data: E°(Zn+2|Zn) = -0.76 V E°(Fe+3|Fe+2) = 0.77 V

Q: Calculate CFSE of K2[Fe(NCS)5]

A: It is given that a complex K2[Fe(NCS)5] needs to be calculated, To calculate the oxidation state of…

Q: (b) Provide the missing components from the following : Me NH NaOMe MEOH E (1) H2N r.t. POCI3 DCM,…

A:

Q: For the following reaction, calculate the value of Q. 4A + 2B - 3C [A] = 0.85 [B] = 0.24 [C] = 0.54

A: The amount of reactants and products ,relative to each other in a chemical reaction is called…

Q: Consider the Ellingham diagram shown below. Choose the INCORRECT statement among the following…

A: Ellingham diagram is the graph plotted between ∆G° and Temperature for the formation of oxide for…

Q: Given the reaction: 2X + Cr2O3 → X2O3 + 2Cr  Which of the following could be X? A Al B Ni C Sn D…

A:

Q: to have .96 mg L. How many grams of reagent grade sodium arsenate (Na2HAsO4 7H2O; MW = 312.01) would…

A: Final…

Q: 7. if it gains electrons, it has been reduced A. True  B.False

A: The given statement is true or false has to be explained,

Q: i east.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take Chapter 6…

A: Solved

Q: Q-21 Explain the a) Crystallization of Sugar. b) Rusting of Iron.

A: The process of the formation of crystals of a substance is known as crystallization. It is carried…

Q: What would be the observation following mixing BaCl2 and Pb(NO3)2?

A: Mixing of BaCl2 and Pb(NO3)2  Pb(NO3)2(aq) + BaCl2(aq)  -> PbCl2 (s) + Ba(NO3)2 (aq)

Q: What would be the potential of the couple at 22°C when [Sn4+]=1.00×10-6M and [Sn2+] = 0.89M?

A: The Nernst equation is shown below: Where; Ecell = electrode potential at any condition E0cell =…

Q: )Given the following reactions Fe 03 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g) AH = -48.0 k 3Fe (s) + 4CO2…

A:

Q: ASSume an excesS of of Zn? t Iz fac) +Zn Iz faa) 2.

A: Mole of a substance or a mole of a particles is defined as exactly 6×10^23 particles which may be…

Q: 2. Predict the sign (positive or negative) of AS° for each of the following a.) 2Ca(s) + O2(g) → 2…

A:

Q: MCQ 38: The temperature at which thermal decomposition of metal carbonates of Group I takes place A.…

A:

Q: Calculate the following: a. EO b. Δ6- C. kea = 2. РЬ + Fe* Fe* S;0 + Pb - 2s0, + Pb* 4.

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.