Under what circumstances are ΔE and ΔH essentially equal? a) ΔV=0 (there are the same number of reactant and product gas molecules). b) the rate of the reaction is extremely high such that reactants are quickly depleted. c) the temperature is constant

Q: How does a chemical reaction obey the law of conservation of matter? A The same number of molecules…

A:

Q: Titanium metal is used as a structural material in many high-tech applications such as in jet…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Therapeutic Classification of Lemon Grass Fluidextract Indication for Lemon Grass Fluidextract

A: Lemon Grass Fluidextract is a liquid extract made from the leaves of the lemon grass plant…

Q: The density of a mixture of fluorine and chlorine gases is 1.77 g/L at 14°C and 0.893 atm. Calculate…

A: Here is your answer........

Q: Q8:- Draw general formula of the following 1- Grignard reagent Q9:- Circle the best answer in the…

A: Nucleophilic substitution reactions are those in which one nucleophile is substituted by another…

Q: In the reaction H2CO3 + H2O↔HCO3- + H3O+ The Bronsted acids are     H3O+ and H2CO3     H2CO3…

A: According to Bronsted-Lowry concept of Acid-Base, an acid is a substance which donate H+ ions and…

Q: 6.27 Draw the products of homolysis or heterolysis of each indicated bond. Use electronegativity…

A:

Q: 3. The overall order of reaction is the product of the individual orders of reaction for each…

A: Order of a reaction: It is the relationship between the rate of chemical reaction and the…

Q: Acrylonitrile and ethyl acetate have the same boiling point: 77.2ºC. In one to two sentences,…

A: The distillation process converts the liquid to vapor form, followed by condensation with cold…

Q: A major component of gasoline is octane (C&His). When octane is burned in air, it chemically reacts…

A: Given, A major component of gasoline is octane (C8H18). when octane is burn in air it chemical…

Q: mol CO₂ STARTING AMOUNT 81.7 81.7 mol COz * X 81.7 g 0₂ 32.00 mol O₂ X 81.7 32.00 1 mol CO₂ 2 mol O₂…

A:

Q: Add a lone pair to NH3. Add a formal charge, if applicable.

A:

Q: What is the structure of the intermediate formed upon reaction of a N-Boc protected amino acid with…

A: The correct option is fourth structure. Boc(tert-butoxycarbonyl) is a protecting group. It is used…

Q: Fill in the missing information: symbol 2+ Mg atom or lon? check all that apply neutral atom neutral…

A: Simple rules can be used to calculate the number of protons, neutrons, and electrons in an atom.A…

Q: Write a procedure that a laboratory technician could use to prepare 2.0 L of 0.25 mol/L sulfuric…

A: “Since you have asked multiple question, we will solve the first question for you. If you  want any…

Q: Draw the Lewis structure for SCI 2. Draw the Lewis structure for CIO 3 Draw the Lewis structure for…

A: Lewis structure:-Lewis structure is the representation of the structure of a compound or molecule…

Q: Give an example of an organic chemistry laboratory process that involves medium to high severity and…

A: Working in an organic chemistry laboratory generally involves synthesis of organic compounds that…

Q: For the equilibrium Al(OH)3(s) Al³+ (aq) + 3 OH(aq) Ksp = 1.3 x 10-33 a. What is the minimum pH at…

A:

Q: [C.] initial concentration - ? [C] final concentration - 0.8g.ml-1 K rate constant - 0.4min-1…

A:

Q: discuss the practical methods of preparation of naturad dyes, their physical properties and their…

A: Natural dyes are derived from plants, insects, and minerals, and have been used for centuries to…

Q: The solution has a volume of 100 ml, and the adsorbent weights 150 mg. Find the Langmuir equation,…

A: Expt No. Ci (mg/l) Ce (mg/l) 1/Ce qe (mg/g) = ((Ci-Ce)/w) x V  1/qe 1 10 2.4 1/2.4 = 0.4167…

Q: 33) Which one of the following reaction is NOT an example of ipso-substitution? (a) CI OH (b) (c)…

A: Ipso substitution are the aromatic substitution reactions in which the attacking species attacks at…

Q: The rate constant for the reaction 2NO2 → 2NO + O2 is experimentally determined to be 0.153 mol−1…

A:

Q: Fill in the blank. Weak bases ______________ in water. a. fully dissociate b. partially dissociate…

A: According to Arrhenius base is a substance which can give up hydroxide ion when dissolved into…

Q: Give a retrosynthetic analysis and suggest two synthesis of the target molecule (on the left) from…

A: The retrosynthesis of  3-cyclohexyl-2-methyl propane-1-ol from 2-phenyl acetonitrile is as shown…

Q: Q11: Describe the following chemical reactions as S1 or S,2, then draw the mechanism 2. Ymer KCN…

A:

Q: Assuming that Coca-Cola has the same specific heat as water [4.18 J/(g⋅∘C)], calculate the amount of…

A:

Q: Please specify what the correct answer is.

A: Given,Mass of neon, Ne atoms = 32.0 gRequired,                   Number of Ne atoms are present in…

Q: What is the major product of the following reaction? OB. Oc D. HO CH3 НО OH -MgBr THF

A:

Q: identify the structure of the hydrocarbon  Please provide only typed answer solution no handwritten…

A: A question based on Mass spectroscopy. A spectrum of hydrocarbon with molar mass 114 is prescribed…

Q: What is the skeleton equation for sodium flourides reaction?

A:

Q: What mass (g) of sodium hydrogencarbonate would be required to completely neutralise a typical ant…

A: An ant injects a fluid that contains 50% by volume of methanoic acid when it bites. An average ant…

Q: 3. Calculate the index of hydrogen deficiency of each compound. a) Calculate the index of hydrogen…

A:

Q: Q22. Explain A. BF3 is a weaker Lewis acid than BC13? B. The structure and reactivity of B₂H6 is…

A: Lewis acids are electron acceptor.B has vacant P orbital so it can act as lewis acid.

Q: 6.5 10 Without looking at a table of bond dissociation energies, determine which bond in each pair…

A: Bond dissociation energy:- The minimum amount of energy which is required to break a bond is known…

Q: 10. What property would be appropriate to measure the reaction rate in the following reaction: N2(g)…

A: Property which is appropriate to check rate of following reaction.

Q: 11. What is the correct equilibrium constant equation for the following equilibrium? CaCO3(s) CaO(s)…

A: Since, Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: A. I and III B. II and III C. I and IV D. III and IV Q18. How many (single o, n,) bonds are in the…

A:

Q: 4. An ineffective collision is one that has sufficient energy and correct orientation so that the…

A: Answer:  According to collision theory :

Q: Write the chemical formula of the following coordination comopunds. a. Tetraaquadibromotitanium(IV)…

A: Answer :

Q: SHOWS THE COMPLETE REACTION MECHANISM FOR THE FOLLOWING REDUCTION:

A: •Given reaction:-

Q: 13. The pH of a 0.05M solution of H₂SO4(ag) at 25°C is_ 14. The pH of a 0.20M solution of KOH at…

A: pH is the measurement of hydrogen ion concentration of a solution. It is measure of acidic or basic…

Q: please answer the following questions A) Use the kinetic molecular theory to explain why gases are…

A: A). The greater compressible nature of gases compared to liquids or solids is explained by the…

Q: 11.1 Draw the major product(s) for the reaction below. Ignore stereoisomers. HCI 11.2 Draw the major…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Fast pls i will give u like for sure solve this question correctly in 5 min

A: For resonance to occur there must be proper conjugation with vacant orbital of the atom . During…

Q: Which of the following numbers has three sig figs? O250 mL O 0.0123 mL O10023 mL O All of the above

A: There are some rules for determining the significant figures.  These are :  A. All the non-zero…

Q: 6- A compound with 2 degrees of unsaturation could have in it. a-all single bonds b- a double bond…

A:

Q: Give a correct possible combination of four quantum numbers (n, l, ml, ms). 1. 3s (___, ___, ___,…

A: The arrangement of an electron in a atomic orbital is called electronic configuration.  Electron…

Q: Which type of chemical reaction must be predicted using solubility rules? A synthesis B…

A: Answer:- Solubility rules are applied when the salts formed during a chemical reaction. So, when the…

Q: Question The simplest carboxylic acid is methanoic acid (or formic acid), HCOOH, which occurs…

A: Given , Volume of methanol injected =6.0×10-3mL