Ice melts at 273 K. The enthalpy of fusion of water is 6.35 KJ/mol. The entropy of melting 1 mole of ice would be: a) 0.23 J/K   b) 23 J/K  c)  6 J/K   d)  42.99 J/K

Q: A Zn wire and Ag/AgCl reference electrode saturated with KCl (E = 0.197 V) are placed into a…

A:

Q: trans-Pt(py)2(Cl)2 reacts with PPh3 to form trans-Pt(py)2(Cl)(PPh3). What kind of reaction is this?

A: Trans effect can be defined as the effect caused by a ligand in the substitution of another existing…

Q: 10. Brass is an alloy made from copper and zinc. A 590.0 g brass candlestick has an initial…

A:

Q: When 14.8 g of lead(II) nitrate was reacted with excess zinc, a student isolated 7.17 g of lead and…

A:

Q: 8. Construct a spontaneous balanced cell reaction and use the value of Eo cell to calculate each of…

A: To construct a spontenous balanced cell reaction , we need to check which metal act and anode and…

Q: A reaction at -12.0 °C evolves 414. mmol of dinitrogen difluoride gas. Calculate the volume of…

A:

Q: 1. What is the most likely product of the following reaction? AICI 3

A: Benzene and its derivative undergoes electrophilic substitution reactions.  Some are -  1- nitration…

Q: An empty steel container is filled with 2.50 atm of H₂ and 2.50 atm of F₂. The system is allowed to…

A:

Q: Part 2: Simple Reactions Draw the structure resulting from the following HC1 + HOCH₂CH₂OH CH₂OH Dess…

A: We have to show the major organic products.       N.B. According to the company guidelines, we have…

Q: Calculate the molar concentration of protons in a solution with pH of 3.25. Your Answer: Answer…

A: Here, we have to calculate the molar concentration of protons in a solution with pH of 3.25. Also,…

Q: What is the correct equilibrium constant expression for the balanced reaction shown below? NO(g) +…

A:

Q: KBr AgNO3 Ej: KBr + AgNO3 →→KNO3 AgBr Na2CO3 Cas NHẠCH

A: First we would write products by double displacement reaction . Then using solubility rules, we…

Q: If the peptide Ser-Pro-Ser-Arg-Ala-Lys-Gly- Trp-Gly-Phe-Leu-Tyr-Val-Ser-Ala-Ala is fully digested by…

A: Peptide bond cleavages by chymotrypsin

Q: Calculate the final temperature, in degrees Celsius, for each of the following, if V and n do not…

A: Given that, V and n is constant. Final temperature = ?

Q: Consider the reaction CuO(s) + H₂(g) → Cu(s) + H₂O( In this reaction, which substances are the…

A: We have to predict the oxidising and reducing agent.

Q: Assuming equal concentrations of acid and its conjugate base, calculate the pH of NH,Cl and NH₂.…

A:

Q: 550. mL of a 0.40M solution of NaOH is titrated with 0.25 M HCI. Calculate the pH of the solution…

A:

Q: 6. Pick one from a) to g), one from h) to m) and any other one of the following compounds (three…

A: Target molecule 1 : Step 1 : light induced bromination. Step 2 : E2 elimination. Step 3 :…

Q: Complete the statements about the redox reaction below. Half-reactions: Cd²(aq) voltaic electrolytic…

A:

Q: A reaction: A ➔ 2B starts out with an initial concentration of A at 1.0M and ends with a…

A: Rate of chemical reaction :- The decrease in concentration of reactants with time or increase in…

Q: When performing the extraction process for eugenol, what are the most common problems that can be…

A: Ans. Two most common problems in extraction process for eugenol: (i) Eugenol does not extract from…

Q: 7) What was the change in concentration of that reactant? a) no change b) doubled c) tripled d)…

A:

Q: 2. (a) The v(CO) of isoelectronic series [Mn(CO).], [Cr(CO)] and [V(CO) are 2090 cm 2000cm¹ and 1860…

A: All the parts of the questions are answered properly!!

Q: 7. The dissolution of barium hydroxide (Ksp 2.55 x 10-4) in water is an endothermic process. Which…

A:

Q: O oxygen O chlorine O barium Oboron

A: Multiple choice question is given here.

Q: Why are carboxylic acids more acidic than alcohols?

A: Carboxylic acids are more acidic in nature compared to the alcohols

Q: nuclear charge of +17

A:

Q: c. A number of concatenated sulfur forms are known, such as S6, S7, and Ss, while similar compounds…

A: Everything that exists are caused by their stability.  We know that oxygen is diatomic, Thus it…

Q: O b. Which compound is most likely to be stable? B2 B₂H6 BCN BO3

A: All compounds have a 'B' atom as a central atom. electronic configuration of B:1s22s22p1 . if B form…

Q: Status: Not yet answers Suppose you are working with a NaOH stock solution but you need a solution…

A: Given :-  Initial concentration = 1.425 M  Final concentration = 0.1488 M  Final volume = 250.0 mL…

Q: magnesium aluminum sulfur silicon

A: To solve this question,  it is very important to write electronic configuration of all the species…

Q: What is E cell for the following reaction? 2Au(s) + 3Ca2+ (aq) → 2Au³+ (aq) + 3Ca(s) Au3+ (aq) + 3e…

A:

Q: determine the volume of O2 at stp formed when 102 g of KClO3 decomposes according to the following…

A:

Q: Find the milliters of 0.250 M KOH needed to neutralize 135.0mL of 0.856 M H3 PO4. Write and balance…

A: Given: KOH solution: Concentration of KOH solution = 0.250 M = 0.250 mol/L Volume of KOH solution =…

Q: CH3 Ill CH₂ H Br NC. NaOEt, EtOH CH3 NBS luz D NaOCH3 CH3OH ? H3O*, A E

A: Here we have to predict the major product formed in the following given reactions.

Q: What is the electron pair geometry, lewis structure, molecular geometry, and hybridization of HF? Is…

A:

Q: What is the electron pair geometry, lewis structure, molecular geometry, and hybridization of BF3?…

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: HO CH2OH ОН ОН НО CH 2 ОН О ОН ОН

A: Glycosidic linkage is a covalent linkage which join carbohydrates units or sugar.

Q: What is the Molarity of KOH if a (2.3400x10^1) mL sample requires (4.27x10^1) mL of (3.6000x10^-1) M…

A: All the necessary calculations have been done in the following step.

Q: H b. . . C. d. i Hlor e. f. 2 H + H3C-C=N 1) NaOCzHg/C,H5OH 2) H₂O/H* NaOC₂H5 base & OH C2H5OH OH…

A: We have to draw the structure of the given products.

Q: The specific heat capacity of liquid mercury is 0.14 J/g-K. How many kilojoules of heat are needed…

A:

Q: (f) 1,2-Propanediol Draw Your Solution RCO₂H Draw Your Solution H₂O H₂SO4 ”。 OH

A: In this question we have to complete the organic .

Q: 8 H₂0 HCI Br "Br a Proton transfer 9 E2 Elimination d Radical chain addition Electrophilic addition…

A:

Q: concentration of solute number of ions that solute ionizes into mass of solvent all of these

A: Colligative properties are physical properties of solution which are depends on number of solute…

Q: Given that AT-K C, and that the freezing point of a pure liquid is 7.5 degrees centigrade, while the…

A: we need to calculate the molality of solution

Q: What is the oxidizing agent in the (unbalanced) reaction? Cu(s) + H(aq) + NO3(aq) → NO(g) + H₂O(+…

A: Given :-  Cu(s) + H+(aq) + NO3-(aq) → NO(g) + H2O(l) + Cu2+(aq)  To identify :- oxidizing agent in…

Q: 8. +) Draw the structure of (2S,3S)-2-chloro-3-methylhexane. Use wedges and dashes (where…

A: Answer :

Q: A Vitamin C packet is added to a glass of water containing 500.0 mL of solution. The Vitamin C…

A: We have to predict the concentration in ppm.

Q: Quiz 4 a. What orbitals are overlapping to form each of the following bonds? b. Classify whether the…

A:

Q: Which statement(s) is(are) correct regarding the formation of maltose? A. Hydrolysis reaction…

A: Maltose is a sugar.