H,C-g-S-CH b. H3C NH2 a. Crus th

Q: Consider the following cell notation and use a Table of Standard Electrode Potentials (Appendix Le…

A: Ecell can be calculated using nernest equation. To calculate Ecell , we would first write a complete…

Q: Suppose that at some initial time all the molecules in a container have the same translational…

A: Given that, the translational energy is is E = 2.0×10-14 ergs. We have to calculate the final…

Q: 1) NaOEt Me OEt 2) H30* Could you show the mechanism please, also how do you know which alpha…

A: The reaction given is,

Q: Which of the following aqueous solutions are good buffer systems? 0 0.33 M ammonia + 0.39 M sodium…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Calculate the H3O+ concentration from each pH: (a) 2.42;    (b) 13.39.

A:

Q: Zn and Sn ions coprecipitate when they exist in solution to form mixed oxides. Suggest a…

A: a. Given that, Zn and Sn ions coprecipitate when they exist in a solution to form mixed oxide. We…

Q: 1) NaOEt Me OEt 2) H30* Could you show the mechanism please, also how do you know which alpha…

A: Given : We have to write the product for the given reaction.

Q: 11. In mining, roasting is the oxidation of metal sulfides to produce metal oxides and sulfur…

A: Given, the balanced equation: 2 ZnS + 3 O2 → 2 ZnO + 2 SO2 The mass of zinc sulfide reacted = 100.0…

Q: Order the substances (A, B, C, D, and E) by their specific heat capacities from highest (5) to…

A: The curve given is,

Q: How will the system respond to an increase in the amount of S? S(s) + 0,(g) = SO,(g) AH < 0 Select…

A:

Q: A 25 mL sample of Ca(OH)2 was analyzed with a 0.10 M HCl standard. If 30 mL of the acid standard…

A:

Q: What is the molecular formula of each compound?

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: In a two-vessel technique titration set-up, what is the unknown substance if the volume of…

A: Given  A titration method is given we have to find out the unknown substance .

Q: -Mannose + NABH,

A: What the reaction when mannose react with NaBH4 ----

Q: A galvanic cell was set up using the half cells of Cu2+/Cu (E = 0.34 V) and Fe3+/Fe2+ (E = 0.77 V).…

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Q: Весause s is a strong acid, it dissociates almost com- pletely in water. That means the…

A: We have given that, the concentration of H+ is nearly equal to the concentration of HNO3.

Q: The atomic mass unit is based on the mass of the _________ atom.

A:

Q: Calculation: Theoretical Yield: 1.5g aminobenzoic acid x (1mol/137.14g) x (1mol benzocaine/1mol…

A: Mass of aminobenzoic acid = 1.5 g Molar mass of aminobenzoic acid = 137.14 g/mol Molar mass of…

Q: Suppose for a synthesis of hydrogen fluoride from hydrogen and fluorine, 3.000 moles of H2 and 6.000…

A: The equilibrium reaction given is,  =&gt; H2 (g) + F2 (g) ↔ 2 HF (g)                          Kc =…

Q: Masle Tepico hateancas CH, CH, 1. BH,, THE 2. NaOH, H,O, H0, H,C CH2 H,C Alkenes can be hydrated via…

A:

Q: Classify the given as direct, indirect, or back titration problems. A 50.00-mL sample of a citrus…

A:

Q: H. H. H3N C CH2 CH2 H. CH,CH,SCH; CH(CH3)2 OH HC Z ーエ

A: Note : The tripeptide is hydrolyzed to corresponding monomers (see below).

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: This reaction involve the transfer of 6 electrons.

Q: In the laboratory, a general chemistry student measured the pH of a 0.544 M aqueous solution of…

A: Given :-  Concentration of aqueous solution of acetic acid = 0.544 M  pH = 2.488  To calculate :-…

Q: O DECIMALS, PROPORTIONS, AND PERCENTS Word problem on proportions: Problem type 2 OOOO D 95…

A: Total volume = 553 ml -&gt;4 ml of compound A used for 3 ml of compound B.

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Q: Which of the following combination can be used to prepare a buffer with a pH of 3?     NaH2PO4 and…

A:

Q: A chemistry student weighs out 0.0690 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: Given: Mass of HBrO = 0.0690 g. And concentration of NaOH = 0.1700 M

Q: In the preparation of para-iodo nitrobenzene,   a)If instead of KI, CuCl was added in the…

A:

Q: .To find the concentration of an acid solution, pure sodium carbonate can be used as a standard. In…

A: Given: Mass of sodium carbonate i.e. Na2CO3 used = 2.15 g. And the volume of HCl solution used =…

Q: What is ∆G° for the reaction Br₂(g) → 2 Br(g) at 25.0 °C if K = 4.6 x 10⁻²⁹? (R = 8.314 J/mol･K) in…

A: Given reaction: Br₂(g) → 2 Br(g) K = 4.6 x 10⁻²⁹ We have to calculate ∆G° for the reaction.

Q: The decomposition of hydrogen peroxide proceeds as H2O2(aq) → H20() + ½ O2(g). For the case where…

A: It is reported that decomposition of H2O2 follows first order kinetics.  By applying the integrted…

Q: An unknown sample of Librium was analyzed using polarography. A 50 mL sample containing the sample…

A: given that , Wave height was 0.40 uA when it contained 50 ml Librium. Now after adding 5 ml , the…

Q: The particular substance whose specific heat capacity is 0.90564 J/(g.°C) at a temperature of…

A: The amount of heat required to increase the 1oC temperature of 1 g of a substance is known as the…

Q: If a urine sample has a pH of 5.50, calculate the concentrations of H3O+ and OH− in the sample.

A:

Q: 13.72 A metallurgist wants to gold-plate a thin sheet with the following dimensions: 1.5 in x 8.5 in…

A: We have find out the answer.

Q: 4. Br + CIO + H* Br, + Cl¯ + H,0 2+ 4+ 5. Sn + VO, + H → Sn + V²* + H,0 »

A: The answer is as follows:

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A: Capsaicin activates the sensory neurons for pain and can be used in the treatment of arthritis,…

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A: amino acids are translated from mRNA with the help of the codon table  .

Q: Write 1)compound name 2)number of bonding electron pairs(bp)/number of lone electron pairs(lp)…

A:

Q: Kp for the reaction 4CUO(s) = 2Cu20(s) + O2(g) Is 0.49 at 1024 °C. Calculate Kc at this temperature

A: Given :- 4CuO(s) &lt;-----&gt; 2Cu2O(s) + O2(g)  Kp = 0.49  T = 1024°C  To calculate :- value of Kc…

Q: Calculate Kp for the reaction 2NOCIig) = 2NO(gi + Clzla) at 400'C if K- at 400°C for this reaction…

A: Which one of the following options is correct

Q: Complete and balance the following equation: NO2-(aq)+ Cr2O72-(aq)→ Cr3+(aq)+NO3-(aq)

A: NOTE: In the reactant, it will be NO2- and not NO2- and in the product, it will be NO3- and not…

Q: In the laboratory, a general chemistry student measured the pH of a 0.544 M aqueous solution of…

A: We have to calculate the acid dissociation constant.

Q: A sample of gas occupies a volume of 72.1 mL. As it expands, it does 122.1 J of work on its…

A: Given data :

Q: A 125 mL sample of a 14.0 M solution is diluted to 500 mL. What is the concentration (molarity) of…

A:

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A: According to the question, we need to explain why NaOH be a poor choice for the base, as opposed to…

Q: Saved The following mechanism has been suggested for the reaction: 11 H2O2 + 2H+ + 21-→ I2 + 2H2O…

A:

Q: For element X there are 3 isotopes in nature. The atomic masses in amu and the % abundance of the…

A: Given :-  ELEMENT Atomic mass  Abundance (%) 20X 19.9924391 90.51 21X…

Q: Which of the following phase diagrams corresponds to a system wherein boiling occurs before the two…

A: The phase diagram corresponds to a system where boiling occurs before the two liquids are Fully…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.