Alda

Q: Write a net ionic equation to show that caffeine, C3H10N4O2, behaves as a Bronsted-Lowry base in wat...

A: To write a net ionic equation to show that caffeine behaves as Bronsted-Lowry base in water.

Q: (a) Write the half-reactions at the zinc-air electrodes and calculate the standard emf of the batter...

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

Q: Explain.how tission Can be used to genarate elactricity and describe the dainteges and disaduantages...

A: Nuclear fission is defined as a process in which a nuclei splits into two or more nuclei,

Q: Hydrogen is manufactured on an industrial scale by this sequence of reactions: CH, ()-H,0)co)-3H, (e...

A: When the rate of forward reaction is equal to the rate of backward reaction then the reaction is sai...

Q: The formula for work in thermodynamics is given by PV=W. Suppose that at any pressure, P=h(V+Vo^-1) ...

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of ener...

Q: Write the Lewis structure for each molecule/ion. N2H2

A:

Q: Part A is completed but I need help on Part B. Please and thank you

A: The considered reaction is, N2 (g) + O2 (g)→2NO (g)

Q: Functions of the form sin(nπx/L), where n = 1, 2, 3 …, are wavefunctions in a region of length L (be...

A: The wavefunction is given as,ψ = sin nπxLFor n=1,     ψ1 = sin πxLFor n=2,     ψ1 = sin 2πxL

Q: The standard potential of the cell Bi(s)|Bi2S3(s)|Bi2S3(aq)|Bi(s) is +0.96 V at 25 °C. Calculate the...

A: Given: Standard Electrode Potential (E0 Cell) = +0.96 V n=3 (number of electrons) To find: Equilibri...

Q: Identify each molecule as Chiral or Achiral. Give explanation

A: Chiral carbon: Carbon that is attached to a four different types of atoms (or groups of atoms) is kn...

Q: 2. Study the solubility graph below, and select the number of grams of KNO3 which are soluble in 50 ...

A: The solubility product of salt is a constant at a given temperature irrespective of the source from ...

Q: A buffer solution is made that is 0.341 M in H2S and 0.341 M in KHS. If Kal for H2S is 1.00 x 10-7, ...

A: Given Data: H2S = 0.341 M KHS = 0.341 M  pKa = 1.00 x 10-7  Steps Write the Dissociation Ionic Equat...

Q: Find the concentration of [H+] in the given cell notation. Ag(s) | Br-(aq, 3.73M) || Br2 | H+(aq, __...

A: The Nernst’s equation tells about the relationship of the concentration of various species on the ce...

Q: Part A A 16.9 gram sample of KCl is used to make a 250. mL KCl solution. What is the molarity of the...

A: In a certain solvent number, Molarity (M) is the quantity of a substance. Molarity is defined by a s...

Q: Given the following data 2 ClF(g)+O2(g)→Cl O(g)+F2O(g) Δ H =  167.4 kJ 2 ClF3+2O2(g)→Cl O(g)+3F...

A: It is given that three reactions have the change in enthalpies which are shown below with the reacti...

Q: The flask contains 10.0 mL10.0 mL of HClHCl and a few drops of phenolphthalein indicator. The buret ...

A: Given, The Volume of HCl = 10.0 mL. The molarity of HCl = x. The Volume of NaOH = 20.2 mL. The molar...

Q: 1) The transition of energy undergoes by an atom or a molecule when the chemical species is irradiat...

A: The evidence for the photon existence was provided by the photoelectric effect and hence, the partic...

Q: Write a net ionic equation to show that phenol (a weak acid), C6H5OH, behaves as a Bronsted-Lowry ac...

A: (a) Bronsted  Lowry Acid : In this, BL Acid will give its proton  to form conjugate base . (b) Brons...

Q: What happens to the kinetic energy of a body if it's velocity is increased by 3 times keeping to the...

A: Kinetic energy is given by: K.E.=12mv2 where m is the mass and v is the velocity

Q: Can you please answer this?

A: Alkenes are unsaturated hydrocarbons. They have one or multiple double bonds.  The general formula o...

Q: A 9.00 L tank at 19.4 °C is filled with 2.75 g of chlorine pentafluoride gas and 13.9 g of sulfur he...

A:

Q: Explain how stoichiometry is used in the following:

A: Stoichiometry shows the balance of chemical reactions, in which the number of atoms is the same in t...

Q: How many grams of Ca(OH)2 are needed to produce 500 mL of 1.66 M Ca(OH)2 solution?

A: Molarity of a solution represents the concentration of a solute in the solution, which is generally ...

Q: Calculate E for the reactions of mercury with (a) 1 M HCl and (b) 1 M HNO3. Which acid will oxidize ...

A: The oxidation is the  process in which during the chemical reaction substance loses an electron is a...

Q: Write a balanced molecular equation describing each of the following chemical reactions.(c) Aqueous ...

A: Steps involved in balancing: Metal balancing Oxygen balancing Hydrogen balancing

Q: Consider the following electrochemical cell, with a K2SO4(aq) salt bridge: Cu(s) | CuSO4(aq) || Cl2(...

A: A cell constructed using Cu electrode and C(graphite) electrode.

Q: The standard reaction free energy AG" =41. kJ for this reaction: 2 NOCI(g)-2 NO(g) + Cl,(g) Use this...

A:           2NOCl(g) ===> 2NO (g)  + Cl2 (g)                 ∆G°= 41.0 KJ   --------------- (1)    ...

Q: 1. Which of these models show the process of boiling (fast evaporation)? Circle the correct letter.

A: The left diagram A. showing the fast evaporation than the another. Evaporation is the process in whi...

Q: What is the answer?

A: Ratio of product of Plank's constant and speed of light to the wavelength of the electromagnetic rad...

Q: A water sample contains ionic components at the concentrations shown. Ca2+ 78 mg/L Mg 2+ 95 mg/L Na*...

A:

Q: Calculate how many grams of the second reactant would be required to react completely with 1.28 mole...

A: Al(s) + H2SO4(aq) → Al2(SO4)3(aq) + H2(g) in the given reaction Al is the first reactant  H2SO4 is t...

Q: Which of the following is the reason why plasma glow discharge in a vacuum requires relatively littl...

A: A plasma glow discharge is a glow discharge which is formed by electric current in the presence of l...

Q: 7. How d electrons are in each metal of the following complexes? Give the oxidation number of many t...

A:

Q: A buffer solution that is 0.307 M in HF and 0.307 M in KF has a pH of 3.14 . Addition of which of th...

A: Buffer capacity is the resistance in the change of the pH upon the addition of a small amount of aci...

Q: Does the following molecule match the information given in the IR and H NMR spectrums? What molecule...

A: The expected peaks in the 1H NMR and 13C NMR of the given compound has been compared with the given ...

Q: Chemistry Question

A: There are many mechanisms in organic chemistry such as nucleophilic substitution, nucleophilic addit...

Q: (a) Describe Rutherford's experiment and how it led to the structure of the atom. How was he able to...

A: a)