Mg Et,0 CI CO2 then H+ A В + D HN С.

Q: helpp asap!! An aqueous solution of hydrofluoric acid is 16.7% HF, by mass, and has a density of 1.1...

A:

Q: What is the possible identity of the amino acid? [Select] What is the isoelectric point of AA? [Sele...

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

Q: Consider the following reaction where Kc = 1.80x102 at 698 K. 2HI(g) H2(g) + I2(g) A reaction mixtur...

A: Given ; value of Kc

Q: H. H. CH3 CH,0 CH3 Sx2E2 CH3

A: It is an example of bimolecular nucleophilic substitution.

Q: If the melting point range obtained from the unknown sample is 121-122 degrees Celsius, can we say t...

A: Please find your solution below : Melting point of a substance is defined as a temperature at which ...

Q: When KNO3 is dissolved in water, the resulting solution is significantly colder than the water was o...

A:

Q: Calculate the energy required to heat 252.0 mg of cyclohexane from 16.1 °C to 31.9 °C. Assume the sp...

A: The mass of cyclohexane is = 252.0 g An increase in the temperature of the cyclohexane is = (31.9-16...

Q: Malin just discovered a new protein, Malinase and for it not to unfold and lose its function, he rea...

A: Given the required pH of the buffer solution = 11.90 Volume of the buffer required = 50.0 mL Total m...

Q: Calculate the pressure, volume, or temperature of a gas under certain conditions of change. Solve th...

A: Given, Initially Volume of a gas  (V1) = 1.7 L moles of a gas (n1) = 0.2 mol Later: (after adding 0....

Q: Adding a solute will change the normal boiling point or freezing point of a solution. Is this correc...

A:

Q: Rather than try to quantify the number and concentration of the very diverse community of microbes i...

A: A multiple choice question based on concentration terms that is to be accomplished.

Q: Alright! You cannot see those lines with you naked eyes. Remember they are just representation. Now,...

A: Electric field lines are always directed in the direction from +ve charge body to - ve charge.

Q: At 700°C, the following equilibrium concentrations were observed for the system N20(g) + NO2(3) 5 3 ...

A: Calculate : Equilibrium constant Kc = ?

Q: Calculate the pH at the equivalence point in titrating 0.028 M solutions of each of the following wi...

A: a) 

Q: Does Kl and Na2S form a precipitate? If so describe this solid or aqueous precipitate.

A: Na2S + KI —> Na2S= Sodium sulphide KI= Potassium iodide In the given reaction, Sodium sulphide re...

Q: pe spontaneous at

A:

Q: Draw the rganic product(s) of the following reaction. NaCN

A: ->Nucleophile = NaCN ->Acidic medium.  

Q: What is the molarity of an aqueous solution that contains 14.2 g NaCI dissolved in 2.35L of solution...

A: Given,  Mass of NaCl = 14.2 g  Volume of solution in L = 2.35 L  What is the molarity of the solutio...

Q: 8Ca → 3. 65 Sc 65 4. Be + He C + -> P + H 31 15 32 15 5. 16S + Hе 35 6. 1ci +

A:   Dear student,  As you have asked multiple question but according to guidelines we will solve first...

Q: Describe the cleaning action of soap

A:

Q: Use the following information for the following three questions. AH --524 kJ/mol AS- -250 J/K-mol D ...

A: Given,  ∆H° =  -524 kJ/mol = 524000 J/mol ∆S° = -250 J/k.mol 

Q: A chemist prepares a solution of magnesium fluoride (MgF,) by measuring out 9.9 mg of magnesium fluo...

A: Given, mass of MgF2 = 9.9 mg = 0.0099 g  Volume of the solution = 350. mL = 0.350 L Note: molar mass...

Q: Part A When titrated with a 0.1133 M solution of sodium hydroxide, a 57.00 mL solution of an unknown...

A:

Q: A 40.0 mL sample of 0.300 M formic acid is titrated with 0.200 M NaOH. Calculate the pH after 70.0 m...

A: Given,  40.0 mL sample of 0.300 M formic acid is titrated with 0.200 M NaOH. 

Q: (a) NaCN (d) NEt H2SO4, 0°C dropwise EINH3 + (b) MEOH (exs.) (e) TSOH, toluene heat 1) Ph3P Br (c) 2...

A:

Q: V'"Ca, which indicates a on a site with an effective charge. v**o, which indicates a on a site with ...

A:

Q: Exercise 4. Write the IUPAC names of the following aromatic compounds. 4a. polyaromatic

A: The naming of an organic compound can be done with help of rules of international union of pure and ...

Q: Calculate the pH of the following acid or base: 1. 3.6 x 10-7 M HNO3 2. 2.0 x 10-4 M NaOH

A:

Q: 5. Arg and Lys Asp and Lys Pro and Glu Among these amino acid combinations listed above, only th...

A: Answer: Only the combination of Asp and Lys have side chains with groups that have the greatest abil...

Q: Calculate the pH of the solution after the addition of cach of the given amounts of 0.0676 M HNo, to...

A: Aziridine reacts with HNO3 as per the following reaction: Aziridine+HNO3→Aziridinium ion+NO3-

Q: Consider the following reaction where K = 1.80x10"4 at 298 K. NH4HS(s) NH3(g) + H2S(g) A reaction mi...

A:

Q: Please help me with question 3.

A:

Q: 13. Determine whether the following bonds and molecules are polar. Indicate the direction of the pol...

A: Check the polarity of the compound ---

Q: HiIhe the Kumber of electrons in each energy shell. If there are no electrons in an energy shell, en...

A: Electronic configuration of an atom can be defined as the arrangement of electrons in orbitals of an...

Q: Some chemical reactants are listed in the table below. Complete th oxidation state of highlighted at...

A: Oxidation state is the total number of electrons that an atom either gains or loses in order to form...

Q: Calculate the mass of Li necessary to bind to 2 moles of nitrogen.

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: For a certain ideal gas, the increase of enthalpy is 34 Kcal when the pressure increases from 0.11 M...

A: GIVEN:-   For a certain ideal gas, the increase of enthalpy is 34 Kcal when the pressure increases f...

Q: For each of the following, identify the formulas of the major entities present when the substance is...

A: Water(H2O) is a polar molecule capable of forming hydrogen bonding.  Hence polar molecules, and pola...

Q: Q4 Which solution(s) showed the greatest change in pH? Why? Q5 Which solutions(s) showed little or n...

A:

Q: Calculate the wavelength, in nanometers, of the light emitted by a hydrogen atom when its electron f...

A: Given:: Initial state, n1= 4 Final state, n2=2 find wavelength = ?

Q: In each of the equations below, label the acids, bases and their conjugates. HPO42- + H2O ↔ H2PO4- ...

A:

Q: Part A lodine atoms will combine to form I2 in liquid hexane solvent with a rate constant of 1.5 x 1...

A:

Q: A chemist prepares a solution of sodium chloride (NaCi) by measuring out 4.66 g of sodium chloride i...

A: Given,  Mass of NaCl = 4.66 g  Molar mass of NaCl = 58.5 g/mol  Volume = 50 ml                 = 0.0...

Q: And also help me with Question 5 please.

A: 5) To explain: What changes can be made to get more accurate answers in the experiment.  

Q: Part A The data shown below were collected for the following second-order reaction: Cl(g) + H2(9) → ...

A:

Q: Calculate the pressure, in atmospheres, required to compress a sample of helium gas from 27.4L (at 1...

A: Boyle's law:  According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal ga...

Q: Part A The data shown below were collected for the following second-order reaction: Cl(9) + H2(9) → ...

A: The data given is,  

Q: [Review Topics] [References] An alkene having the molecular formula C6H10 is treated sequentially wi...

A: