If the snack food is pretzels and a single pretzel has a mass around 1.5g, how many pretzels would you need to consume to meet the daily requirement? Daily requirement=sodium intake is around 2.25g Mass of sodium in snack food= 0.01333g Original mass of snack food= 2.76g Mass of NaCl in the snack food= 0.03388g

Q: What is the oxidation number of P in PBr? Technically if it is positive it should be noted as such…

A: A molecule PBr5 is given, and we have been asked to give oxidation number of P in this molecule.

Q: Of the following solutions, which has the greatest buttering capacity? A) 0.521 M HC2H302 and 0.217…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .it is…

Q: Draw curved arrows to show the movement of electrons in this step of the mechanism. Arrow-pushing…

A: Alkene are reactive unsaturated hydrocarbon which have double bond. As there is a presence of double…

Q: (i) - Normal saline solutions are used to clean wounds, help remove contact lenses and, by injection…

A: 0.9% saline solution will contain 0.9 g of NaCl per 100 mL solutionmass/volume % can be find out by…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: In given equation , question are asked to convert 0.030 Pa.mm2  to   __ pa m2

Q: Does a reaction occur when aqueous solutions of lead(II) nitrate and potassium hydroxide are…

A: Steps to write a net ionic equation and complete ionic equation for a molecular reaction :     Write…

Q: Select all that apply. Which molecules contain good leaving groups? Br оос OH2 ОН none of the above

A: We know that halides (Br-, I-) and the neutral small molecules (H2O, ROH, e.t.c.) are the good…

Q: Complete the mass balance expression for a saturated solution of Ag₂CO3. Ignore any subsequent…

A: Given is reaction of Ag2CO3.Ag2CO3 will dissociate as follows:Ag2CO3 ---------> 2Ag+ + CO32-…

Q: To preview image click here. Choose the correct reagent(s) for the following reaction. O A.…

A:

Q: Consider the following reaction: fructose-6-phosphate glucose-6-phosphate. At equilibrium, the…

A: The given equilibrium reaction is Fructose-6-phosphate Glucose-6-phosphate.At equilibrium, the…

Q: A certain reaction has an activation energy of 39.05 kJ/mol. At what Kelvin temperature will the…

A:

Q: Me Si- F 50€ CO₂Me HOCH2CH2OH p-TsOH, PhH

A: The given reaction is an example of protection of the carbonyl compound (in this case, the ketone)…

Q: Explain with a Frost circle as to why this structure is unstable.

A: Frost circle is a diagrammatic representation of energy levels of cyclic pie systems such as…

Q: Based on Zaitsev's rule, which of the following is the major product of the reaction below?

A: Alkyl halide gives an elimination reaction by reacting with a strong base. E2 reaction involves a…

Q: A 10.0 L tank at 0.74 °C is filled with 9.84 g of carbon dioxide gas and 4.06 g of dinitrogen…

A:

Q: Select the single best answer. Which SN1 reaction in the following pair is faster? + CH3CH₂OH +…

A: Polar protic solvents after the SN1 reaction in compare to polar approtic solvents. This is…

Q: Indicate the relationship for the following pair of structures. CH3 CH₂ XCHS Br 'Br A. identical B.…

A: Diastereomers are the isomers that are non mirror images of each other , these  stereoisomer have…

Q: 4. The following mechanism has been proposed for the gas phase reaction of hydrogen and lodine…

A: Answer-4According to law of mass action, rate of any reaction is directly proportional to the molar…

Q: - 12. Considering resonance structures, which bond is 1.3 A (Angstroms) long?

A: Resonance structures are the different possible structures of the same compound due to the…

Q: Consider the following table. Number of Carbon Atoms in Ring 3 4 5 6 Heat of Combustion per CH₂ (kJ)…

A: The strain energy in a cycloalkane is due to the angle strain and torsional strain present in the…

Q: What is the correct net ionic equation, including all coefficients, charges, and phases, for the…

A: In the given question we have to write the net ionic equation of the given reaction. The net ionic…

Q: Which of the following compound(s) is NOT optically active? Include the Roman numerals in the box…

A:

Q: Consider the following reaction: CO(g) + 2 H₂ (9) = CH3OH (9) A reaction mixture in a 5.25 - L flask…

A: Given ,Reaction : Volume of flask =  5.25 LObjective :To determine reaction equilibrium constant.

Q: Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KCIO,…

A:

Q: A 0.10M solution of a base has pH= 9.28. Find Kb

A: Given : pH = 9.28 As pH + pOH = 14 So, pOH = 14 - pH = 14 - 9.28 = 4.72  pOH = - log [ OH- ]…

Q: Write the balanced molecular equation and net ionic equation for the neutralization reaction between…

A: When hydrochloric acid(HCl) and strontium hydroxide[Sr(OH)2] react with each other, aqueous…

Q: 3. Determine the relationship for the following pairs of structures. Use "E" for enantiomers, "D"…

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

Q: The equilibrium constant, Kp, for the following reaction is 55.6 at 698 K. H₂(g) + 12(g) 2HI(g) If…

A: The given equilibrium reaction is H2(g) + I2(g) 2HI(g)The Vant-Hoff equation equation relates the…

Q: An electron in a hydrogen atom relaxes to the n 4 level, emitting light of 7.4 x 1013 Hz. What is…

A:

Q: 2. Lead ions react with chloride ions to create a precipitate as represented by the reaction below:…

A: The balanced chemical equation when lead ions react with chloride ions to form lead chloride is…

Q: The pH of 0.1 M acetic acid solution is. If we adjust the pH to 5.76, what is the percent ionization…

A: The pH is a parameter used to indicate the amount of hydronium ions (H3O+) present in the solution.…

Q: State the four laws of Hume-Rothery rules, and tell   if you would expect magnesium and zinc to have…

A: Given:Magnesium and zincstate four laws of Hume-Rothery rulesThe Hume-Rothery rules, also known as…

Q: What is the best classification of sucrose, C12H22011? Compound Heterogeneous Mixture Homogeneous…

A: Given : Sucrose ( C12 H22 O11 )We need the best classification of sucrose : Compound / Heterogeneous…

Q: Explain the meaning of each term within the Arrhenius equation: activation energy, frequency factor,…

A: Answer:Here:

Q: Which of the following can be used to elute His-tagged proteins in metal ion chromatography? 1) 2)…

A: His-tagged proteins generally contain six to nine histidine residues in the N or C terminus of the…

Q: Balance each equation by inserting coefficients as needed. equation 1: 2KHF₂ ->>> equation 2: 2KF +…

A: Given,The unbalanced equation:equation 1:   KHF2  KF + H2 + F2equation 2:  N2H4  NH3 + N2

Q: on of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that…

A:

Q: write the molecular and net ionic equations for the reactions of aqueous NaOH with HCl. include…

A: We have to write the molecular and net ionic equations for the reactions of aqueous NaOH with HCl.…

Q: If you have 0.121 mmols of o-phenylenediamine and 0.3 mmols of benzil, what is the theoretical yield…

A: Limiting reactant: It is the reactant that is totally consumed when the chemical reaction is…

Q: Gaseous methane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water…

A: For a reaction, the theoretical yield is the yield of the product calculated using the…

Q: (a) c) CN from naphthalene via sulfonation reaction (b) N=N -OH CO₂H from benzene using Grignard…

A:

Q: НО. HO

A: When groups remain in equatorial position in chair conformation then groups do not feel…

Q: Write the net ionic equation for the chemical reaction shown. Include physical states. HCIO,(aq) +…

A: Net ionic equation

Q: the rate-limiting step is unimolecular, with A as the sole reactant. If [A] and [B] are both 0.115…

A: For the given reaction:A + B  C +  DThe rate-limiting or rate-determining step is unimolecular…

Q: is 10.57. At which of the following pH values would the structure shown be the predominant ionic…

A: An acidic group exists in ionized form (anionic form) at a pH greater than its pKa

Q: and a Calculate the activation energy, Ea, in kilojoules per mole for a reaction at 74.0 °C that has…

A:

Q: What are the two essential features that must be present for a system to be at equilibrium? The…

A: Answer:For any reaction, value of equilibrium constant is equal to the ratio of molar concentration…

Q: Write the charge balance for a MgSO4 and NaNO3 solution that contains H*, OH, Mg2+, HSO, SO²,…

A: Given:The charge balance equation is the sum of positive charges equal to the sum of negative…

Q: Product B is a natural product that can be prepared from the building block. می برد A product B

A:

Q: Calculate the pH of the solution that results when 8.30 ml of 0.250M KOH is added to 35.0 mL of…

A: We find out the pH of the solution at equivalence point.The equivalence point is defined as an…