Why are sodium and lithium typically analyzed by atomic emission while transition metals such as lead and chromium are analyzed by atomic absorption?

Q: mC PBA,

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Q: 29. Describe in principle, how transmembrane proteins are purified.

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Q: Given the initial partial pressures of (Peas) = 0.0500 atm, (Prs) = 0.150 atm, and (Paz) 0.250 atm…

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Q: within

A: According to the question, we need to determine whether the statement "After transferring oil to a…

Q: If the partial pressure of N2 is 3.25 x 105 and the partial pressure of Ne is 3.00 x 105 Pa in a…

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Q: A 51 mL sample of 0.13 M CH3COOH is titrated with 0.045 M LiOH. Calculate the pH of the solution…

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Q: How do microorganisms such as bacteria eliminate harmful reactive oxygen species?

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Q: What is the estimated pH of a solution of CH₃COONa, formed by mixing CH₃COOH and NaOH?

A: Give data  CH₃COONa, formed by mixing CH₃COOH and NaOH    Find PH of solution

Q: Consider the formation of HI (g) from H2 (g) and I2 (g). H2 (g) +  I2 (g)  ⇌ 2HI (g) For this…

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Q: Calculate the energy change in kJ/mol for the reaction Al +2 He - P+on The actual masses are: • an…

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Q: (d) If you want the pH value change to be less than 0.10 for a 2.00 L buffer solution after adding…

A: #(d): Below are the information required from the previous parts: From part-(c), the desired ration…

Q: 20- The salinity or temperature of the water influence float ability. True False

A: On increasing temperature salinity of water decreases and density of water increases hence water…

Q: state the relationship between absorbance and transmittance

A: Given,  state the relationship between absorbance and transmittance

Q: An acre is 43,560 ft². If a field is 2250 m², what is the area of the field in acres? 1 m = 1.094 yd

A: In the given question we have to do the unit conversion.  Area of field  = 2250 m2   Given that,  1…

Q: 1) The reaction order with regards to nitrogen monoxide gas is : The reaction order with regards to…

A: 1.) We would use given data values to Calculate order with respect to both reactants.  2.) If…

Q: 1. How can the principles that describe equilibrium and reaction rates be used to understand the…

A: 1) Principle of le chateliers can be used to predict the behaviour of the system due to the changes…

Q: 1. Provide the reagents for each of following reaction. Provide detail mechanism for the each of the…

A: We have to complete the given transformations.

Q: Which member of each pair is the stronger acid or base? (a) HClO or HClO3 (b) HCl or CH3COOH…

A: given a) HClO or HClO3 (b) HCl or CH3COOH  (c) NaOH or CH3NH2

Q: ionizes to the greatest extent?

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Q: CHS O 1. LIATHY, EtzO H2 SO4 HI 2. H30t , HLO PCC CH2 C/2 HO Ph Phmgsr, Et20 H3 O*, HLO

A: Concept:  LiAlH4: Lithium aluminium hydride is used to reduce carboxylic acids, esters, and acid…

Q: Column Chromatography Chromatographic Separation Fresh solvent = eluent Mobile phase Sample…

A: A is more polar Because the stationary phase is polar, polar molecules will spend more time adsorbed…

Q: The standard cell potential for the following reaction is ____V.…

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Q: For the reaction run at room temperature, compound I is formed. However, over prolonged reaction…

A: Here we have to determine the correct statement among the following from the given Diel's alder…

Q: Give the condensed structure of the product/s for the reactions below and indicate for each the…

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Q: A0.1 M solution of C6H5CO2H is at equilibrium at 25° C when the pH is 2.6. What is the value of AG…

A: Given, Concentration of C6H5COOH=0.1 MpH= 2.6

Q: You want 10.0 L of 1.00 M HCl and have 16.0M HCl. How many liters of HCl would you use to create…

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Q: An analytical separation technique based on the large differences in solubilities between…

A: Analytical chemistry is used for the detection, identification, characterization of chemical…

Q: The reasons of weakness of van der waals forces is the natural fluctuation of in the electron…

A: There are various types of intermolecular forces present in molecules such as hydrogen bonding,…

Q: When do you have to newtralize (acefit acil with before distillatfom ? ou sodium hychtride

A: Acetic acid forms azeotropic mixture with Water and their boiling points are nearly same.Therefore…

Q: How could a substance such as alcohol be a solvent under one condition and a solute under another?…

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Q: A batch of 500 ?? of ??? dissolves in water to form a saturated solution at 350 ? (77 °?) where the…

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Q: A commonly formed side product during the Hoffman rearrangement is a urea. When butanamide is…

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Q: Determine whether each of the amino acids is polar neutral, hydrophobic, positively charged, or…

A: This question is related to Biolmolecules. Amino acids contain alpha carbon bonded to a hydrogen…

Q: 19- The calculated value of X in (water of crystallization) experiment will be When we used…

A: Given,  The calculated value of X in (water of crystallization) experiment will be........... When…

Q: A 0. 750 g sample of flour was subjected to a Kjeldahl analysis. The ammonia formed after digestion…

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Q: Ketones are less reactive than aldehydes. It is due to A. Alkyl groups are electron donating B.…

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: (В) CН3СООН (C) HO, (D) NAOH If an alcoholic beverage has a proof of 151, what is the percentage of…

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Q: Calculate the cell potential at 25oC for the Cr(s) | Cr3+(aq) || Sn2+(aq) | Sn(s) electrochemical…

A: concentration of Cr3+(aq) = 0.50 M concentration of Sn2+(aq) = 0.090 M

Q: For the equilibrium reaction: 2 SO3 (g)  2 SO2 (g) + O2 (g) The initial conditions are found to…

A: The given chemical reaction is a reversible reaction and the reaction is as follows: 2SO3g  ⇌  2SO2g…

Q: Complete the following two balanced nuclear equations. Hint: You need to check the periodic table.…

A: Given,  The complete balanced nuclear equations are:

Q: ) 5ociz y CHe Ne 9 Agz O 4) HzO

A: This is a mechanism of Arndt Eistert Synthesis

Q: (d) If you want the pH value change to be less than 0.10 for a 2.00 L buffer solution after adding…

A: Below are the information required from the previous parts to solve part#(d): From part-(c), the…

Q: Draw a second resonance form for the structure shown below. ö: ö:

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Q: -OH Br

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Q: Your friend wants to know if the self heating could be refined so that the reaction releases more…

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Q: With respect to the following unbalanced redox equation that takes place in an acidic environment,…

A: Give reaction  BrO3- (aq) + N2H4 (g) ---> Br- (aq) + N2 (g)

Q: 10.0 mL of ethanol (p = 0.789 g/mL, 46 g/mol) was added to 90.0 mL of water (p = 1 g/mL, 18 g/mol)…

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Q: 7.78 24.5 18) How many grams of zinc metal are required to produce 2.00 liters of hydrogen gas at…

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Q: Determine if the synthesis of sulfuric acid is a spontaneous reaction at 25°C. Chemical Equation: S+…

A: Spontaneous reaction can be defined as the reaction that occur by itself without any external source…

Q: 1. Write the chemical equations for the reaction of alkaline permanganate with unsaturated…

A: unsaturated hydrocarbon has double or triple bond which increases its reactivity.