How to calculate the relative atomic mass (6.015122) of 6Li, from the atomic mass of Lithium?

Q: Current molarity: 0.001 M Adjust the molarity of the solution by using the slider below Current pH:…

A: For a buffer solution- pH = pKa + log [Base/Acid]   For citric acid pKa = 4.25

Q: How many mL of 0.300 M NaF would be required to make a 0.0775 M solution of NaF when diluted to…

A: In the given question we have to calculate the volume of stock solution  consider,  0.300 M NaF as…

Q: A sample of metal has a density of 3.1 g/cm³. The metal has a body centered cubic structure with a…

A: The density of body-centered cubic lattice is = 3.1 g/cm3 The edge of the unit cell is = 4.507x10-8…

Q: Question 13 What is the relationship between these two compounds ? a. same compounds b.…

A: Given compounds: We have to find the type of isomerism in these compounds.

Q: A group of students was asked to determine the heat of reaction for the neutralization of a newly…

A: To answer: 1) Heat capacity of calorimeter 2) The balanced chemical and net ionic equations for the…

Q: what is the half-life of plutonium-239 if it takes 14 098 years for 33% of a given sample to decay

A: Radioactive decay follows the first-order kinetics. According to the first-order kinetics, the decay…

Q: Q1/ Calculate the concentrations of the an ions species in (0.1 M H₂ASO4): [H], [OH'], [H₂ASO4],…

A: Dissociation constant of fist step is higher than others so first step contribute major [H+]

Q: Some chemical reactants are listed in the table below. Complete the table by filling in the…

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Q: Q: Calculate the BOD of a water sample containing 300 mg of phenol in one liter of water?…

A: BOD (Biological Oxygen Demand) is the oxygen required by the bio-degradable organic matter present…

Q: Calculate the molality of a 2.05 M NaCl solution that has a density of 1.080 g/ml.

A: To calculate molality , we need moles of solute and mass of solvent.

Q: Sulfur dioxide gas, SO₂(g), contributes to acid rain. Natural sources of sulfur dioxide include…

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Q: One chemical that is added to water during water treatment. How is it added to water and why?…

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Q: The following equation represents the combustion reaction of octane (C8H18), which is the primary…

A: Given, 2C8H18(l)  +  25 O2(g)  -->  16CO2(g)  +  18H2O(l) Excess reactant - O2 gas molar mass of…

Q: The scientist repeats the experiment, burning a new sample of steel wool until it is entirely…

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Q: determine the azo dye that can be formed

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Q: PC15 (s) + H₂O(1) POC13 (1) + 2HCl(aq) When 56.39 g of phosphorus pentachloride reacts with excess…

A: Here water is in excess, So PCl5 is the limiting reagent

Q: 3. Which half-reaction correctly represents oxidation? O AU³+ + 3e →Au 3+ O Ag+ e- →Ag- O AU³+ →Au +…

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Q: Which of the following is true about HPLC performance? * The smaller the internal diameter of the…

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Q: Exactly 100mL of 0.1M HF is titrated with 40 mL of 0.1M calcium hydroxide solution. Calculate the pH…

A: Given-> Volume of HF = 100 ml Molarity of HF = 0.1 M Volume of Ca(OH)2 = 40 ml Molarity of…

Q: How is 22.4 L and 0.45 moles derived?

A:

Q: Using the information below, calculate the percentage w/V of lidocaine (MM (234-34 g/mol) in…

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Q: Consider the reaction 3X + 2Y5C + 4D With excess Y, how many moles of X are needed to produce 13.00…

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Q: The following are the basic components of XRD except-* Source Primary optics Sample Holder…

A: XRD is used to determine the crystal structure of a sample, It is the important characterization…

Q: The Robinson annulation reaction yields a six membered ring resulting from a Michael reaction with…

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Q: For a given reaction with enthalpy of -85 kJ/mol and free energy of 90 kJ/mol, the value of TAS is_…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: (1). Balance the following redox reaction in a basic solution and indicate which half-reaction is…

A: This question is from Chapter Electrochemistry. In Q1 we will balance the redox reaction in basic…

Q: The reaction between N-methylaminobenzoic acid and benzenesulfonyl chloride will produce a…

A: Given that the reaction is between N-methylaminobenzoic acid and benzenesulfonyl chloride .

Q: Name the reaction that results in the chemical transformation of galactose shown below. CH₂OH CH₂OH…

A: Galactose has a similar molecular formula like glucose. But the 3-D  arrangement of atoms is…

Q: CO(g) + Cl₂(g) → CoCl₂(g) The above reaction obeys the mechanism: Cl₂ 2CI Fast equilibrium Cl + CO =…

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Q: 1. Rank the following substrates in order of increasing reactivity in the Suzuki coupling, from most…

A: Rates of Suzuki reaction depends on the transmetallation steps where Halides is replaced by the…

Q: H₂N. D-Glutamine L-Glutamine D-Arginine L-Glutamic Acid L-Arginine D-Glutamic Acid NH IZ NH₂ OH

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Q: A certain metal M forms a soluble sulfate salt M₂SO4. Suppose the left half cell of a galvanic cell…

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Q: An unknown sugar at a concentration of 0.018 g/mL was found to have an observed rotation of 1.50 in…

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Q: Addition of 0.1M H2SO4 instead of concentrated H2SO4. b. Na2SO4 was not added in the obtained…

A: Adding 0.1M H2SO4 doesn't affect the product too much only it effects is that it will add in major…

Q: 6. No two radioactive isotopes decay at the same rate. Half-life (t2) is the time required for half…

A: Radioactive reaction involves the conversion of unstable nuclei to a stable nuclei. It is converted…

Q: These are low energy electrons (-10-50 eV) generated from the collision between the incoming…

A: SEM is the analytical technique used for the surface analysis of samples.

Q: What volume of 0.35 mol/L strontium chloride is required to react with 133g of aluminum?

A:

Q: 2. Different marker inks were analyzed using a simple paper chromatography experiment. Two marker…

A: To calculate the retention factor of each spot from A to E.

Q: How do you do this

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Q1/ Calculate the concentrations of the an ions species in (0.1 M H₂ASO4): [H], [OH'], [H₂ASO₂],…

A:

Q: what kind of test/reagent should be used to differentiate the two compounds in the photo? what will…

A: Ferric chloride is used to differentiate any carboxylic group-containing compound whereas the…

Q: During the standardization of barium hydroxide, a 0.3259-g of primary-standard-grade benzoic acid…

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Q: Use the data below to determine the ΔHrxn for the following reaction: S=S(g) + H2(g) è H-S-S-H(g)…

A: ∆Hrxn can be seen using given bond energies values.

Q: While working in a metal processing facility, Letlen had accidentally mixed two metal vats together…

A: Given the total mass of the homogenous alloy sample of Cd and unknown metal taken for titration =…

Q: Identify the charge on the iron in Mn3N2

A: Here in Mn3N2 Charges on nitrogen is -3 Let the charge on Mn is x Then,  3x  +  2×(-3) = 0 x = +2

Q: 4-Methylbenzaldehyde Test the compound in Fehling's test, then what is the observe result and it's…

A: Fehling's solution: Fehling's solution and Tollens' reagent are used to distinguish between aldehyde…

Q: Encircle the chiral centers in the compound and assign them R,S configuration. Previous 1 CH3…

A: Encircled the chiral centre and assign R,S configuration---

Q: Write the balanced chemical equations representing the following reactions. Identify the type of…

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Q: Which of the following is FALSE? a. D-altrose and D-talose have the same osazones. b. D-glucose…

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Q: Given that A = 115.47 and Emin/ Ocg= 852.9, What is the value of K12? a. 0.36 b. 0.31 c. 0.33

A: Given  A=115.47 Emin/Ocg=852.9 We have to find the value of K12.

Group 14 Elements

The following elements come under group 14 of the periodic table.