An element in its ground state has electron configuration: [Ne]3s² What is this element's chemical symbol? Answer:

Q: 3500 3000 2500 Wavenumber cm-1 2000 1500 1000 500 3920.67 3082.32 2336.05 2235.94 1699.33 1655.52…

A: We need To Analyze The infra-red attached    and To comment on the cleanliness of the sample.

Q: Explosive exnon trioxide, XeO3, is prepared as in the below unbalanced equation. In one expriment,…

A:

Q: Write the equilibrium constant expression for this reaction: 2 H¹ (aq) +SO² (aq) → H₂SO4(aq) 4

A: given           Keq = ?

Q: Find out: What is the solvent and what is the solute(s) in the following solutions: • came •vinegar…

A: Solution- Solvent and solute(s) for each of these substances is : Coffee: The solvent is water,…

Q: Jse Table 14.3 to help answer the following questions. H. Which is the stronger base, C6H5NH₂ or…

A: According to conjugate acid base principle, a strong acid has a weak conjugate base and a weak acid…

Q: HICUH HICIH 4 1 st н - с - с S. S H H-N-C-H 2 HIJIH

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Q: HOW MANY different molecules of DIETHYLBENZENE are there, and what are their names?   two:…

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Q: When 235 mg of an unknown electrolyte with the general form AX2 is dissolved in 0.846 L of ethanol…

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Q: How do I find the moles excess HCl titrated and Moles HCl absorbed by Tablet

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Q: What is the strongest intermolecular force present in a container full of the molecule below? H H F…

A: To solve this problem we have to know about the intermolecular forces present in given compounds .

Q: Complete the sentence: Based upon the Bohr model of the atom, electrons_ can exist at any distance…

A: According to the Bohr's model of the atoms:  Electrons are present  at distinct distance from the…

Q: Iridium-192 undergoes ß decay and then emits y radiation. Identify the stable daughter nuclide…

A: • We need to determine the daughter nuclide formed by the successive beta decay and gamma radiation…

Q: How many H atoms are present in 6.95 moles of C2 H5OH?

A: Given, number of moles of C2H5OH = 6.95 moles Number of H atoms = ?

Q: what is the combination of electrodes that would generate the greatest voltage in a galvanic cell?

A: Answer: The greatest voltage occurs when the difference in the reactivity of the two metals is the…

Q: Calculate the pH of a 4.80×10-1 M aqueous solution of sodium nitrite (NaNO2). (For nitrous acid,…

A:

Q: O Prompt Initially it may seem like this unit is composed of two unrelated topics: (1) Solutions and…

A: Solution- The topics of Solutions and Acids and Bases are related because the properties of…

Q: state and explain the positions of Chlorine in the periodic table

A: We have to state and explain position of Chlorine in the periodic table

Q: ) When solutions of AgNO3 and NaCl react, the balanced molecular equation is: AgNO3(aq) + NaCl(aq)…

A:

Q: SHOW YOUR WORK! Use conversion factors to determine the answers to the Following questions. Do not…

A: To solve this problem we will use the law of dilution .  Here, we will use the formula  M1V1 = M2V2…

Q: For each of the following reactions, identify which reactant is the Lewis base.

A: An acid is defined as substance which is capable of accepting a pair of electrons and a base is…

Q: Review the list of common titration errors. Determine whether each error would cause the calculation…

A: Volumetric titration is a quantitative analytical method of determining the concentration of an…

Q: Suppose you mix 100.0 g of water at 23.6 °C with 75.0 g of water at 78.5 °C. What will be the final…

A: Answer: This question is based on energy conservation where energy lost by hot water will be equal…

Q: 108. Arsenic acid (H₂AsO) is a triprotic acid with K,, - 5.5 × 10³, K₁₂ 1.7 X 10 7, and Ka, 5.1 X…

A: Triprotic acid can gives 3 H+ ions at each dissociation with 3 dissociation constants. Concentration…

Q: How many transition states are involved in the following reaction?

A: The question is based on the concept of organic reactions. we need to identify the transition States…

Q: Using information from previous questions and assuming a one to one stoichiometry, starting with 5…

A: The question is based on the concepts of experimental Chemistry. we need to calculate theoretical…

Q: A student added a solution of OH- ions dropwise to a solution containing 0.10 M of Fe²+ and 0.10 M…

A: This question is based on solubility and solubility product constant.

Q: Provide the major organic product of the reaction shown below. Please provide reasoning and steps.…

A: Given reaction:-

Q: 1 2. Pd/C, H₂ 3. Br₂, FeBr3 heat Br Br 600

A: Given that, a reaction scheme is shown below We have to give the detailed mechanism of the above…

Q: Question 31 ✔ Saved A chemical is found to be 80.0 % C and 20.0 % H. If the molar mass of this…

A: Solution- To determine the molecular formula of the compound:we need to first determine its…

Q: 88. Use Table 14.3 to help answer the following questions. d. Which is the stronger base, C6H5NH₂ or…

A: According to conjugate acid base principle, a strong acid has a weak conjugate base and a weak acid…

Q: The molecules of the substance ammonia are made up of three hydrogen atoms bonded to one nitrogen…

A: Answer: Ammonia (NH3) Structure: Ammonia has a trigonal pyramidal molecular structure according to…

Q: Please provide mechanism and structures for intermediate A and intermediate B

A: In the given question we have to draw the following mechanism of the reaction and identify the imine…

Q: 47. If beaker 1 holds a 4% m/v KCI solution sketch the new volume in beaker 2 if you diluted the 1st…

A: Answer: Dilution process doesn't change the quantity of solute in the solution. It simply changes…

Q: Ⓒ Calculate the amount of heat (joules) required to convert 200g of gas at 100°C. ice cubes (0°c) to…

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Q: 17) Potassium nitrate is soluble in water. Is this statement correct? * KNO3 Yes No In some cases,…

A: ♠ The common solubility rule is - " like dissolves like" i.e. polar solutes are dissolved in polar…

Q: 1. KMnO4, HO™ 2. LiAlH4 in Ether 3. H₂O, H₂SO4 4. KOBu, tBuOH 5. NaH, Mel OMe OMe

A: We have given the organic reaction and we have to Draw the full mechanism with curved arrows.

Q: Which of the following transitions are allowed in an atom? Justify your answer. ³P ¹D ³S → ¹S ³S¹P

A:

Q: Which of the following ligands would have the greatest affinity for Al3+?   a)         SH-      b)…

A: The size and charge of the ligand are important factors in determining its affinity for a metal ion.…

Q: please provide the correct IUPAC name for the compound represented in the image.

A: Solution: We know  the IUPAC name of the haloalkane can be written by using the following simple…

Q: When aqueous solutions of K₂CO3 and AuCl, are mixed, the products of the reaction are: KCl, and…

A: Given here, aqueous solutions of K2CO3 and AuCl3 are mixed and we are asked the products of the…

Q: The hydronium ion concentration of an aqueous solution of 0.579 M quinoline (a weak base with the…

A: We have to calculate [H3O+]

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: Given,Activation energy Ea = 45.0 kJ/molAt 287.0 °C the rate constant = 6.4 × 105 M-1 s-1Required,…

Q: How many polar bonds are represented in this structure? H O 5- O 3 02 H None of the bonds are polar.

A:

Q: (4) Radioactive decay follows first order kinetics. How manyμgof a3.42μgsample ofCo−60remain after…

A: The question is based on the concept of chemical kinetics.   we need to calculate quantity of sample…

Q: Draw the chair conformations of all of the following molecules. If more than one can be drawn, draw…

A: In chemistry, the stability of cyclic compound is determined by drawing it in chair form. The cis…

Q: 2. Given the following VSEPR codes, draw the following molecules as a 3D model. Use A & B as "atoms"…

A: We have to draw the structures using the VSEPR codes and name the molecular geometry

Q: write the retrosynthesis of longifolene

A: The longifolene is the common chemical name of a naturally occurring, oily liquid hydrocarbon found…

Q: Calculate the pH of a solution that has a hydronium ion concentration, [H3O+], of 5.60 × 10-4 M. pH…

A: Hydronium ion concentration [H3O+] = 5.60 × 10-4 M. pH of the solution = ?

Q: Use the concepts learned in class to predict the most likely TWO charges that scandium, Sc, would…

A: Atomic number of Scandium(Sc) = 21 Electron is removed from outermost shell. Electronic…