Give the electron configuration of C, Mg, Se, Sc, Cu Enter the subshells in the order in which they are filled. (Express your answer as a series of orbitals. For example, the electron configuration of Li would be entered in complete form as 1s22s1.)

Q: Calculate either [H3O+] o or [OH-] for each of the solutions at 25 °C. Solution A: [OH-] = 2.63 x…

A: A solution is acidic if it's pH is less than 7 and it is basic when it's pH is more than 7 , at 7 it…

Q: A rock sample originally contains 4.94 mg of 238U. How much 206Pb will be in the rock sample when it…

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st…

Q: (Ba(CH3CO₂)₂) by measuring out 1.1 × 10² μmol of barium acetate into a 450. mL volumetric flask and…

A: The concentration of a solution is calculated as- Concentration = Moles of soluteVolume of solution…

Q: Which of the following Bronsted-Lowry conjugate pairs is/are CORRECT? H3PO4 – PO43- C6H5COOH –…

A: There are several theories to define acid or Base. Here we are required to find which of the…

Q: How many oxygen atoms are in one mole of Sn(SO4)2- 4.818 x 1024 02 04 08 O 6.022 x 1023

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Q: Four main-group elements a, b, c and d are highlighted in the outline of the Periodic Table below:…

A: Ionization energy: The amount of energy required to remove an electron from an isolated atom is…

Q: i CI CI CN 8) Mg diethyl ether H₂0 H₂O (excess) www 1. NaBH4 ether 2. H.00 H₂O H₂O 1. EtMgBr (2 eq.)…

A: Here, we have to draw the p[roducts of the given reactions.

Q: 26) What carbon (position) is used to make a glycosidic bond? 27) Draw a-D-maltose (a disaccharide…

A: 1) The carbon that is used to make glycosidic bond is anomeric carbon. It is formed by the…

Q: 1. Label each pair of compounds as constitutional isomers, stereoisomers, or not isomers of each…

A: -> Isomers are compounds which have same molecular formula but different arrangement of atoms .…

Q: Calculate the solubility at 25 °C of CuBr in pure water and in a 0.0090M CoBr₂ solution. You'll find…

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Q: Is cholesterol an inherently "bad" biomolecule? a. No, as it is an essential major component of the…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: 25.00 mL of 0.500 M barium chloride solution is mixed with 25.00 mL of 0.500 M silver nitrate…

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Q: Think about the following reaction: 2 A(g) B(g) + 2 C(g) Assume that we start with 100.0 moles of A…

A: This question belong to Some Basic concept of Chemistry that is Mole concept. From Stoichiometric…

Q: 1. Given the following table of standard reduction potentials for a hypothetical element X in an…

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

Q: Question 49 Which of the following is the major E2 product formed from the following alkyl halide? 2…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: At 25 °C, what is the hydroxide ion concentration, [OH-], in an aqueous solution with a hydrogen ion…

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Q: GLYCOLYSIS: 1A) Starting with glucose (in the open-chain Fisher projection), draw out the molecular…

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Q: 3. (a) Fill in the missing reagent and the product? CH3CH₂-CC-CH3 A ? CH3CH₂ (b) Provide the IUPAC…

A: Given that, (a) We have to give the missing reagents and products. (b) We also have to give the…

Q: Question 63 Which of the following is a polar protic solvent? OD) OA) 09 OB) O E) CH3CHOHCH3,…

A: Polar protic solvents are those solvent in which there is electronegativity difference and which…

Q: Find the total amount of heat required to heat 15.00 mL of acetone (d=0.7845 g/mL M.W=58.080 g/mole…

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Q: Predict the major product of the following transformation: A) C) .CO₂Et H₂O* Heat COET C₁0H 100 B)…

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Q: How much PV work is done in kilojoules for the reaction of 0.48 mol of H2 with 0.24 mol of O2 at…

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Q: Consider the equilibrium reaction below: 2Cl2(g) + 2H2O(g) ⇄ 4HCl(g) + O2(g) solve for the Kp at…

A: We are given a chemical reaction with the value oh Kc and asked to calculate Kp for the same .

Q: 73. Calculate the pH of each solution. (a) [OH-] = 1.9 × 10-7 M (b) [OH-] = 2.6 × 10-8 M (c) [OH-] =…

A: To find out pH of a given solution, first calculate pOH of the given solution. Using the relation…

Q: Use the previous example for the chemical reaction 2 HgCl₂(aq) + C₂O²(aq) → 2 Cl(aq) + 2 CO₂ (g) +…

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Q: 3. Regarding the dissociation constant of electrolytes: Pk a = 7 A. The higher the pK, of a weak…

A: As per Arrhenius concept, acids produce the hydrogen ion when dissolved in water and bases produce…

Q: A reaction between liquid reactants takes place at -5.0 °C in a sealed, evacuated vessel with a…

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Q: the Ph of a water is 6, what is the OH- concentration?

A: POH is equal to negative logarithmic of hydroxide ion concentration

Q: When MnO4– reacts to form Mn2+, the manganese in MnO4– is Group of answer choices a.reduced because…

A: Oxidation: It involves loss of electrons or increase in oxidation number. Reduction: It involves…

Q: id hexane (CH₂(CH₂) CH3 reacts with gaseous oxygen gas (02₂ to produce gaseous carbon dioxide (CO₂)…

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Q: What is different for enantiomers? a)The rate at which they react with a chiral column b) the TLC Rf…

A: Enantiomers- These are compounds having the same physical and chemical properties but they are…

Q: The Solubility Product Constant for iron(II) sulfide is 4.9 x 10-18. The molar solubility of…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Two solutions are combined: 611 mL of 139 mM MgSO4 and 566 mL of 174.5 mM NH4OH. How many moles of…

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Q: Refer to the following table: OA B OOO O Half-reaction Ni2+ + 2e Ni Cd2+ + 2e Cd Cute Cu La³+ + 3e →…

A: Higher the value of standard reduction potential for a cell, higher will be its tendency to accept…

Q: In the following reaction, identify which is the Lewis acid and which the Lewis base. Give your…

A: We have been given a reaction and we have been asked to identify Lewis acid and lewis base. We have…

Q: Which half-reaction occurs at the negative electrode (cathode) if the cell is used for silver…

A: Silver plating is a process in which layer of silver metal is deposited on other metals.

Q: There are only two naturally-occuring stable isotopes of chlorine, the masses of which are listed in…

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Q: Fill in the element flowchart for Si: HCI A Si NaOH CH3CI Na₂CO3 SiO₂ HF C H*

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Q: At STP, how many moles of helium would occupy 50.2 L?     2.24 moles     224 moles     22.4…

A: The full form of STP is Standard Temperature & Pressure .Temperature : 0 °CPressure : 1 atmWe…

Q: One route of using natural gas to generate hydrogen is called "steam reforming": CH4 (g) + 2 H₂O(g)…

A: Here , CH4 will be completely used.

Q: 8. In the boxes to the right of each compound indicate the number of signals (NOT PEAKS) that you…

A: Number of signals in 13C NMR and 1H NMR is the number of chemically different carbons and protons…

Q: Which of the following Cl₂ +2e-2CI- Mg²+ + 2e- → Mg 2H+ + 2e- → H₂ Cl₂ H₂ Mg is the best reducing…

A: Greater the value of standard reduction potential of a redox couple , stronger be the oxidizing…

Q: O ELECTROCHEMISTRY Calculating the mass of an electrolysis product from the applied.... When a lead…

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Q: From the following data at 25°C, H2(g) + Cl2(g) → 2HCl(g) 2H2(g) + O2(g) → 2H2O(g) AHO=-185 kJ…

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Q: Consider the mixing of 25.00 mL of 0.0500 M Pb(NO3)2 with 25.00 mL of 0.0500 M NaCl and the…

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Q: Write the systematic (IUPAC) name for each of the following organic molecules:

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Q: Chemistry Calculate the standard free energy at 94°C for the reaction shown below 3 Fe(s) + 4H₂O(l)…

A: The standard free energy can be calculated by the formulae, ∆G° = ∆H° - T∆S° where delta H is the…

Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas…

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Q: How many protons does the As3-ion possess? 33 30 36 04 08

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Q: A chromatographic procedure separates 2.0 mg of sample on a 4.6 i.d. x 150 mm column with a flow…

A: Column chromatography is a separation technique used for the separation and purification of…