Identify the atom with the ground-state electron configuration shown for its valence shell. 4s²3d¹0

Q: chemist prepares a solution of potassium dichromate (K₂Cr₂O₂) by measuring out 37. μmol of potassium…

A: A homogeneous mixture of two or more substances is known as a solution. The species which present in…

Q: A chemist titrates 50.0 mL of a 0.4173M nitrous acid (HNO₂) solution with 0.2299 M KOH solution at…

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Q: In a constant-pressure calorimeter, 65.0 mL of 0.910 M H₂SO4 was added to 65.0 mL of 0.300 M NaOH.…

A: First we need to calculate heat of reaction .  Then we would calculate moles of H2O produced using…

Q: Explain how the bond length of a diatomic molecule may be determined from the measured spacing…

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Q: In the molecular level picture of gases, what do the particles represent? A. atoms like N, O, Ar and…

A: At the molecular level, the properties of gas like pressure, temperature, and effective collisions,…

Q: Approximately 0.18 g nickel (II) hydroxide, Ni(OH)₂ (s), dissolves per liter of water at 20°C.…

A: Mass of Ni(OH)2 = 0.18 g Molar Mass of Ni(OH)2 = 92.7 g/mol

Q: What is the major constitutional isomer product of the reaction between methanol and…

A: The above reaction is an E2 elimination reaction, where the leaving group and acidic hydrogen should…

Q: For the reaction below ΔH = -296 kJ per mole of SO2 formed. S(s) + O2(g) → SO2(g) (c) What quantity…

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Q: (b) The chemical shift of compounds are as follows: Sn 4+ 4+ 0 mm s. -1 Sn (4-coordinate), 2.1 mm st…

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Q: A chemical reaction between X: (red) and Y₂ (blue) produces XY (red-blue). All compounds are in a…

A: Molecules of X2 = 3 Molecules of Y2 = 6 Molecules of XY = 7 Each molecule = 0.10 bar

Q: A. What atom besides carbon and hydrogen is in this compound? B. Determine the chemical formula.…

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Q: = O CHEMICAL REACTIONS Solving moles-to-moles limiting reactant problems Hydrogen (H₂) gas and…

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

Q: Hydrazine (N2H4) and hyfrogen peroxide (H2O2) have been used as rockets propellants. They react…

A: The balanced chemical reactions is given as, 7H2O2 + N2H4 --> 2HNO3 + 8H2O We need to find the…

Q: Samples containing iron (II) ion can be titrated with solutions containing dichromate ion

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Q: 10. Draw the product/s. a. NaSCH 3 b. IG CH3SH

A: Strong nucleophile favours SN2 reaction while weak nucleophile SN1 reaction.

Q: a sample of gas is contained in a 2.4 L container with a pressure of 656 mmhg. the containers volume…

A: We have to calculate the final volume of the container

Q: A 7.89 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: Write a summary of Importance of Biodiversity

A: Given question is about biodiversity. We need write to about importance of biodiversity.

Q: 10.0mL solution of aspirin (weak monoprotic acid) required 8.4mL  Of 0.0245M NaOH to reach endpoint.…

A: Given that, a 10.0mL solution of aspirin (weak monoprotic acid) required 8.4 mL of 0.0245M NaOH to…

Q: A piece of unknown substance weighs 56.6 g and requires 3.56 kJ to increase its temperature from 312…

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Q: containing carbon, hydrogen, and oxygen produced 0.1450 g of CO₂ and 11) Combustion analyses of…

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Q: Fractional distillation can be represented on a temperature-composition diagram using a stair-step…

A: Here we have to  predict true or false about the  given statement regarding  distillation of binary…

Q: In a constant-pressure calorimeter, 55.0 mL of 0.310 M Ba(OH)₂ was added to 55.0 mL of 0.620 M HCl.…

A: First we need to calculate the heat of reaction using formula  Q = mC∆T Then we need to calculate…

Q: HF reacts with OH-, resulting in F- and H2O. Which state is true? A. HF is an acid because it…

A: The reaction can be written as follows, HF + OH-→ F- + H2O Here HF is releasing a proton and OH- is…

Q: What is the product and mechanism (CH₂=CH)₂CuLi + CH3CH₂CH=CHCH₂ Br

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Q: Identify which sets of quantum numbers are valid for an electron. Each set is ordered (n, l, m, m₂).…

A: Here, we have to find the correct sets of quantum numbers for an electron in an atom.

Q: An unknown substance has a mass of 22.5 g. The temperature of the substance increases from 27.9 °C…

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Q: Mass of NaCl     __5.844______ g Total volume of solution    ___100______ mL Molarity of solution…

A: Molarity: The number of moles of a solute present in one liter of solution is known as the molarity…

Q: The percent by mass of manganese(II) in MnO is %.

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Q: 17. Place the following molecules in increasing C-N bond length: HƠN, CHÍNH, CHÍNH A) CHÍNH-CHÍNH B)…

A: The organic compounds are HCN, CH3NH2, CH2NH,  Compare bond C-N Bond lengths in the above molecules

Q: Draw all the major products resulting from the reactions below, taking into consideration both the…

A: -> When Br2 reacts with alkene first of all bromonium ion formed if external unucleophile present…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: The reaction below could run through both substitution and elimination reactions. 1. Provide the…

A: We have to give the reagents and the mechanisms of the given reaction scheme. Concept:…

Q: How many moles are in 5.83 g of the compound Happyase if it has a molar mass of 40.24 g/mol? (enter…

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Q: X _ ОН 5

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Q: What is the organic reaction for substitution (halogenation of Alkanes)? I have written Alkane +…

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Q: It takes 157. kJ/mol to break a nitrogen-oxygen single bond. Calculate the maximum wavelength of…

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Q: 2-naphthol compared to nerolin ..... (choose all that apply)? A. is more polar B. is less polar…

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Q: Calculate [OH-] of NaBrO, 0.810M; KaHBrO = 2.0 x 10-⁹. 2.0 x 10-5 2.0 x 10.3 4.5 x 104 4.5 x 10.5…

A: pH of a salt of weak acid and strong base is calculated as  pH = 7- (1/2)pKa + (1/2) log (C)  Where,…

Q: -paces provide, class of polymers that are made from them. Name the type of monomer: Polymers made…

A: Monomer: The building block of a polymer is called monomer. polymer: The large and high molecular…

Q: We start with a sample of pure A(g). The following equilibrium is established 2 A(g) B(g) + C(g)…

A: Given: Total pressure = 8.33 atm Temperature = 25.0oC = 298 K Partial pressure of A(g) = 5.26 atm

Q: Oxygen at 30 °C and 300 kPa absolute pressure ex- pands isothermally to an absolute pressure of 120…

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Q: Gas pressure is caused by what molecular level activity? A. particles colliding with each other B.…

A: Given that Gas create pressure. We need to find the reason behind it at molecular level.

Q: 3. Draw the arrow pushing mechanism for the reactions below: of 요 HO OH H*, CHINH, PPhs H+

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Q: Li -0.864 Be'* Bit cit Nit out -1.49 -1.33 -1.81 -2.33 -2.18 1. why are 3. all of the values…

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Q: MgCl2 is an ionic compound that is soluable in water. Draw a molecular level picture that represents…

A: The intermolecular forces are the forces of attraction or repulsion that exit between the molecules…

Q: The rate law for is rate = k[NO]²10₂1. The following mechanisms have been proposed: I. 2 NO(g) +…

A: The reaction is given as, 2NO + O2 -----> 2NO2 And the rate law expression is given as, Rate = k…

Q: Determine what category "150g of cheese" belong in for the following problems: "If you want to make…

A: Quantity is the amount of something.

Q: Pepto bismol contains 1225 mg of bismuth subsalicylate in every 35 mL. What is the weight/volume…

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Q: 3. How many liters of 1.25M HCI are needed to react with 0.444 moles of Lead II Nitrate? Pb(NO₂)(aq)…

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