Write the atomic symbol (including the atomic number) for the isotope of neodymium with 90 neutrons. • Write the answer in the form X using the atomic symbol button in the toolbar, where A is the mass number, Z is the atomic number, and X is the chemical symbol for the unknown element.

Q: Consider the structure below. This substance should be Η Η Η Η Η Η Η Η || | | | |||…

A: Remember, Like dissolve like. It means polar substances will be soluble in polar solvents and…

Q: Ti me [A] [B] [C] [D] (mi (M) (M) (M) (M) n) 0.2 0.60 0 0.00 0.00 00 0 0.1 0.58 0.00 0.00 5 94 9 51…

A: General Chemistry question Explanation:Approach to solving the question: General approach  Detailed…

Q: NH₂ 1. NaNO₂, HCI 2. NH₂ -N(CH3)2 NaBH3CN [H₂SO4] FF HH NH 1. excess Mel 2. Ag2O, H₂O, heat CHCI 3…

A: CHCl3  in presence of NaOH give dichloro carbene

Q: C2H4 (g) + H2O (l) → C2H5OH (l) ΔH=? 1.C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ΔH = -1367,5 KJ…

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Q: What is an expected product of the following reaction? HBr ?

A: Given reaction is reaction of alkene with hydrobromic acid.This reaction is known as…

Q: 0-0 ОН acetone, H,O; Then HCI, H20

A: Concept: the above reaction is an example of oxidation reaction. Here the reagent dioxane is use as…

Q: 4. (aq) (aq) BeSO, (aq) + H,O(1)

A: Given_____    (aq)  +  ____   (aq) → BeSO4(aq) + H2O (l)

Q: CO(g) +H₂O(g)→ CO₂(9)+ H₂(9) Na₂CO3(s) + H3PO4(aq) → Na₂HPO4(aq)+ CO₂(9)+ H₂O(1) FeO(s) + CO(g) →…

A: Oxidation: Increase in oxidation numberReduction: Decrease in oxidation number

Q: 2HBr(aq)+Ba(OH)2(aq)----> 2h20(l)+BaBr2(aq)C2H4(g)+3O2(g) -----> 2CO(g)+2H2O(l)Cu(s)+FeCl2(aq)…

A: Please see the attached files.Explanation:Thank You.

Q: The balanced equation for Zinc sulphate heptahydrate +. Calcium Acetate monohydrate with the states…

A: The chemical formulas for given compounds are as follow : Zinc sulphate heptahydrate       =…

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Q: At a given temperature, the equilibrium constant K. for the reaction below is 2.37×10-3. 2S0, (g)…

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Q: what are the coefficients missing on the following equation?_KNO3+_H2CO3--->_K2CO3+_HNO3 (2,1,1,2)…

A: In the given question we have to balance the chemical reaction with proper coefficient as shown…

Q: Is this answer correct? Pretty sure it is, but I just want to make sure :) Thanks!

A: Yes you are correct  Enthalpy and Entropy both are positive.

Q: [ 12] What is major product of following reaction ? +

A: It is an example of Diels Alder reaction and involves the two components - diene and dienophile.

Q: Given the following data NH3(g) N₂(g) + H₂(g) 2H₂(g) + O₂(g) → 2H₂O(g) calculate AH for the reaction…

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Q: Use and modify some/all the reactions provided to form the indicated overall reaction according to…

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Q: 1. Consider these three reactions as the elementary steps in the mechanism for a chemical reaction.…

A: Answer: Enthalpy change for a reaction is an extensive property, it can be added or substracted the…

Q: stru Wh

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Q: H₂CO CH3 Дон . H2SO. 2) NazCrzO, H2SO., heat

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Q: so, H,SO, Br2 ON Zn FeBr, HCI(aq) HNO, H,SO,

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Q: (4d-202) A buffer solution is made by mixing H3PO4 and NaH2PO4 in water. How does this buffer system…

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Q: A А A BUDE F D CI AICI 3 Br Zn(Hg) + HCl(aq) NBS, light OH (aq) heat B E Br C F ? Br

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A: Hey, since there are multiple questions posted, we will answer first question. If you want any…