< Question 12 of 35 A line in the Lyman series of hydrogen has a wavelength of 122 nm. From what state did the electron originate? n; = In which region of the electromagnetic spectrum is this line observed? O visible O microwaves O gamma rays O X-rays O ultraviolet O infrared Pu Ouarrie Rock, And Gallogly 4e-General Chemsitry

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A: Given information:Mass of KCl produced = 57.9 g

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A: First, determine the moles of aluminium.The molar mass of aluminium is 26.982 g/mol.

Q: Magnesium nitride, Mg3N2, can be produced from magnesium metal, Mg, and nitrogen gas, N2, in the…

A: The molar mass of N2 (MMN2) is 28.01 g/mol So, the number of mol of N2 (NN2) present in 10.5 g of…

Q: Sulfur, S8, and oxygen, O2, react to form sulfur trioxide, SO3, in the (unbalanced) chemical…

A: Number of moles is equal to the ratio fof mass to molar mass of substance. Number of moles=MassMolar…

Q: 17 Consider the imaginary molecules A2, B2 and B₂A. A-A + B-B B-B B-A-B B-A-B The molar enthalpy of…

A: Molar enthalpies of formation of:A-A = -20 kJ/molB-B = -10 kJ/molA-B = -15 kJ/molThere are 2 B-B…

Q: Draw the Lewis structure of PBr, and then determine if the molecule is polar or nonpolar.

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A: Given,Mass of Na = 34.5 gMass of Br2 = 34.9 gMass of NaBr produced =37.3 gMoles of Na and Br2 can be…

Q: Он CH3 a H3C-CH-CH3 and b CH3CHCH2CH3 What IR absorption would you use to distinguish between the…

A: IR spectrum helps us to find the type of functional group present in a particular molecule. IR…

Q: What are the mole fraction and the mass percent of a solution made by dissolving 9.19 g of KI in…

A: Mole fraction of KI = no. of moles of KI/total moles  Number of moles = mass/molar mass

Q: Starting from benzene, propose a synthetic strategy that will synthesize the following molecule:

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Q: Covalent Compounds Name the following covalent compounds. Chemical Formula Name 1. SiF. 2. N:Sa 3. |…

A: Chemical formula Name SiF4 Silicon tetrafluoride N2S3 Dinitrogen trisulfide HBr Hydrogen…

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A: Given,Moles of ethane, C2H6 = 5.85 molThe balanced chemical reaction is given as:2 C2H6 (g) + 7 O2…

Q: 1. Give the electron configuration for the following atoms using appropriate noble gas inner core…

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

Q: NaHCO3 (aq) + HCI (aq) --> NaCI (aq) + H2O (1) + CO2 (g) The contents of your stomach typically his…

A: For complete neutrilization, same no. Of moles acid and base consumed provided that vacancy of both…

Q: 5. Methane (CH) undergoes combustion according the following reaction: CH. (g) + O2 (g) → CO: (g) +…

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Q: 2. Precision of Measurements -Mass of Graduated Cylinder: 128.659g a.) Mass grad. Cylinder +H₂O(1)…

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Q: Find the mass (in grams) in 4.4 X 1023 molecules of CH,

A: Molar mass of CH4 = 16.04 grams Molecules of CH4 in 1 mol = 6.023× 1023

Q: 1. How many moles would contain 32.0 g of C ?

A: Given: The atomic mass of Carbon=12 g/mol The given mass of Carbon=32 g

Q: An optically active compound, C5H10O2, with broad strong IR absorption from 2600 to 3100 cm1 and…

A: optical activity: Tendency to rotate the plane polarised light is called optical activity and the…

Q: How many moles would contain 12.0 g of P?

A: Introduction: As per the International system of units (SI), the moles is the unit of measurement…

Q: A surveyor measures the length of a surveying chain containing 1000 chain links. The length is 0.096…

A: Answer :-  Length of single Chain link = 9.6 cm…

Q: How many grams of sodium cyanide can be produced from 174 grams of The reaction that occurs is…

A: Calcium cyanide reacts with sodium chloride to produce sodium cyanide. Stoichiometrically 1 mol…

Q: Find the mass (in grams) 8.8 X 1023 molecules of NO,

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Q: Showing your work, draw the Lewis structure of fluoromethane, CH3F, showing all bonding and…

A: The structure of fluoromethane (CH3F) is:

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A: The IUPAC nomenclature rules are as follows:1) First, determine the longest carbon chain containing…

Q: Showing your work, draw the Lewis structure of formaldehyde, H2CO, showing all bonding and…

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Q: 1) Write a basic form of the rate law for the following reaction. CIO4 + 8Br + 8H* → Cl + 4B12 +…

A: According to the rate law : Rate of a chemical reaction is directly proportionalto the product of…

Q: Potassium bicarbonate and potassium carbonate both produce potassium chloride (KCI) according to the…

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Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: To solve this problem we will use the given two thermochemical equations to get the enthalpy of…

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Q: 1 Student Worksheet 5.4A Extra Practice Questions: Gravimetric Stoichiometry Complete the following…

A: Answers:- 1) Mass of iron oxide = 718.18 g 2) Mass of precipitate (Ag2S) = 1.45 g  3) Mass of water…

Q: In a series of experiments on the decomposition of dinitrogen pentoxide, N2O5, rate constants were…

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Q: Molecular Formula Total # valence electrons Lewis Structure Molecular Geometry Name

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Q: A gas is in a container whose volume is variable. The container is in an ice bath at 0.00 °C, and…

A: The ideal gas equation is  PV = nRT  P = pressure  V = Volume  n = number of moles R = gas constant…

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A: The given reaction is shown below.

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A: Given,Mass of ND3 = 295.0 mg = 0.295 g   (1 mg = 0.001 g)Moles of ND3 can be calculated as: