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Q: Write the complete electron configuration (spdf notation) for each of the folle A) O B) Ti C) Mg

A: An atom is smallest unit  of matter and it forms a chemical element. 

Q: Arrange the following in order of increasing electron affinity: Fr Fe

A: Electron affinity is the energy change when an electron added to a neutral atom, i.e., the willingne...

Q: At what temperature, in Celsius, does the following reaction change from spontaneous to non-spontane...

A: The given chemical equation is as follows --- 2 A (aq)    +    2 B (aq)     →      1 C (aq)    +    ...

Q: AB2(s) = A(aq)* 2B(aq) %3D The solubility product equation for the dissociation equation shown is

A: Ksp is defined as the mathematical product of its concentrations which is raised to the stoichiometr...

Q: Use energy diagrams to compare catalyzed and ucatalyzed reactions

A: A catalyst is a substance that increases the rate of the reaction by lowering the activation energy ...

Q: Calculate the weight of oxygen required to yield 46.6 grams of carbon dioxide according to the follo...

A: Given :- mass of CO2 = 46.6 g  To calculate :- mass of O2 required (in g)  number of moles = mass/mo...

Q: In a standardization procedure, 0.355 g of sodium oxalate (Na2C204. MW 134 g/mol) was weighed out an...

A: Given values -> Weight of Na2C2O4 =0.355gm Molar mass of Na2C2O4= 134gm/mole Volume of KmnO4 = 8....

Q: A student reacts 2-pentene with H2(g) and chooses iron (Fe) as his catalyst. Identify the outcome th...

A: The answer is given as follows

Q: Chemistry Question

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Q: Ideal Gas Law, Density, and Molar Mass Classwork 8. How many moles of gas does it take to occupy 120...

A: PV = nRT Where, P = pressure in atm; V = volume in L; n = number of moles; R = gas constant (0.082 L...

Q: Consider the following reaction:2NO2 + F2  2NO2Fa. Provide an expression for the rate of this rxn r...

A: We can write the rate expression keeping in mind that the stoichiometric coefficient should be at de...

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reducti...

A: Q.1: In a Galvanic cell, oxidation takes place at anode and reduction takes place at cathode.  Among...

Q: Write is the phase labels for the molecular equation and find the balanced net ionic equation. Ca(C2...

A:     In this question, we have to find out the correct answer of given problem by the help of the con...

Q: What is the hydronium ion concentration in a buffer solution prepared by mixing 50.00 mL of 0.10 M H...

A: Volume of HCN = 50 mLMolarity of HCN = 0.1MMoles of HCN = 0.1 M * 0.05 L = 0.005 molesVolume of NaCN...

Q: 6.48 How is the concept of electron density used to describethe position of an electron in the quant...

A: How is the concept of electron density used to describe the position of an electron in the quantum m...

Q: the föllowing nucleophiles wvould add to an alpha, beta- unsaturated ketone via direct addition? a. ...

A: Direct addition of nucleophile takes place with alcohol on alpha beta unsaturated ketones as they re...

Q: Question 2

A: The balanced chemical equation has to be written,

Q: Consider the balanced reaction between magnesium and oxygen. What is the mass in grams of MgO that c...

A: The balance chemical equation :  2Mg + O2 ---> 2MgO Mass of Mg = 1.80 g. Mass of O2 = 2.17 g. Mas...

Q: CH2=CH-CH2-CH3+HBr Based off Markovnikov's rule, draw both possible products for the following asymm...

A: According to Markovnikov's rule the H+ will attack the C atom of double bond which have greater no o...

Q: The combustlon of propane (C,H) In the presence of excess oxygen ylelds CO, and H,0 as shown below. ...

A:

Q: 1. Lithium sulfate is soluble in water. Write the formula of the ions that exist in solution.

A: Given that :

Q: a. If 226 grams of aluminum chloride are produced, how many grams of chlorine reacted? (180. grams C...

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Q: The reaction of [CoCl(NH3)5]2+ with OH– gives [Co(OH)(NH3)5]2+. (1) What mechanism would one predict...

A:     In this question, we have to find out the correct answer of given problem by the help of the con...

Q: Use the References to access important values if needed for this question. A sample of GeBr4 with a ...

A: Given Mass of GeBr4 = 29.6 g Moles = given mass/ molar mass Standard values  Molar mass of GeBr4 ...

Q: A helium balloon has a volume of 1.30 L at 27.°C and a pressure of 1.00 atm at sea level. The balloo...

A: According to the ideal gas law, we know that  PV =nRT Where P is the pressure of the gas V = volume ...

Q: The hydride ion is very basic and reacts readily with compounds having even weakly acidic protons to...

A: Introduction: As per Bronsted-Lowry concept, an acid is a substance which can donate protons and bas...

Q: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reactio...

A: Please have a look on the solution :

Q: Looking at the following equation, what is the mol ratio between C2H2 and O2? 2C2H2(g) + 5O2(g) --&g...

A: Given 2C2H2 (g) + 5O2 (g) --> 4CO2 (g) + 2H2O(g)

Q: An atom of S has core electrons and valence electrons. A) 16 and 6 B) 6 and 4 C) 6 and 0 D) 10 and 6...

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Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3Cu* (aq)+2A...

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Q: 9. «Compound A is treated with HONO, followed by a reaction with Compound B; the final product obtai...

A: 1 H NMR spectroscopy 1-1 H NMR Spectroscopy is also known as proton nuclear spectroscopy which deals...

Q: 1. The following are all relatively inexpensive aromatic compounds that could have been used as subs...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: 1. Describe how the technique of back titration could be used in an acid-base neutralization if the ...

A: "Since there are multiple question, and it is not specified which question has to solve , i am solvi...

Q: 11. Mrs. Parris demonstrates a reaction between a metal and a dissolved salt (aqueous). Balance the ...

A: Given reaction; 3Mg  + 2Ni(NO3)3 (aq)  ---->  2Ni   + 3Mg(NO3)2 (aq)   Given mass of Mg = 15.4 g ...

Q: Calculate the percent mass/volume (%m/v) for the solute in each of the following solutions: A.75 g o...

A:

Q: Determine the formal charge on the nitrogen atom in each of the structures. NH3 NH2 H2N-OH E All non...

A: 1. The formal charge of Nitrogen in structure A is + 2.The formal charge of Nitrogen in structure C ...

Q: Identify the functional groups in the below molecule, be specific : (hint: there may be more than on...

A: A functional group is a specific group of atoms or bonds within a compound that is responsible for t...

Q: QUESTION 28 Match the following elements/ions with the proper ground state electronic configurations...

A: From total number of electrons we can determine ground state electronic configuration.

Q: Balance the following equation: C 2H 6 02-> H 20 CO 2

A: Balanced equation - A chemical equation is said to be balanced  when number of each type of atom are...

Q: Acetylene gas, C2H, is used for welding. A 5.00 liter supply of acetylene stored at -23 °C, exerts a...

A: Initial Volume = V1= 5 LInitial temperature = T1 = -23°C = (-23+273.15) K = 250.15 KInitial pressure...

Q: the reaction order is first order

A: Ans is B one

Q: Aluminum hydroxide reacts with an excess of hydroxide ions to form the complex ion Al(OH)4-.a. Write...

A: 1. a) A general reaction take place between Al(OH)3 and excess OH- ions to form Al(OH)4- as follows:...

Q: Suppose that the molar enthalpy of a reaction is 47.06 kJ/mol and 37.51 kJ of heat are absorbed by t...

A: The answer is given as follows 

Q: Can i get help with these problems

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Q: what is the molecular weight of glucose if 3.62g of it lowers the freezing point of 25.0g of naphtha...

A: Given: The mass of glucose=3.62 g. The given mass of  naphthalene=25 g. The value of Kf for  naphtha...

Q: What is the pH of a buffer system that is 0.25 M in NH3 and 0.26 M in NHẠCI? Kb NH3 = 1.8 x 105

A: To determine pH of buffer solution Henderson- Hasselbalch equation can be used. Given solution is ba...

Q: Summarize the evidence that led to the introduction ofquantum theory.

A: The evidence for that led to introduction of quantum theory has to be given.

Q: Is the compound soluble or insoluble in water? What is the geometry around each carbon atom?  What i...

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Q: In a 4.00 L pressure cooker, water is brought to a boil. If the final temperature is 115.0 °C at 3.0...

A: Volume=4L Temperature= 115°C=(115+273)K=388K P=3 atm R=0.0821atm- L/mol -K Used formula-> PV=nRT

Q: The coefficients in a balanced chemical reaction are commonly used in stoichiometry to: O provide ma...

A: During balancing of chemical reaction we use some coefficients called stoichiometry coefficients.