For the fake elements described below, determine the charge of the most stable ion.   A) ____ Element Vossium, symbol Vs, has the following ionization energies: E1 250 kJ E2 500 kJ E3 750 kJ E4 3000 kJ E5 3350 kJ   B) ___ Element Steelium, symbol St, has the following ionization energies: E1 12000 kJ E2 28000 kJ E3 31000 kJ E4 35000 kJ E5 39500 kJ

Q: or OH- H. CH3 1) NaOH EtONa, heat 2) 3) H30* work up

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Q: A eudiometer tube (ET) is found to have a conversion factor "f" of 0.89 mL/ET unit. The experimental...

A: The conversion factor for the Eudiometer tube ; = 0.89 ml/ET The reading on Eudiometer tube = 37.10 ...

Q: The value of K, at 25°C for proplonic acid (CaisCOgH) is 1.34 x 10. What is the pH of a 0.02019M aqu...

A: Answer: This question is based on the understanding of Henderson-Hasslebalch equation that we use fo...

Q: BOYLE'S LAW 1-5. A sample of collected nitrogen gas has a new volume of 750 L, and its pressure decr...

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Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g) 16CO(g) + 18H20(). Given ...

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Q: Enter your answer in the provided box. The reaction between nitric oxide (NO) and oxygen to form nit...

A: First find the moles of NO2 and than from this find moles of O2 and finally the mass of O2. 

Q: formula Binary? Covalent or Polyatomic ion? Cation variable charge? What? Yes, Gold(II) Name ionic o...

A: Note: As per company policy we are supposed to attempt first three subparts only. Please repost othe...

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Q: Calculate the pH of the buffer system made up of 0.17 M NH3/0.47 M NH,CI.

A: Given : buffer solution of 0.17 M NH3 and 0.47 M NH4Cl  To calcxulate :- pH of  given buffer.

Q: Formic acid (HCHO,) has a K, 1.8 x 10. What is fractional composition (a) of formic acid in solution...

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Q: Of course, this proposed law is hypothetical. Using the following data collected experimentally (pro...

A: Data  Time (s)  [NO2], M  ln [NO2] 1/ [NO2]  0  1.00 x 10-2 -4.60517 100  60  6.83 x 10-3 -4....

Q: Calculate the standerd enthalpy chenge for the reaction 2CgHa- 1702g - 16COg- Hzon Given 2CH1s)+250,...

A: The enthalpy of a reaction calculated in a single step will be equal to the enthalpy of the reaction...

Q: 1. Use condensed structural formulas to write the equation for the formation of methyl acetate. 2. A...

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Q: De sure to amer all parts Ue the table to caleulate AG for the following reactions at 28°C. Species ...

A: The ∆Grxn° for general reaction can be calculated as; aA  +  bB   →   cC   +    dD ∆Grxn° = c∆Gf° fo...

Q: CH4 instead of water. The enthalpy Imagine a person sweats for evaporating liquid CH4 is +8.2 kJ/mol...

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Q: If 38.6 mL of 0.25 M hydrochloric acid are needed to completely neutralize 26.0 mL of a solution of ...

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Q: The tetrachloroplatinate anion has Dah symmetry. Use sketches to show that the Pt dxy orbital has B2...

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Q: C-OH COOH 100° Amide HO `NHCH

A: Here we have to write the major product formed in the following given reactions.  

Q: For the particles of an atom, which two particles have the same mass?

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Q: Consider the problem below: (Equation 1) H2(g) + F2(g) ---> 2 HF(e) AH = -542.2 kJ/mol %3D (Equation...

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Q: Find the number of moles of the indicated element a) 9.75 g of B2O3 b) 187.2 mg of Na2B4O7 . 10H2O c...

A: Given data is as follows: (a) The mass B2O3 given = 9.75 g The moles of substance can be calculated ...

Q: acid-base titration

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Q: . Among the choices, choose which will have the lowest energy for a Pd2+ ion? a. 3P0 b. 3F4 c. 3F2 ...

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Q: For each pair of isomorphous substances, select which would have the lattice energy of lesser magnit...

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Q: 1) NaOH, H2O 2) РСС H H.

A: Given reaction is aldol condensation followed by oxidation with PCC

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A: Given is organic reaction.   

Q: For many purposes we can treat ammonia (NH,) as an ideal gas at temp Suppose the temperature of a sa...

A: To solve this problem we will use the combined gas law .  Which is given as  P1V1/T1 = P2V2/T2     

Q: Enter your answer in the provided box. Calculate the average atomic mass of chlorine. The percentage...

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Q: Pentaborane B5H9(s) burns vigorously in 02 to give B203(s) and H200). Calculate AHpxn for the combus...

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Q: Give an example of an oxyacid (containing a polyatomic ion) in aqueous solution and it’s formula

A: Oxyacids are the oxygen containing acids.  Polyatomic ion means ion having a group of atoms.

Q: 30. The composite wall of an oven consists of three materials A, B and C. Under steady state operati...

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Q: Cation Symbol Anion Symbol and charge Compound Formula Name And charge lithium fluoride Li* F LiF so...

A: Cation : Cations are positively charged ion  Anion : Anion are negativity charged ion .  

Q: plz solve it within 30-40 mins I'll give you multiple upvote

A: Mass of unknown = 1.000 gram Mass of Isolated Cu = 0.9550 gram To find : Formula weight of Compound 

Q: You started with 1.000 g of unknown and isolated 0.9550 g of metallic Cu. What is the calculated for...

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Q: Calculate the pH of a 0.63 M sodium formate solution (HCOONA). К, for HCOO"- 5.9 х 10-11 pH =

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Q: What conversion factor would you use to convert 72.9 g Cl to moles of Cl?

A: given, the mass of Cl = 72.9 g the molar mass of Cl = 35.5 g.mole-1

Q: Fill in the boxes below with the necessary reagents. Each box must be one synthetic step (i.e., one ...

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Q: 2. Consider the following reaction and the tabulated thermochemical data at 298 K. 4 NH3(2) + 5 O2(g...

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Q: 3.56469003 Be sure to answer all parts. The AG" for the reaetion H2(g) + I;(g) = 2HI(g) is 2.60 kJ'm...

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Q: /hich of the following reactions will result in formation of a ketone? 1) 0=C=0 CA) MgBr 2) H3O* 1) ...

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Q: free

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Q: In each box please fnd and then write the correct element by name, its atomic number, atomic mass, a...

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Q: Draw a graph of free energy G (y-axis) vs reaction progress (x-axis) that illustrates what the kinas...

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Q: 2NaOH + H2SO4→ → Na2SO4 + 2H2O What is the mole ratio of sodium hydroxide to water?

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Q: Substantially discuss how Nitration of Toluene works

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Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, yellow, and C is re...

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.