what chemical substance is formed when the −H and −OH ends are joined?

Q: 16). Using the thermochemical data below calculate the lattice energy for the formation of Na₂O.…

A: • Since, here the lattice energy for the formation of Na2O is required.  • So, for the formation of…

Q: How does the potential energy of the system change (increase/ decrease) as two oppositely charged…

A: Potential energy between two changed particles is givem by Potential energy = -kq1q2/r As the…

Q: A chemical bond can be formed in all the following ways involving electrons except…

A: The different types of chemical bonds forms are  1) Ionic bond : this bond is formed when 1 element…

Q: are excellent conductors of electricity? in solution and in liquid state e3 The ions are locked into…

A:

Q: Use average bond energies to estimate the energy released when 70.0 g CH4 undergoes complete…

A: Reaction: CH4(g) + 2O2(g) ---> CO2(g) + 2H2O(g) Using standard data,BondBond energy…

Q: Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC≡CH (g) +…

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Q: Draw the Lewis structure for the tribromide  Br−3  ion.

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Q: water-softening ion exchange systems is

A: The prese of Ca , Mg salts results hardness of water . This Ca or Mg salts react with chemical…

Q: Arrange the following elements in order of decreasing electronegativity.   Rank from most to least…

A: Electronegativity is the tendency of an element to attract the electrons towards itself.

Q: Which reaction below represents the second ionization of Sr?   Sr(g) → Sr+(g) + e- Sr2+(g) + e- →…

A: Given  Element = Sr  Second ionization reaction  = ?

Q: What is the enthalpy change, Delta Hrxn, for the following reaction?       2 NaOH (s) + CO2 (g) →…

A: Given reaction 2 NaOH (s) + CO2 (g) → Na2CO3 (s) + H2O (l) From the literature, standard values

Q: show the Lewis Structures of all reactants and products. If there is any electron transfer, describe…

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Q: Consider the reaction: BF, + F → BF according to Lewis, this is an acid-base reaction

A: Lewis Acid - Base  * The substance or Molecule which gain the electron is called as Lewis Acid . *…

Q: Consider the dissolution of calcium chloride in water. Which of the changes listed below will…

A: Lechatelier Principle is used to explain the change during an equilibrium reaction so that overal…

Q: I was instructed to balence the equation of HCl(aq) + NaHCO3(aq) which yields to H20(l) + CO2(g)…

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Q: DRAW the Lewis structure for the carbonate ion, co,2-. How many identical resonance forms exist for…

A: The picture  D represents  the  correct diagram for overcoming  all rhe intermolecular  forces .…

Q: draw the structure of water and CO2 with dipole moments. please write the dipole values for water…

A: Dipole moment arise because of electronegativity difference. And it measures the polarity of the…

Q: sketch the potential energy curve for an endothermic and exothermic reaction. Explain why some…

A: Please find your solution below : Potential energy diagram is a graphical representation that…

Q: Calculate the enthalpy of the reaction below (∆Hrxn, in kJ) using the bond energies provided. 2…

A: 2H2(g) + O2(g) ------> 2 H2O(g) Enthalpy change=reactant side bond energies- product  side bond…

Q: 7. Use bond enthalpy data from table 8.4 (chapter 8) to calculate the AH for the following reaction:…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: Draw the lewis structure of the neutral atom and the ion of flourine

A: Fluorine is the most electronegative atom. In the Lewis dot structure, the number of valence…

Q: The picture below shows a model of a chemical reaction. The magnitude of energy associated with each…

A: The bond enthalpy is the energy required or released during the breaking or forming of bond.

Q: the cyanide ion reacts with hydrochloric acid. explain why the H+ ion favor one atom in the…

A: Up until now we have been discussing only the elemental forms of atoms which are neutrally charged.…

Q: Draw the Lewis structure for the ammonium (NH ) ion. 4

A: Lewis structures or Lewis dot structures are defined as the diagrams which shows the bonding between…

Q: Use lewis symbols to represent reaction between Ca and F atoms

A: The nature of Bond formed between calcium and fluorine is electrovalent ionic. Chemical formula :…

Q: Use polarity and bond strength arguments to explain why HF is a stronger acid than H2O.

A: Answer:- The polarity of a covalent bond is defined by using the electronegativities of the bonded…

Q: Rank the following ionic compounds in order of lattice energy, from the least exothermic (least…

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Q: with an explaination, state whether you would expect the OH bond in water to be longer or shorter…

A: The bonds given are O-H bond and S-H bond.

Q: Calculate the lattice enthalpy for RbCl. You will need the following information: Species AfH,…

A:

Q: Water is a peculiar molecule. Based on the atomic composition, it is composed of hydrogen and…

A: In water hydrogen and oxygen molecules are bonded covalently.

Q: Arrange the oxoacids of chlorine according to strength. HCIO, HCIO2,HCIO3,HCIO4

A: To solve this problem we have to know the oxidation state of Chlorine in each acid .

Q: Arrange these compounds in order of increasing Lattice energy (Using 1-4, write 1 underneath the…

A: The lattice energy is the energy needed for converting one mole of ionic solid into its gaseous…

Q: Will the potential energy increase or decrease when one mole of Ca2+ and two moles of I‒ ions come…

A: To determine whether the potential energy increase or decrease when one mole of Ca2+ and two moles…

Q: Assuming that the effect of bond energy is more important than the effect of electronegativity, the…

A: Bond energy of HI is 295 kj per mole while bond energy of HCl is 428 kj per mole . having less bond…

Q: 8. What does the ion phosphate contain? * O 1 phosphorus, 4 oxygen, to the third power negative

A: An ion is an atom or molecule that has lost or gained one or more valence electrons, giving a net…

Q: 2 This Lewis Structure is incorrect because [Ca]+ [:O:]- The metal should be negative and the…

A: The metal should have a +2 charge and the nonmetal should have a -2 charge  20Ca = 2,8,2  Ca++ =…

Q: In an ion-exchange process, which ion has a higher affinity for exchange: Potassium ions (K+) or…

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Q: In liquid ammonia, NaH and NH3 react to form sodamide (NaNH2). What happens when NaNH2 is placed in…

A: when NaH react with NH3 to give NaNH2 and Hydrogen gas NaH + NH3 → NaNH2 + H2(g)

Q: Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC=CH (g) +…

A: The bond energy is used to describes how much energy is needed to break or form a bond of a molecule…

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.