Answer:
First balance the equation
C2H6 + 7/2O2 2CO2 +3H2O
for one mole of C2H6 there are 7/2 mole of O2 required. so for4.50 moles you require 4.50 x 7/2 = 15.75 moles of O2.
Answer: Mass of diborane that would react with 7.5 mole of O2 is 70g
Explanation: The explanation is contained in the picture attached.
Answer:
ΔH of solution = ΔH₁ + ΔH₂ + ΔH₃
Explanation:
- Assume that the solution is formed via dissolving solute A in the molecules of Solvent B.
<em>The formation of the solution goes through 3 steps:</em>
1- The dissociation of the solute A particles, solute breaks apart the intermolecular forces holding the molecules together. It has ΔH₁ > 0 beause this is an endothermic process.
2- The dissociation of the solvent B particles, solute breaks apart the intermolecular forces holding the molecules together. It has ΔH₂ > 0 because this is an endothermic process.
3- The particles of the solvent and solute are holding together. It has ΔH₃ < 0 because this is an exothermic process.
- The enthalpy of the solution (ΔH of solution) will be equal to the sum of the enthalpy change of the three steps.
- ΔH of solution = ΔH₁ + ΔH₂ + ΔH₃.
Lewis structures are also known as Lewis dot diagrams or Lewis dot formulas. This <span>diagrams depict the </span>bonding<span> between </span>atoms<span> of a </span>molecule<span> and the </span>lone pairs<span> of </span>electrons<span> that may exist in the molecule. </span><span>A Lewis structure can be drawn for both </span>covalently <span>bonded molecule and </span><span>coordination compounds.
The l</span>ewis structure of the hypochlorite ion is attached below. From the lewis structure, it can be seen that, in hypochlorite ion Cl and O shares one pair of electrons. Hence, bond order of<span> hypochlorite ion is one. </span>