) The energy of the reactants is shown on the following energy diagram. On the right side of the energy diagram, draw a horizont
al line segment to indicate the energy of the products. Draw a vertical double-headed arrow ( ↕ ) on the graph that corresponds to the value of ΔH for the reaction.
1 answer:
Answer:
Check Explanation
Explanation:
The question isn't complete, hence, I'll exhaustively draw the two energy diagram possible for the two types of reactions; exothermic and endothermic reaction.
The energy diagrams for both reaction types are presented in the attached image.
On the plot,
Hp represents the heat content/heat of formation/enthalpies of the products.
Hr represents the heat content/heat of formation/enthalpies of the reactants.
Ea = Activation energy for the respective reactions
ΔH = Heat of reaction, negative for the exothermic reaction and positive for the endothermic reaction.
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<u>Answer:</u> The amount of water that can be formed is 160 moles
<u>Explanation:</u>
We are given:
Moles of hydrogen gas = 170 moles
Moles of oxygen gas = 80 moles
The chemical equation for the reaction of hydrogen gas and oxygen gas follows:
By Stoichiometry of the reaction:
1 mole of oxygen gas reacts with 2 moles of hydrogen gas
So, 80 moles of oxygen gas will react with = of hydrogen gas
As, given amount of hydrogen gas is more than the required amount. So, it is considered as an excess reagent.
Thus, oxygen gas is considered as a limiting reagent because it limits the formation of product.
By Stoichiometry of the reaction:
1 mole of oxygen gas produces 2 moles of water
So, 80 moles of oxygen gas will produce = of water
Hence, the amount of water that can be formed is 160 moles
Answer:
The equations are
1)
2)
Explanation:
There are two ionization steps in the dissociation of hydroselenic acid.
In first dissociation the H₂Se loses one proton and forms hydrogen selenide ion as shown below:
The next step is again removal of a proton from the base formed above.