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Which of the following statement regarding energy flow are accurate? a. If the r

ID: 983281 • Letter: W

Question

Which of the following statement regarding energy flow are accurate?

a. If the reactants have higher internal energy than the products, E sys is positive and energy flows out the system into the surroundings.

b.If the reactants have lower internal energy than the products, E sys is positive and energy flows out the system into the surroundings.

c.If the reactants have higher internal energy than the products, E sys is negative and energy flows out the system into the surroundings.

d.If the reactants have lower internal energy than the products, E sys is negative and energy flows out the system into the surroundings.

Explanation / Answer

Which of the following statement regarding energy flow are accurate?

a. If the reactants have higher internal energy than the products, E sys is positive and energy flows out the system into the surroundings.

dE = Eproducts - Ereactants

Eprod < Ereact; then this is going to be NEGATIVE, meaning that the system loses energy, that is, it releases energy to the surroundings,

dE system = negative; this is then false

b.If the reactants have lower internal energy than the products, E sys is positive and energy flows out the system into the surroundings.

dE = Eproducts - Ereactants

Eprod < Ereact; then this is going to be NEGATIVE, meaning that the system loses energy, that is, it releases energy to the surroundings,

dE system = negative; this is then false

c.If the reactants have higher internal energy than the products, E sys is negative and energy flows out the system into the surroundings.

dE = Eproducts - Ereactants

Eprod < Ereact; then this is going to be NEGATIVE, meaning that the system loses energy, that is, it releases energy to the surroundings,

dE system = negative; this is then TRUE

d.If the reactants have lower internal energy than the products, E sys is negative and energy flows out the system into the surroundings

dE = Eproducts - Ereactants

Eprod < Ereact; then this is going to be NEGATIVE, meaning that the system loses energy, that is, it releases energy to the surroundings,

dE system = negative; this is then false

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