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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