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a_sh-v [17]
2 years ago
9

A decrease in entropy is associated with which type of reaction? hydrolysis dehydration catabolic depolymerization

Chemistry
1 answer:
ehidna [41]2 years ago
5 0

Answer:

dehydration

Explanation:

Anabolic reactions in cells frequently employ dehydration synthesis as a. mechanism for building complex macromolecules.

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6 0
2 years ago
If sodium (Na) bonds with chlorine (Cl), which statement is true?
Ray Of Light [21]

Answer:

First option is the correct answer

Explanation:

An electron is transferred from sodium to chlorine and an ionic bond is formed.

7 0
3 years ago
Read 2 more answers
Sand dunes are created when the wind carrying the sand runs into an obstacle A. True B. False
Troyanec [42]

A. True

They are formed behind an obstacle when the wind blows the sand up to it.

3 0
3 years ago
Consider the reaction 3Fe2O3(s) + H2(g)2Fe3O4(s) + H2O(g) Using standard thermodynamic data at 298K, calculate the entropy chang
balandron [24]

Answer:

the entropy change for the surroundings when 1.68 moles of Fe2O3(s) react at standard conditions = 49.73 J/K.

Explanation:

3Fe2O3(s) + H2(g)-----------2Fe3O4(s) + H2O(g)

∆S°rxn = n x sum of ∆S° products - n x sum of ∆S° reactants

∆S°rxn = [2x∆S°Fe3O4(s) + ∆S°H2O(g)] - [3x∆S°Fe2O3(s) + ∆S°H2(g)]

∆S°rxn = [(2x146.44)+(188.72)] - [(3x87.40)+(130.59)] J/K

∆S°rxn = (481.6 - 392.79) J/K =88.81J/K.

For 3 moles of Fe2O3 react, ∆S° =88.81 J/K,

then for 1.68 moles Fe2O3 react, ∆S° = (1.68 mol x 88.81 J/K)/(3 mol) = 49.73 J/K the entropy change for the surroundings when 1.68 moles of Fe2O3(s) react at standard conditions.

5 0
3 years ago
I Need help ASAP!!!
AlexFokin [52]

Answer:

B. Temperature

Explanation:

A thermometer is a device used to measure temperature. Temperature is the average kinetic energy of a material's molecules or its average thermal energy. Heat is transferred to the thermometer, causing changes in its physical properties.

4 0
3 years ago
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