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Kobotan [32]
3 years ago
7

A student has a hamburger, french fries, and soda for lunch. These foods must be changed by the digestive system in order to be

used by the body. Which of the following describes the processes that occur during digestion as food enters the mouth and passes through the other organs of the digestive system?
Select one:

matter is only chemically changed during digestion

matter is both physically and chemically changed during digestion

matter is only physically changed during digestion

heat and thermal energy is created as a result of digestion
Chemistry
2 answers:
vlabodo [156]3 years ago
4 0

Answer:

the student will have high blood presure and diabetets

Explanation:

ziro4ka [17]3 years ago
3 0

Answer:

a is the right answer

Explanation:

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A sample containing 2.30 mol of Ne gas has an initial volume of 8.00 L. What is the final volume, in liters, when the following
marta [7]

Answer:

a. 4,00L

b. 16,00L

c. 12,31L

Explanation:

Avogadro's law says:

\frac{V_1}{n_1} =\frac{V_2}{n_2}

a. If initial conditions are 2,30mol and 8,00L and you lose one-half of atoms, that means you have 1,15mol:

\frac{8,00L}{2,30mol} =\frac{V_2}{1,15mol}

<em>V₂ = 4,00L</em>

b. If initial conditions are 2,30mol and 8,00L and you add 2,30mol, that means you have 4,60mol:

\frac{8,00L}{2,30mol} =\frac{V_2}{4,60mol}

<em>V₂ = 16,00L</em>

c. 25,0g of Ne are:

25,0g × (1mol / 20,1797g) = 1,24 moles of Ne. That means you have 2,30mol - 1,24mol = 3,54mol of Ne

\frac{8,00L}{2,30mol} =\frac{V_2}{3,54mol}

<em>V₂ = 12,31L</em>

I hope it helps!

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What is the standard value for T in the common form of the Nernst equation?
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