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Alexxx [7]
4 years ago
13

Which of the following functions occurs in the part of the digestive system indicated by the arrow?Secretion of buffers and dige

stive enzymesAcid breakdown of swallowed foodsSecretion of bile and buffersAbsorption of water and ions
Chemistry
1 answer:
Natalija [7]4 years ago
3 0
I would most likely go with the second one
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At constant temperature, 534 mL of a gas at 894 torr is compressed to 167 mL What is the new pressure in atmospheres?
AURORKA [14]

Answer:

3.762 atm.

Explanation:

  • We can use the general law of ideal gas: PV = nRT.

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R  is the general gas constant,

T is the temperature of the gas in K.

  • If n and T are constant, and have different values of P and V:

<em>(P₁V₁) = (P₂V₂)</em>

<em></em>

  • Knowing that:

P₁ = 894.0 torr, V₁ = 534.0 mL,

P₂ = ??? torr, V₂ = 167.0 mL.

  • Applying in the above equation

(P₁V₁) = (P₂V₂)

<em>∴ P₂ = (P₁V₁)/V₂</em> = (894.0 torr)(534.0 mL)/(167.0 mL) = <em>2859 torr.</em>

  • To convert from torr to atm:

1.0 atm = 760.0 torr.

<em>∴ P₂ </em>= (2859 torr)(1.0 atm/760 torr) = <em>3.762 atm.</em>

8 0
4 years ago
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Paraphrase this quote, “Sometimes you have to go up really high to understand how small you really are.”
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Answer:

Sometimes you just have to get yourself hard to understand what you are really going through and how much you have done and how hard you are.

Explanation:

Tbh not all quotes are easy to express but this one sounds really interesting.

But in my opinion this is the best I could describe

Hope you agree. Let me know :)

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1. The effect of a catalyst on a chemical reaction is to
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the catalyst is for activation energy

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A reaction that occurs in which water is removed from the reactant is best described as what reaction
Anvisha [2.4K]

Answer:

A condensation reaction

Explanation:

it is also called a dehydration reaction

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