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3 years ago

Why doesn’t any one type of living thing take over the world? Why?

2 answers:

6 0

I’m gonna give it a try, but maybe because...
Any living thing have a food chain or depend on some other living things to provide things they need to survive. Let’s say a mushroom for example. Although they’re the producer(I believe) they still depend on dead organism for nutrients.

Gelneren [198K]3 years ago

5 0

Ummmmmmm we dont know

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7) Calculate ∆G^0' for the following reaction: glucose + 6O2 → 6 CO2 + 6 H2O. Is this reaction exergonic or endergonic?

san4es73 [151]

The reaction is endergonic.

<h2>Procedure - Determination of the Gibbs reaction type</h2>

<h3>Thermochemical model</h3>

First, we need to determine the Gibbs free energy function ( $\Delta G_{o}$ ), in kilojoules, of the entire reaction by this formula:

$\Delta G_{o} = \Sigma\limits_{j=1}^{m} n_{j}\cdot g_{o, j} - \Sigma\limits_{i=1}^{p}n_{i}\cdot g_{o,i}$ (1)

Where:

$n_{i}$ - Number of kilomoles of the i-th reactive, in kilomoles.
$n_{j}$ - Number of kilomoles of the j-th product, in kilomoles.
$g_{o,i}$ - Specific Gibbs free energy function of the i-th reactive, in kilojoules per kilomole.
$g_{o,j}$ - Specific Gibbs free energy function of the j-th reactive, in kilojoules per kilomole.

<h3>Data from thermochemical tables</h3>

From thermochemical tables we have the following information:

Reactives

$g_{glu} = -2871596\,\frac{kJ}{kmol}$ , $g_{O_{2}} = 0\,\frac{kJ}{kmol}$

$n_{glu} = 1\,kmol$ , $n_{O_{2}} = 6\,kmol$

Products

$g_{CO_{2}} = -137150\,\frac{kJ}{kmol}$ , $g_{H_{2}O} = -237180\,\frac{kJ}{kmol}$

$n_{CO_{2}} = 6\,kmol$ , $n_{H_{2}O} = 6\,kmol$

<h3>Determination of the Gibbs free energy function</h3>

Now we proceed to determine the Gibbs free energy function and later determine the nature of the <em>thermochemical</em> reaction:

$\Delta G_{o} = (6\,kmol)\cdot \left(-137150\,\frac{kJ}{kmol} \right) + (6\,kmol)\cdot \left(-237180\,\frac{kJ}{kmol} \right)-(1\,kmol)\cdot \left(-2871596\,\frac{kJ}{kmol} \right) - (6\,kmol)\cdot \left(0\,\frac{kJ}{kmol} \right)$

$\Delta G_{o} = 625616\,kJ$

The Gibbs free energy function of the <em>entire</em> reaction is 625616 kilojoules.

<h3>Analysis of the result</h3>

The Gibbs free energy function has a <em>positive</em> sign, which means that this reaction is endergonic.

To learn more on Gibbs free energy, we kindly invite to check this verified question: brainly.com/question/9552459

6 0

2 years ago

Microorganisms also exist in the fossil record, but they’re rarer than other types of fossils. The most common fossils form from

melamori03 [73]

The reason why I think these fossils are more common fossils than those of soft tissues or microorganisms one reason is that soft tissues decompose better than bone which gives more time for them to be buried.

8 0

2 years ago

The value of Sarah car in 2004 was 17,500

astraxan [27]

What is the question it does not make sense I will answer in comments if u explain

6 0

3 years ago

suppose that an earthquake occurs, and the epicenter is 80km from a recording station with a seismograph

ser-zykov [4K]

You need to have the velocities of the P and S wave in order to solve the first problem. Those velocities depend on the rock through which they travel.

4 0

3 years ago

Explain any five ways, how microganism play an important role in the field of medicine?

Olegator [25]

Answer:

Microbes are also used in pharmaceutical industries for synthesis of chemical drugs, chemical compounds and other compounds. It also leads to discovery of cell mechanisms allows pharmacists to discover antimicrobial drugs that would prevent an escalating number of communicable diseases.

7 0

2 years ago

Read 2 more answers