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bulgar [2K]
3 years ago
9

Which flow chart is accurate?

Chemistry
1 answer:
djverab [1.8K]3 years ago
7 0

Answer:

<em>The correct option is A) DNA → RNA → protein</em>

Explanation:

Central Dogma can be described as the process under which the processes of transcription and translation are focused. It is the process by which particular parts of DNA or particular genes make up the specified proteins which are required.

The conversion of DNA into RNA is known as transcription. This process occurs in the nucleus. The conversion of mRNA into proteins is termed as translation. This process occurs in the ribosomes of the cytoplasm.

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2 Al(s) + Fe2O3(aq) - AlO3(aq) + 2 Fe(s)
just olya [345]

Answer:

78.8%

Explanation:

The equation of the reaction is;

2 Al(s) + Fe2O3(aq) ------> Al2O3(aq) + 2Fe(s)

Number of moles in 20g of Al= 20g/27 g/mol = 0.74 moles

From the reaction equation;

2 moles of Al yields 2 moles of Fe

0.74 moles of Al yields 0.74 moles of Fe

Hence;

Mass of Fe produced = 0.74 moles of Fe * 56 g/mol

Mass of Fe produced = 41.44 g of Fe (This is the theoretical yield of Fe)

percent yield = actual yield/ theoretical yield  * 100

actual yield = 32.67 grams of iron

percent yield = 32.67 g/41.44 g * 100

percent yield = 78.8%

3 0
3 years ago
Direction: Choose the letter of the BEST answer.
Veronika [31]
1. B
2. B
3. A
4. D
5. A
6. A
3 0
3 years ago
Un convertidor catalítico acelera la reacción del monóxido de carbono con oxígeno para producir dióxido de carbono. ¿De qué mane
vaieri [72.5K]

Answer:

a. Disminuye.

b. Disminuye.

Explanation:

¡Hola!

En este caso, considerando que tenemos una reacción en la cual se podría asumir que tanto la concentración de monóxido de carbono y la de oxígeno contribuye a la velocidad de reacción, de acuerdo a la siguiente cinética elemental:

r=k[CO]^2[O_2]

Al aplicar los siguientes cambios, resultaría:

a. En este caso, bien sabemos que la velocidad de reacción es aumentada al adicionar un catalizador ya que la constante de velocidad aumenta al disminuir la energía de activación; no obstante, al retirar el catalizador, la energía de activación aumentaría y por consiguiente la velocidad de reacción disminuiría.

b. En este caso, dado que la relación entre el oxígeno y la rapidez de reacción es directamente proporcional, es possible para nosotros determinar que al eliminar parte del oxígeno, la concentración disminuye y por ende la velocidad de reacción también.

¡Saludos!

5 0
3 years ago
A 250.0 mL sample of air at 100.0 K is warmed to 200.0 k at constant pressure .What is the volume of the air sample at the new t
hoa [83]

Answer:

500.0 mL

Explanation:

From <em>Charles’ Law</em>, we know that

\frac{V_{1} }{T_{1} }= \frac{V_{2} }{T_{2 }}

We can solve this equation to get

V_{2} = V_{1} \times \frac{ T_{2}}{ T_{1}}

V_{2} = \text{250.0 mL} \times \frac{\text{200.0 K}}{\text{100.0 K}} = \textbf{500.0 mL}

8 0
3 years ago
What is the density of a substance that has a mass of 20 g and a volume of<br> 10 mL?
Paha777 [63]

Answer:

That unknown substance is water

Explanation:

3 0
3 years ago
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