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3 years ago

Seleccion Multiples- Utilizando la siguiente clave, Identifica cada tipo de reacción química, escogiendo

Chemistry

1 answer:

Lunna [17]3 years ago

6 0

Answer:

i dont speak your language im so sorry

Explanation:

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If you have a yellow light bulb and a blue one, which emits light of higher frequency?

marishachu [46]

Think roygbiv

red has low intensity and violet has the highest. so blue has the higher intensity which is answer B

and frequency is directly related to intensity. the wavelength of blue is smaller than yellow which means he frequency is higher.

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3 years ago

An embankment is best defined as __________. A. the process of cutting down all of the trees and plant life in an area, with no

jek_recluse [69]

Answer:

C. A stretch of raised land, often built to help control flooding and the flow of a river.

Explanation:

Embankments are made typically of construction adjacent to the river from spoil excavated from its bank.

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3 years ago

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What was the result of the atomic theory?

Cerrena [4.2K]

Answer:

The result of the atomic theory was atomic theory proposed that all matter was composed of atoms, also postulated that chemical reactions resulted in the rearrangement of the reacting atoms.

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3 years ago

What are the reference points in thermometer with Celsius scale?

kupik [55]

The most likely answer is the boiling point and freezing point of water. The Celsius scale starts at the freezing point of water (0°C) and than scaled so that 100°C fell on the boiling point of water.

I hope this helps. Let me know if anything is unclear.

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3 years ago

A critical reaction in the production of energy in biological systems is the hydrolysis of adenosine triphosphate (ATP) to adeno

Archy [21]

Answer:

ΔG° of reaction = -47.3 x $10^{3}$ J/mol

Explanation:

As we can see, we have been a particular reaction and Energy values as well.

ΔG° of reaction = -30.5 kJ/mol

Temperature = 37°C.

And we have to calculat the ΔG° of reaction in the biological cell which contains ATP, ADP and HPO4-2:

The first step is to calculate the equilibrium constant for the reaction:

Equilibrium Constant K = $\frac{[HPO4-2] x [ADP]}{ATP}$

And we have values given for these quantities in the biological cell:

[HP04-2] = 2.1 x $10^{-3}$ M

[ATP] = 1.2 x $10^{-2}$ M

[ADP] = 8.4 x $10^{-3}$ M

Let's plug in these values in the above equation for equilibrium constant:

K = $\frac{[2.1x10^{-3}] x [8.4x10^{-3}] }{[1.2 x 10^{-2}] }$

K = 1.47 x $10^{-3}$ M

Now, we have to calculate the ΔG° of reaction for the biological cell:

But first we have to convert the temperature in Kelvin scale.

Temp = 37°C

Temp = 37 + 273

Temp = 310 K

ΔG° of reaction = (-30.5 $10^{3}$ ) + (8.314)x (310K)xln(0.00147)

Where 8.314 = value of Gas Constant

ΔG° of reaction = (-30.5 x $10^{3}$ ) + (-16810.68)

ΔG° of reaction = -47.3 x $10^{3}$ J/mol

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3 years ago