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1 year ago

A critical review of analytical methods in pretreatment of lignocelluloses: Composition, imaging, and crystallin

1 answer:

4 0

A critical review of analytical methods in pretreatment of lignocelluloses: Composition, imaging, and crystallinity.

<h3>What is the abstract?</h3>

Lignocelluloses are being studied extensively as renewable substrates for the production of biofuels such as ethanol, methane, hydrogen, and butanol, as well as chemicals such as citric acid, lactic acid, and xanthan gum. However, because lignocelluloses have a recalcitrance structure that makes them resistant to microbial and enzymatic attacks, several physical, thermal, chemical, and biological pretreatment methods have been devised to open up their structure. These pretreatments' efficacy was investigated utilising a number of analytical approaches that addressed their image, composition, crystallinity, degree of polymerization, enzyme adsorption/desorption, and accessibility.

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Consider 10.0 g of helium gas (He) in a rigid steel container. If you add 10.0 g of neon gas (Ne) to this container, which of th

Norma-Jean [14]

Answer: (e) The pressure in the container increases but does not double.

Explanation:

To solve this, we need to first remember our gas law, Boyle's law states that the pressure and volume of a gas have an inverse relationship. That is, If volume increases, then pressure decreases and vice versa, when temperature is held constant. Therefore, increasing the volume in this case does not double the pressure owning to out gas law, but an increase in pressure would be noticed if temperature is constant

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3 years ago

A student is shown a simple model of particles that make up a liquid,as shown.

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Answer:
Option-D : <span>Decrease the velocities of the particles, and decrease the space between the particles.

Explanation:
The solid state of matter is composed of particles closely packed with a minimum space between them. This closed packing of particles occur due to strong interatomic or intermolecular interactions between particles. Therefore, solids particles have zero translational and rotational motions and only show vibrational motions. So, decrease in velocity and decrease in space between particles is the right answer for making solids.</span>

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3 years ago

Help name this, it’s chemistry

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Answer:

I believe it's

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2 years ago

What are some sources of non-point source water pollution?

kirza4 [7]

Answer:

Explanation:

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3 years ago

Read 2 more answers

`Let's just consider the concept of stoichiometry without any confusing chemicals. Here is a generic equation: 2A + 6B ? 3C. If

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Answer:

Option D. 5.5

Explanation:

The equation is this:

2A + 6B ⇒ 3C

With the amounts that we were given, let's determine which is the <em>limting reactant</em>

2 A reacts with 6 B

4 A will react with ( 4 .6)/2 = 12B

I have 11 B, so the limiting is B

6 B react with 2 A

11 B will react with (11 .2 )/6 =3.66 A

I have 4 A, so A is the excess.

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3 years ago