A desiccant is another name for a water molecule TRUE FALSE

Answers

Answer 1
Answer: Definitely, the answer is false. A desiccant is a substance used in order to absorb moisture in the surroundings. It is a hygroscopic material that removes humidity since humidity will aid in the degradation or destruction of materials which are sensitive to moisture.

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Chemical weathering occurs more rapidly in what kind of climates?

Answers

The water alone can perform chemical weathering with the aid of other chemicals which usually form acids that breaks the internal composition of the material. Hot & cold climates usually cause the flaking the outer layers of a rock (thermal expansion) but it belongs to physical weathering.
However, Physical and chemical weathering work together to disintegrate the rock more easier.
I can't specify a climate well because chemical weathering doesn't involve climate too much.


Plz help based on graph 1. what is happening to the population of the mice between days 0 and 7? suggest some possible reasons why this trend is occurring? 2. what is the approximate carrying capacity of this mouse population from observing the graph? how do you know this ? 3. the farmer who owns the barn has been given two barn cats how will this affect the size of the mouse population explain your answer 4. What are some other factors that will change the size of the mouse population in the future?

Answers

1.  The population of the mice seemed to grow until day 7.  This likely occurred do to the fact that the mice kept reproducing and they had enough resources to sustain the population growth.
2.  the carrying capacity is around 24 since that is when they reach population equilibrium.
3.  This will lower the mice population since it will introduce a predator that will lower the carrying capacity.
4.  The mice population can change in the future if more predators are introduced, if predators die out/go away, if an invasive species is introduced that competes with the mice for resources, if the climate changes, and if the amount of resources available to the mice increases or decreases.
I hope this helps. let me know in the comments if anything was unclear.

The reaction converting glycerol to glycerol-3-phosphate can be represented as: glycerol + hpo42− ⟶ glycerol-3-phosphate + h2o. the gibbs energy for this reaction is δg∘ = 9.2 kj/mol. will this reaction be spontaneous if coupled with the hydrolysis of atp?

Answers

Answer:

Yes, this reaction will be spontaneous.

Explanation:

A reaction is spontaneous if ΔG < 0.

The coupling of glycerol to glycerol-3-phospate with ATP gives:

glycerol + HPO₄²⁻ ⟶ glycerol-3-phosphate + H₂O ΔG = +9,2 kJ/mol

ATP + H₂O ⟶ ADP + HPO₄²⁻ ΔG = -30,5 kJ/mol

glycerol + ATP ⟶ ADP + glycerol-3-phosphate

ΔG = +9,2 kJ/mol - 30,5 kJ/mol = -21,3 kJ/mol

As ΔG<0, this reaction will be spontaneous

I hope it helps!

Answer;

Yes; this reaction be spontaneous if coupled with the hydrolysis of ATP.

Explanation;

The reaction converting glycerol to glycerol-3-phosphate (energetically unfavorable) can be coupled with the conversion of ATP to ADP (energetically favorable):

Glycerol + HPO42 ⟶glycerol-3-phosphate+H2O

ATP + H2O⟶ ADP + HPO42− + H+

State the number of solutions for Matrix B. a. No Solution b. One Solution c. Infinitely Many Solutions

Answers

Answer:

C. Infinitely Many Solutions

Explanation:

No solution case : This is the case when all given variables are not equal to any constant, for example: there is one row of zeros in matrix e.g 0=3. matrix B don't have any zero row. So, Not True.

One Solution case: This is the case when all variables are independent variables like if they are equal to some constant. e.g x=1,y=2,z=4 , Matrix B have more than one variable in first row due to which it made equation look like x+y=-5. so matrix B can't have only one solution. So, Not True.

Infinitely Many Solutions case: when there is one or more variables which is not equal to any constant and acting as linearly dependent variable, then that matrix have infinite solutions. Matrix B have that variable which is linearly dependent as show in the attachment solution. So, True.  

The shortest wavelengths occur in the:red end of the spectrum
blue end of the spectrum
middle of the spectrum

The light-gathering capacity of a telescope is dependent upon the:
magnification
focal length
size of human iris
area of aperture

Answers

Answer:

1) blue end of the spectrum

2) area of aperture

Explanation:

1) The electromagnetic spectrum encompases a wide range of frequency (ν) and wavelength (λ) that includes gamma rays, x-rays, ultra violet(UV), visible, infra red (IR), microwaves and radiowaves. The wavelength increases from gamma rays to radio waves.

The wavelength perceivable by human eyes lies in the UV-visible region which extends from 380 nm in the blue to 740 nm in the red.The shortest wavelengths occur in the blue end of the spectrum which also have the highest energy. In contrast, longer wavelengths occur on the red which have lower energy.

2) The light gathering capacity of a telescope is dependent upon its area of aperture. Larger the area, greater is the light gathering power which implies that the telescope has the capability of detecting weak or faint objects.

The area of the aperture is essentially the area of the objective of the telescopic lens which is given as:

area = (\pi*D^(2)  )/(4)

where D = diameter of the lens

1) blue end of the spectrum

2) area of aperture

Explain the difference between an endpoint and equivalence point in a titration

Answers

To know the end point we use phenolphthalein as indicator. Therefore, endpoint is point in which indicator change the color, and equivalence point is point in which there is equal amount of two chemicals.

What is titration?

Titration is a technique by which we know the concentration of unknown solution using titration of this solution with solution whose concentration is known. To know the end point we use phenolphthalein as indicator. End point is a point where completion of reaction happen.

Endpoint is point in which indicator change the color, and equivalence point is point in which there is equal amount of two chemicals. Endpoint is after Equivalence point.

Therefore, endpoint is point in which indicator change the color, and equivalence point is point in which there is equal amount of two chemicals.

To know more about titration, here:

brainly.com/question/13307013

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Answer:

Endpoint is point in which indicator change the color, and equivalence point is point in which there is equal amount of two chemicals. Endpoint is after Equivalence point.

Explanation: