What is the main pigement for photosyenthesis inchloroplasts

Answers

Answer 1
Answer: I assume the answer is chlorophyll (a or b) but could also be carotenoids.
Answer 2
Answer:

Answer:

the main pigment is chlorophyll.

Explanation:

It is green


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Ammonia is an important ingredient in many fertilizers. The main process by which ammonia is made is the Haber process. In this process, nitrogen gas and hydrogen gas are reacted to form ammonia at high temperatures. Which of the following most likely explains why this reaction is carried out at high temperature?Ammonia is unstable at room temperature.
High temperatures increase the activation energy of the reaction.
High temperatures make the gas molecules move more quickly.
The reaction becomes exothermic at high temperatures.

Answers

The best answer is "High temperatures increase the activation energy of the reaction."

The Haber process is an exothermic reaction at room temperature. This means that the reaction actually favors the reverse reaction, especially when the temperature is increased. So why increase the reaction temperature?

The reason for this is that nitrogen is a very stable element. Therefore, more energy is needed to overcome the slow rate of reaction. So the reaction temperature must be low enough to favor a forward reaction, but high enough to speed up the reaction.

this is wrong do not put this if your with FLVS

the correct answer is C i got 100% on it

Describe the evidence of changes in organisms in the Cambrian Era that are reflected in the fossil record.​

Answers

Answer:

Morphology and phylogenetics revealed by fossils. Perhaps the strongest evidence to support the Cambrian evolutionary explosion of animal forms is the first clear appearance, in the Early Cambrian, of skeletal fossils representing members of many marine bilaterian animal phyla

Explanation:

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Final answer:

The Cambrian era saw significant changes in organisms reflected in the fossil record, including the emergence of complex multicellular life forms and the diversification of species. Fossils such as trilobites and brachiopods provide evidence of this biodiversity and adaptive radiation.

Explanation:

The Cambrian era is known for the rapid diversification of life forms, marked by the appearance of complex multicellular organisms. The fossil record from this era provides evidence of key evolutionary developments such as the emergence of hard-shelled animals, intricate body plans, and the colonization of different ecological niches. For example, the presence of trilobites, brachiopods, and archaeocyathids in the fossil record reflects the incredible biodiversity and adaptive radiation that occurred during the Cambrian.

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Why is ice cream a mixture

Answers


Ice is a mixture and it can be a compound at the same time. A mixture is when you have to substance's put together fro example you can mix salt and sugar together. But a compound is when two different elements or molecules are combined. Ice cream is a mixture or cream and sugar mainly.
ice cream are a mixture because they are a mix of two different things like milk, salt and other ingrediants used to make ice cream.

How many grams of sodium sulfide can be produced when 45.3 g Na react with 105 g S? Unbalanced equation: Na + S → Na2S

Show, or explain, all of your work along with the final answer.

Answers

The chemical reaction would be as follows:

2Na + S → Na2S

We are given the amount of the reactants to be used in the reaction. We use these to calculate the amount of product. We do as follows:

45.3 g Na ( 1 mol / 22.99 g ) = 1.97 mol Na
105 g S ( 1 mol / 32.06 g ) = 3.28 mol S

The limiting reactant would be Na. We calculate as follows:

1.97 mol Na ( 1 mol Na2S / 2 mol Na ) (78.04 g / mol ) = 76.87 g Na2S produced

Compounds that are formed when two or more atoms combine to form molecules are called?

Answers

When two or more atoms of the same elements combine to form molecules of a compound, the compound formed is said to be molecular.

Two atoms of an element can become chemicallybonded to form a molecular compound.

For example, two atoms of oxygen combine, the result would be a molecule of oxygen. Two atoms of chlorine combining will result in a molecule of chlorine.

When the combination is that of atoms of different elements, what will result is an ordinary compound.

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Compounds that are formed when two or more atoms combine to form molecules are called Molecular Compounds.

What is a glass rod used for in chemistry and biology laboratory?

Answers

The glass rod is a piece of laboratory equipment and it is used for the mixing of   chemicals and other liquids.

Final answer:

A glass rod is used in chemistry and biology laboratories for transferring liquids, stirring solutions, and manipulating microscopic organisms.

Explanation:

A glass rod is commonly used in chemistry and biology laboratories for various purposes. In chemistry, it can be used to transfer small amounts of liquids from one container to another without contamination. It is also used for stirring solutions and facilitating chemical reactions. In biology, a glass rod can be used for extracting small samples or manipulating microscopic organisms in a controlled manner.

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