Describe the two processes of the carbon cycle

1 answer:

3 0

In the natural carbon cycle, there are two main processes which occur: photosynthesis and metabolism. During photosynthesis, plants use carbon dioxide and produce oxygen. During metabolism oxygen is used and carbon dioxide is a product.

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What is an ""acid""? What is a ""base""?

pantera1 [17]

Answer:

There are two definitions for acid and base in chemistry.

Explanation:

There are different definitions of Acid and Base:

The Arrhenius definition sais that acid is every substance that increases the concentration of protons in water. Thus, a base is a substance that increase the concentration of oxydriles in water.

On the other hand, the Bronsted definition sais that an acid is a substance with the ability to give protons and a base is a substance with the ability to accept protons.

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3 years ago

What are some chemical properties of arsenic?

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Chemical properties of arsenic - Health effects of arsenic - Environmental effects of arsenic

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How much energy, in J and kJ, is required to raise the temperature of 123.4g of aluminum metal from 3.0 to 31.6

Afina-wow [57]

Answer:

the answer should be in that

Explanation:

Download pdf

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4 years ago

Calculate the amount of heat energy required to heat up 21.5 grams of ice from -15 °C to 10°C.

Anuta_ua [19.1K]

Answer:

8.74kj

Explanation:

There are three steps

Warming up the ice to its melitng point. THe nergy required to melt it completely. The energy requiered to warm up the water to a certain temp.

It can be seen by the three equations written

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Match the following phases of stellar evolution to its characteristic.

Artist 52 [7]

Answer:

im the only answer your gonna get

Explanation:

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