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3 years ago

how would the woodpecker population in a forest area most likely be affected if a housing devolpment is built in that area

Chemistry

2 answers:

alexira [117]3 years ago

5 0

The entire woodpecker population would be DESTROYED

strojnjashka [21]3 years ago

3 0

It's because there would be no trees for the woodpeckers to peck on, all the houses would cause them to cut down the trees.

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Select the true statement:

Vsevolod [243]

Answer:

Bonds are broken and new bonds are formed during chemical reactions only.

Explanation:

A physical change in a substance doesn't change what the substance is.

In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.

Physical changes can be reversed, chemical changes cannot be reversed with the substance changed back without extraordinary means, if at all. For example, a cup of water can be frozen when cooled and then can be returned to a liquid form when heated.

So, the right choice is:

Bonds are broken and new bonds are formed during chemical reactions only.

8 0

3 years ago

express in word equation and chemical equation of the chemical reaction when potassium chlorate is heated.

IgorLugansk [536]

Answer:

Word equation: Potassium chlorate → Potassium chloride + Oxygen

Chemical equation: KClO₃ → KCl + O₂

Explanation:

This is decomposition reaction so there will only be one reactant, which is potassium chlorate.

The chemical equation will be:

KClO₃ → KCl + O₂

The balanced equation would be:

2KClO₃ → 2KCl + 3O₂

The word equation will be:

Potassium chlorate → Potassium chloride + Oxygen

8 0

2 years ago

Octanol is slightly soluble in water, and water is very soluble in octanol. why is it important to presaturate octanol with wate

notsponge [240]

N-Octanol and water are chosen because the connection between a substance's hydrophilicity and lipophilicity is measured by $K_{OW}$ (n-Octanol/Water partition coefficient). When a chemical is more dissolves in fat-like solvents like n-octanol, the value is more significant than one, when it's more dissolved in water, the value is lower.

What is the partition coefficient?

The partition coefficient for the two-phase network comprising n-octanol and water is known as the $K_{OW}$ value. N-Octanol-Water Partition Ratio is another name for it.

The connection between a substance's hydrophilicity (its ability to dissolve in water) and lipophilicity (its ability to dissolve in fat) is measured by $K_{OW}$ . The value is bigger if a drug is more accessible in fat-like liquids like n-octanol and less if a compound seems more water-soluble.

Owing to linkage or fragmentation, substances that are involved in the octanol-water combination as multiple synthetic entities are each given a unique $K_{OW}$ ratio.

So, N-Octanol is chosen because it has a carbon/oxygen ratio that is comparable to that of lipids and because it shows both hydrophobic and hydrophilic properties. N-octanol, therefore, resembles the makeup and characteristics of cells and other living things.

Learn more about octanol here:

brainly.com/question/7768749

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8 0

1 year ago

Rutherford proposed that atoms have positive nuclei. Which statement correctly describes the nucleus of an atom?

kondor19780726 [428]

I think that The answer is B

7 0

3 years ago

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A car with a mass of 1360 kg accelerate from 120 m/s 2 to 520 m / s in 8 seconds.what is the acceletation of the car