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3 years ago

1. What are 4 physical properties of oxygen? 2. What are 4 chemical properties of oxygen?

Chemistry

1 answer:

Karo-lina-s [1.5K]3 years ago

4 0

Answer:

physical properties:

It is a colorless, odorless and tasteless gas.

It readily dissolves in cold water.

It is highly reactive and form oxides with almost all elements except noble gases.

Liquid oxygen is strongly paramagnetic.

Chemical properties:

Oxygen is a highly reactive nonmetallic element; it is a strong oxidizing agent with high electronegativity and forms O 2 at Standard Temperature and Pressure (STP).

and i dont have any more for chemical, doggo sorry. :(

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Darwin called this idea of certain traits being selected in order for an organism to reproduce sexual selection. In crickets and

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Th correct answer is option C. Calling can be hazardous because it also attracts parasites and predators.

The mating call is used by the males to attract females for sexual reproduction. By using vocal sounds males are not only making themselves attractive to females, they are also making themselves vulnerable to predators.

Thus the mating call can have a disastrous effect on the survival of the species.

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3 years ago

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how does a jellyfish reproduce?explain the process and use the words polyp and medusa. hint my there are two stages of reproduct

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3 years ago

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In Part B the given conditions were 1.00 mol of argon in a 0.500-L container at 18.0°C. You identified that the ideal pressure (

Natasha2012 [34]

Answer:

4,38%

small molecular volumes

Decrease

Explanation:

The percent difference between the ideal and real gas is:

(47,8atm - 45,7 atm) / 47,8 atm × 100 = 4,39% ≈ 4,38%

This difference is considered significant, and is best explained because argon atoms have relatively small molecular volumes. That produce an increasing in intermolecular forces deviating the system of ideal gas behavior.

Therefore, an increasing in volume will produce an ideal gas behavior. Thus:

If the volume of the container were increased to 2.00 L, you would expect the percent difference between the ideal and real gas to decrease

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4 years ago

What is the difference between Renewable Energy and Non renewable Energy? Which one is better for the environment and why? Also

goblinko [34]

Answer:

The difference between them is that renewable energy is something that can be used practically and not run out. Non-renewable energy has a limited supply.

Explanation:

Renewable energy is better for the environment as it is not something that takes millions of years to form, as some non-renewable energy sources are.

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2 years ago

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The strength of a covalent bond depends upon the size of the atoms and the bond order. In general short bonds are strong bonds.1

Oksana_A [137]

Answer:

Bond energy of (A) C≡C > (B) C=C

and, (C) C=N > (D) C-N

Explanation:

Bond energy refers to the amount of energy required to break a bond or the energy released when a bond is formed. Bond energy of a covalent bond suggests the bond strength of the chemical bond and depends on the bond length and bond order of the chemical bond.

The bond energy of a chemical bond increases with the bond order and decreases with the bond length. As, length of a bond decreases with increase in the bond order.

First pair: (A) C≡C (B) C=C

The bond order of C≡C - 3, the bond order of C=C - 2

Since the bond order: C≡C > C=C

Bond length: C≡C < C=C

Therefore, bond energy of (A) C≡C > (B) C=C

Second pair: (C) C=N (D) C-N

The bond order of C=N - 2, the bond order of C-N - 1

Since the bond order: C=N > C-N

Bond length: C=N < C-N

Therefore, bond energy of (C) C=N > (D) C-N

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4 years ago