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3 years ago

Give an example of how each compound is used or found in nature. Be sure to use complete sentences.

1 answer:

8 0

Water is found in lakes and rivers. Its purpose in nature is to hydrate animals

Hydrogen gas is not abundant in nature, but hydrogen is abundant in water. Hydrogen (bonds) help ice float. Otherwise, freezing lakes would kill animals (it actually doesn't since the ice creates a "coat" above the water").

Ammonia is nitrogen-rich molecules that plant uses to get their nitrogen. It comes from the part of the nitrogen cycle where dead plants and animals are decayed.

Carbon dioxide is what we exhale. Plants "inhale" carbon dioxide and use that for photosynthesis.

Hydrogen sulfide is emitted by volcanoes and by anaerobic (oxygen-less) decay from bacteria.

Have an awesome day! I hope this helps.

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Suggest two observations that would be made when rubidium is added to cold water.

tino4ka555 [31]

Answer:

1. Rubidium metal reacts very rapidly with water to form a colorless basic solution of rubidium hydroxide (RbOH) and hydrogen gas (H2).

2. Rubidium sinks because it is less dense than water. It reacts violently and immediately, with everything leaving the container. Rubidium hydroxide solution and hydrogen are formed.

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2 years ago

Which term indicates how strongly an atom attracts the electrons in a chemical bond

Dmitrij [34]

Electronegativity is your answer.

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3 years ago

This family (ethane, propane, butane, etc) of materials is likely to have what set of properties?

Ilya [14]

This family (ethane, propane, butane, etc) of materials is likely to have following set of properties.

The alkanes are non- polar solvents.
The alkanes are immiscible in water but freely miscible in other non-polar solvent .
The alkanes are consisting of weak dipole dipole bonds can not breaks the strong hydrogen bond.
The alkanes having only carbon (C) and hydrogen (H) atom which is bonded by a single bonds only.
The alkanes posses weak force of attraction that is weak van der waals force of attraction.

The ethane, propane, butane, belong to alkanes family.The alkanes are also considers as saturated hudrocarbons. Ethane is found in gaseous stae Ethane is the second alkane followed by propane followed by butane.

learn about butane

brainly.com/question/14818671

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7 0

2 years ago

A sample of flammable liquid is placed into an enclosed cylinder which is then fitted with a movable piston. Initially the cylin

polet [3.4K]

Answer:

12.09 L

Explanation:

Step 1: Convert 826.1 mmHg to atm

We will use the conversion factor 760 mmHg = 1 atm.

826.1 mmHg × 1 atm/760 mmHg = 1.087 atm

Step 2: Convert 427.8 J to L.atm

We will use the conversion factor 101.3 J = 1 L.atm.

427.8 J × 1 L.atm/101.3 J = 4.223 L.atm

Step 3: Calculate the change in the volume

Assuming the work done (w) is 4.223 L.atm against a pressure (P) of 1.087 atm, the change in the volume is:

w = P × ΔV

ΔV = w/P

ΔV = 4.223 L.atm/1.087 atm = 3.885 L

Step 4: Calculate the final volume

V₂ = V₁ + ΔV

V₂ = 8.20 L + 3.885 L = 12.09 L

5 0

2 years ago

"in which direction does this reaction tend to proceed under standard conditions?"

Black_prince [1.1K]

Answer : Right

Explanation : The direction of reaction tends to proceed on right side under standard conditions; If the change in standard free energy ΔG for a particular reaction is negative. Also if the elements in their most stable forms as they exist under standard conditions. Then ΔG determines the direction and extent of chemical change. But under standard conditions the direction of the reaction will be to right.

6 0

3 years ago

Read 2 more answers