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Bingel [31]
3 years ago
5

Where and in what features is water found on Earth?

Chemistry
1 answer:
vlada-n [284]3 years ago
5 0

Answer:  On Earth, liquid water exists on the surface in the form of oceans, lakes and rivers. It also exists below ground as groundwater, in wells and aquifers. Water vapor is most visible as clouds and fog. The frozen part of Earth's hydrosphere is made of ice: glaciers, ice caps and icebergs.

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A cheetah is an organism that observes chase and catches its pery what kind of energy is that A mechanicle kenetic to chemical t
Temka [501]

Answer:

C mechanical potential to chemical to mechanical kinetic

Explanation:

When the cheetah observes it prey, it does not move at all and remains still in one place. This is potential energy.

To chase after its prey or to pounce on it, the cheetah would require energy. This is obtained by its body by performing certain chemical activities that generate energy that help it to move.

When the cheetah finally undergoes this, it has enough energy to finally come out of hiding and chase its prey. This is kinetic energy as while doing so, the cheetah is in motion.

Hope it helps.

4 0
3 years ago
The molecule carbon disulfide CS2 is nonpolar and has only london dispersion forces between the molecules.Carbon tetrachloride C
SSSSS [86.1K]

Answer:- Melting point of [tex[CCl_4[/tex] is higher than CS_2 where as the vapor pressure of CS_2[/tex[ is higher than [tex]CCl_4 .

Explanations:- Since both the molecules are non polar, the forces of attraction for carbon tetrachloride are comparatively stronger as it's a bigger molecule. We know that, stronger are the forces of attraction, higher is the melting point as more heat is required to break the bonds.

Stronger are the forces of attraction, lower is the vapor pressure as the molecules are more tightly bonded and less molecules goes to the gas phase.

So, melting point of carbon tetrachloride is higher but it's vapor pressure is lower as compared to carbon disulfide.

3 0
3 years ago
Read 2 more answers
Convert 132 cm to km
cestrela7 [59]

132 cm to 0.00132 km.

there you go, hope this helps!

5 0
3 years ago
Read 2 more answers
Which compound would produce an acidic aqueous solution? Which compound would produce an acidic aqueous solution? RbH C2H2 PH3 C
Anvisha [2.4K]

Answer:  Option (e) is the correct answer.

Explanation:

A compound that will dissociate in water or an aqueous solution to give hydrogen ions(H^{+}) is known as an acidic substance.

When RbH is dissolved in aqueous solution then it dissociates as follows.

RbH \rightarrow Rb^{+} + H^{-}.

C_{2}H_{2} is non-polar in nature. So, it will not dissociate into ions when dissolved in an aqueous solution.

PH_{3} will also remain neutral and does not dissociate into ions.  

CaH_{2} when dissolved in water then it dissociates as follows.

CaH_{2} \rightarrow Ca^{2+} + 2H^{-}  

Whereas when HF is dissolved in aqueous solution then the reaction will be as follows.

HF \rightarrow H^{+} + F^{-}

Thus, we can conclude that out of the given options HF is the compound which will produce an acidic aqueous solution.

4 0
4 years ago
Read 2 more answers
Biological membranes are present in all cells, and they make up the endomembrane system of eukaryotic cells. Among other functio
docker41 [41]

Answer:

The correct option for question 1 would be:

a bilayer containing lipids with hydrophilic head groups pointing inward and hydrophobic tail groups facing the solvent (extracellular fluid and cytosol).

The correct option for question number two would be: proteins.

Explanation:

The membranes present phospholipids that act as selective barriers between the intracellular and extracellular space, allowing an internal balance in relation to the external one.

Its conformation is mostly phospholipids, fatty acids, proteins (from transmembrane to intermembrane or external)

5 0
3 years ago
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