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lesantik [10]
3 years ago
9

Where is most of Earth’s fresh water found?

Chemistry
2 answers:
FromTheMoon [43]3 years ago
7 0

Answer: Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.

plz mark brainliest.

puteri [66]3 years ago
6 0

Answer:

ice caps and glaciers

Explanation:

Over 68 percent of the fresh water on Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers, and swamps.

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Why do elements that have positive ions occur on the left side of the periodic table?
HACTEHA [7]
The elements on the left side of the periodic table are positive ions because they all lose electrons to find balance, thus leaving them with a positive charge.
4 0
3 years ago
A student has a sample of a solid dissolved in a liquid. The task is to separate the mixture into its pure components. What ques
Lunna [17]

Answer:

When two or more substances, that do not react chemically, are blended together,

the result is a mixture in which each component retains its individual identity and

properties.

The separation of the components of a mixture is a problem frequently encountered

in chemistry. The basis of the separation is the fact that each component has a

different set of physical and chemical properties. The components are pure substances

which are either elements or compounds. Under the same conditions of pressure and

temperature, the properties of every sample of a pure substance are identical. Each

sample melts at the same temperature, boils at the same temperature, has the same

solubility in a given solvent, etc.

Although these and other characteristics can be used to identify a particular

substance, we will be concerned, in this experiment, with the separation of a mixture

into its components, not with the identification of the substances. Techniques used to

separate mixtures rely on differences in the physical properties of the components.

Techniques useful for the separation of mixtures include the following:

DISTILLATION is the purification of a liquid by heating it to its boiling point, causing

vaporization, and then condensing the vapors into the liquid state and collecting the

liquid. Separation of two or more liquids requires that they have different boiling

temperatures. All boiling temperatures can be reduced by decreasing the pressure

on the liquid.

EXTRACTION is the removal of one substance from a mixture because of its

greater solubility in a given solvent.

FILTRATION is the process of removing or "straining" a solid (the chemical term is

precipitate) from a liquid by the use of filter paper or other porous material.

DECANTING is the pouring of a liquid from a solid-liquid mixture, leaving the solid

behind.

CENTRIFUGING is the process of separating a suspended solid from a liquid by

whirling the mixture at high speed.

SUBLIMATION is the physical property of some substances to pass directly from

the solid state to the gaseous state without the appearance of the liquid state. Not

all substances possess this characteristic. If one component of a mixture

sublimates, this property may be used to separate it from the other components of

the mixture. Iodine (I2), naphthalene (C10H8, mothballs), ammonium chloride

(NH4Cl) and dry ice (solid CO2) are some substances which sublime.

CHROMATOGRAPHY is the process of separating a mixture by the distribution of

its components between two phases, one phase being stationary and the other

phase moving. Some examples of chromatography are gas chromatography, paper

chromatography, and thin-layer chromatography.

7 0
3 years ago
Read 2 more answers
Include a map with points where neon can be found.
nalin [4]
Here is some information: "Neon is a chemical element with symbol Ne and atomic number 10. It is in group 18 of the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. It was discovered in 1898 as one of the three residual rare inert elements remaining in dry air, after nitrogen, oxygen, argon and carbon dioxide were removed. Neon was the second of these three rare gases to be discovered, and was immediately recognized as a new element from its bright red emission spectrum. The name neon is derived from the Greek word, νέον, neuter singular form of νέος, meaning new. Neon is chemically inert and forms no uncharged chemical compounds. The compounds of neon include ionic molecules, molecules held together by van der Waals forces and clathrates."

Also: "Neon is rare on Earth, found in the Earth's atmosphere at 1 part in 55,000, or 18.2 ppm by volume (this is about the same as the molecule or mole fraction), or 1 part in 79,000 of air by mass."

Also I only found one if that is okay but here it is: It is the place where it is a city and most people find most neon there.

5 0
3 years ago
Which of the following instruments has the highest pitch?<br> bass drum<br> flute<br> trombone
sweet [91]

Answer:

Flute

Explanation:

7 0
3 years ago
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What would happen to an object if the force of gravity on Erath decreased by half
abruzzese [7]

Answer:

the object will float for a few seconds and most likely fall back down because it still has a little bit of gravity attached or it would float a few inches up but not too high in the air where its out of reach

Explanation:

6 0
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