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Yuliya22 [10]
3 years ago
7

A blank is formed or separated by physical processes.

Chemistry
2 answers:
rusak2 [61]3 years ago
5 0

Answer:

Mixtures

Explanation:

Mixtures are simply a physical combination of two or more substances. They can be separated based only by physical means, or by undergoing physical changes. A physical change alters a substance without changing its composition.

Hope it helps!!

Troyanec [42]3 years ago
5 0
Very good question, The answer you’re looking for is “mixtures” The reason why you may ask Mixtures are physically combined structures that can be separated into their original components.

God bless and have a blessed day.
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A pure substance melts at 88 degrees celsius and does not conduct electricity in either the solid state or the liquid state. it
scoundrel [369]

Answer:

The answer to your question is: Covalent compounds.

Explanation:

In chemistry there are two kinds of compounds:

Ionic compounds are composed by a metal and a nonmetal, and some are

                              good conductors of electricity in solid state or when they

                              dissolve in water.

Covalent compounds are composed by to nonmetals, their melting point is

                                      lower compare to ionic compounds and are not

                                      conductors of electricity in solid state or when are

                                      dissolve in water.

4 0
3 years ago
Which organic compound consists of the elements carbon, hydrogen, and oxygen and has carbon and hydrogen atoms in a 2:1 ratio?
NISA [10]

Answer:

A) Maltose

Explanation:

Maltose has the chemical formula of C12H22O11 which shows that it is composed of the elements carbon, hydrogen, and oxygen. Maltose also has carbon and hydrogen atoms in a 2:1 ratio.

3 0
4 years ago
The temperature of nitrogen is unknown when the gas occupies 100.0 mL at 99.10 kPa. If the gas is known to occupy 74.2 mL at 133
laiz [17]

Answer:

The unknown temperature is 304.7K

Explanation:

V1 = 100mL = 100*10^-3L

P1 = 99.10kPa = 99.10*10³Pa

V2 = 74.2mL = 74.2*10^-3L

P2 = 133.7kPa = 133.7*10³Pa

T2 = 305K

T1 = ?

From combined gas equation,

(P1 * V1) / T1 = (P2 * V2) / T2

Solving for T1,

T1 = (P1 * V1 * T2) / (P2 * V2)

T1 = (99.10*10³ * 100*10^-3 * 305) / (133.7*10³ * 74.2*10^-3)

T1 = 3022550 / 9920.54

T1 = 304.67K

T1 = 304.7K

3 0
3 years ago
Tell me facts about speed of the curiosity rover. Or any facts about curiosity rover
swat32

Answer:

speed= 0.14km/h

Explanation:

it is 9 feet 10 inches long by 9 feet 1 inch wide

has 4 main science goals

-Determine whether life arose on Mars

-Characterise the climate of Mars

-characterise the geology of Mars

-prepare for human exploration

7 0
3 years ago
PLZ HELP!! ILL MARK BRAINLIEST!! What claim do ghost hunters make about energy-detecting devices? They can determine how many sp
Nonamiya [84]

Answer:

[See Below]

Explanation:

I mean they say all those things , but if it has to do with just the device I'm guessing it'd most likely be They can sense the presence of spiritual energy  since they claim it's the device they are using to tell them if there is something there they can't see.

3 0
3 years ago
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