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natka813 [3]
2 years ago
10

Question 1 of 7

Chemistry
2 answers:
Nata [24]2 years ago
8 0

Answer:

b

Explanation:

nlexa [21]2 years ago
3 0

Answer:

Explanation:B ice melting is a phiyscal change and the mass of the substance remains the same

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An unknown liquid has a mass of 4.25 × 108 mg and a volume of 0.250 m3. what is the density of the liquid in units of g/ml?
mrs_skeptik [129]
Density= mass/volume
             step  one :
  convert  m3  to  ml
1m^3  =1000000ml
0.250m^3 x1000000=250000ml
         
           step  two:  convert  mg   to  g
 1mg=0.001g,  therefore 4.25 x108mg=0.459g
density  is  therefore= 0.459g/250000=1.836 x10^-6g/ml
8 0
3 years ago
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Under what conditions of temperature and pressure is a gas most soluble in water?
Valentin [98]

Answer:

A gas is most soluble in water under conditions of high pressure, and low temperature.

8 0
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According to the big bang theory, which statements are accurate about how the universe came to be? Check all that apply.
asambeis [7]

The term Big Bang defines that the Universe has expanded from the ancient hot and thick primary situation at some fixed time in the past.

Big Bang theory refers to the origin of the Universe. In the beginning, universe is very heavy and small hot ball of matter. It was a point no bigger than the head of a pin when all the things squished with each other and universe is expanded with huge explosion of energy. Due to expansion, it is cooled and results in the formation of Stars and galaxies. After sometime, atoms formed like helium and hydrogen.

Thus, statement (1), (3) and (4) is correct whereas statement (2) and (5) is incorrect.

7 0
3 years ago
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Which taxonomic classification level is the largest or most broad?(1 point)
patriot [66]

According to the research, domain is the taxonomic classification level that is the largest or most broad.

<h3>What is domain?</h3>

It is the broadest taxonomic category in which known living things are classified.

In other words, it is the broadest category in which the different kingdoms of life can be organized, according to the classification models that are most widely accepted in the scientific community.

Therefore, we can conclude that according to the research, domain is the taxonomic classification level that is the largest or most broad.

Learn more about taxonomic classification here: brainly.com/question/13049455

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7 0
2 years ago
Which metal will cool faster in water<br> steel <br> copper<br> brass<br> aluminum
RideAnS [48]

Answer:

Copper!

Explanation:

Hope This Helps

4 0
3 years ago
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