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erastova [34]
3 years ago
11

What state of matter is hydrogen?

Biology
2 answers:
Alex_Xolod [135]3 years ago
6 0
Hydrogen is in a state of matter as a gaseous form. (so the answer is gas)
son4ous [18]3 years ago
5 0
Hydrogen is definitely a gas
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A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W
Arlecino [84]

<u>Answer</u>:       D. calcium chloride

<em>Calcium chloride molecules can be ruled out as the mystery molecule</em>

<u>Explanation:</u>

<em>Artificial membranes are also called as the synthetic membranes.</em> It is created synthetically for the <em>special separation purpose in the laboratory. </em>

It is used to separate large molecules like <em>solid particles and big biological molecules like protein, DNA. </em>

They are produced from organic materials. <em>Calcium chloride contains the chloride ion and calcium ion,</em> as the chloride ion easily passes the artificial membrane so we can term <em>calcium chloride as the mystery membrane that passes the artificial membrane easily.</em>

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2 years ago
What is unusual about Earth’s mantle being exposed?
cluponka [151]

Answer:

There is no actual way that the mantle could be...'exposed' or 'seen'. But scientists have managed to find multiple ways to analyze the mantle and it's actual existence by using multiple devices. The mantle is basically a 2,900 kilometers (1,802 miles) thick blocks of rocks and minerals underneath the crust(or the surface of the earth) , and makes up a whopping 84% of Earth's total volume.

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Does kinetic energy have more energy in the solid state than in the liquid state?
Angelina_Jolie [31]

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Liquids have more kinetic energy than solids

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When a substance increases in temp, heat is being added, and its particles are gaining kinetic energy.

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3 years ago
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Which form of cell transport allows small molecules to move from an area of higher concentration to an area of lower concentrati
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I think the correct answer from the choices listed above is option D. Simple diffusion is the cell transport that allows small molecules to move from an area of higher concentration to an area of lower concentration without energy being <span>required from the cell.</span>
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Pls help! I need to finish my test :/
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Answer:

B

Explanation:

6 0
2 years ago
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