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Margarita [4]
3 years ago
13

How much pressure would 4.85 moles of He gas exert in a 4.50 L tank at 55° C?

Chemistry
2 answers:
Taya2010 [7]3 years ago
5 0

Answer:

29.0 atoms

Explanation:

puteri [66]3 years ago
3 0

Answer:

29.0 atoms

Explanation:

Don't exactly know

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3 0
3 years ago
NO + H2-&gt; N2 + H2O<br> Balance equation?
Oksanka [162]

Answer:

2NO + 4H-> N2 + 2 H2O

Explanation:

Both sides must be equal. :)

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3 years ago
9. Which series shows levels of organization in order from the smallest to the largest
erastova [34]

Answer:

B. Atom, molecule, cell, organism

Explanation:

Atoms make up molecules. Molecules make up cells. Cells make up tissue. A number of tissues working together creates an organ. Multiple organs working together creates an organ system. Organ systems working together creates one happy, functioning organism. :)

8 0
3 years ago
Using are organic compounds made by living things
DaniilM [7]

Answer:

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7 0
2 years ago
State the number of neutrons in an atom of Ne-20 and the number of neutrons in an atom of Ne-22. choose two answers * 1 point Ne
saveliy_v [14]

Answer:

Ne 20: 10

and

Ne 22: 12

Explanation:

Ne-20:

N = A - Z = 20 - 10 = 10 neutrons

Ne-22:

N = A - Z = 22 - 10 = 12 neutrons

N: number of neutrons

A: mass number

Z: atomic number

8 0
3 years ago
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