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eimsori [14]
3 years ago
8

Please help question is attached

Chemistry
1 answer:
Likurg_2 [28]3 years ago
4 0
Top R is physical. Top L is chem. Bottom L is physical. Bottom R is chem.
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Is the measure of a quantity of energy.<br> Temperature<br> Mole<br> Heat<br> Kinetic motion
Andreas93 [3]

Answer:the answer is moles

Explanation: joules are measurements of energy, and moles Joules

4 0
3 years ago
Which natural polymers are involved with making clothing?
fredd [130]

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A. wool, silkworm, cocoon, and cellulose

Explanation:

I hope this helped!

7 0
3 years ago
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The element lead (Pb) consists of four naturally occurring isotopes with masses of 203.97302, 205.97444, 206.97587, n 207.97663
Zanzabum

Answer:

The atomic mass of lead is: 207.216 u

Explanation:

data                 Isotopes                     mass                      percent

                             1                      203.97302                      1.4

                             2                     205.974444                    24.1

                            3                      206.97587                       22.1

                            4                      207.97663                       52.4

atomic mass = (203.97302x 0.014) + (205.974444 x 0.241) +

                        (206.97587 x 0.221) + (207.97663 x 0.524)

atomic mass = 2.856 +49.639 + 45.742 + 108.979

atomic mass = 207.216 u

8 0
3 years ago
What type of bond will two carbon atoms form?
Cerrena [4.2K]

Answer:

Nonpolar covalent  bond

Explanation:

when carbon atoms bonds to its self it form a nonpolar covalent bond

6 0
4 years ago
What is the mass of a sample of nitrogen trichloride containing 5,500 molecules?
quester [9]
The answer is A
explanation
7 0
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