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____ [38]
3 years ago
11

A 3.000g sample of naphthalene undergoes complete combustion to produce 10.30g CO2 and 3.37g of H2O MW=128. What is the empirica

l formula of naphthalene and what is the molecular formula of this naphthalene?
Chemistry
1 answer:
prohojiy [21]3 years ago
4 0

Answer:

I think its 3.14

Explanation:

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The atoms of some radioactive isotopes, or radioisotopes, are used in scientific studies. They are called _______.
lys-0071 [83]

Radioactive Isotopes


Hope this helps

7 0
4 years ago
How does the understanding of the structure of the atom help you see both unity and diversity in forms of matter?
gtnhenbr [62]
<span>How does understanding the structure of the atom help you see both unity and diversity in forms of matter?</span><span>


Understanding the structure of the atom helps to understand unity in matter because all matter is made up of those very similar atoms. Understanding the structure of the atom helps to understand diversity in matter because matter can be different (solid, liquid, gas, hard, soft, etc) and knowing the structure of the atom can explain these differences.

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5 0
4 years ago
Read 2 more answers
In a DNA molecule, if 38% of the molecular bases are C (cytosine), what percent of the bases are T (thymine)?
andreyandreev [35.5K]

Answer:

thymine is 19%

Explanation:

Acc to Chargaff's rule, amount of Adenine= amount of Thymine as well as amount of Guanine= amount of Cytosine. Amount left for Thymine and Adenine is 38% now. Since both Adenine and Thymine are, again in equal quantities, so therefore percentage of thymine is 19%.

8 0
3 years ago
What are the prompt neutrons that occur during nuclear fission?
zysi [14]

Answer:

Prompt Neutrons

Explanation:

Principle. Using uranium-235 as an example, this nucleus absorbs thermal neutrons, and the immediate mass products of a fission event are two large fission fragments, which are remnants of the formed uranium-236 nucleus. These fragments emit two or three free neutrons (2.5 on average), called prompt neutrons.

4 0
3 years ago
6. How many sections are there to an SDS for a given chemical? *
Ad libitum [116K]
The answer would be 16
4 0
3 years ago
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