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Leviafan [203]
3 years ago
7

Matter is composed of basic substances called what

Chemistry
2 answers:
Andreyy893 years ago
5 0
The basic substances are called elements
leva [86]3 years ago
4 0
Matter is composed of basic substances called elements. Elements is a substance of atoms. It has the same number of protons. They are also the simplest substance that can not be broken down using chemical methods. Hoped I helped. :)
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.00 mol of gas occupy a volume of 112 L at a pressure of 1.00 atm.  What is the kelvin temperature of the gas
artcher [175]
Sorry i couldnt help
5 0
3 years ago
The modern periodic table is organized by increasing ______________ ___________.
professor190 [17]

Answer:

atomic number.

Explanation:

5 0
2 years ago
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Does mercury have more protons and electrons than tin?
Eva8 [605]
Yes. Mercury has 80 protons. Tin has 50 protons. Same for electrons, it just doesn't have an exact number.
6 0
4 years ago
5)
Kryger [21]

The empirical formula : C₁₂H₄F₇

The molecular formula : C₂₄H₈F₁₄

<h3>Further explanation</h3>

mol C (MW=12 g/mol)

\tt \dfrac{18.24}{12}=1.52

mol H(MW=1 g/mol) :

\tt \dfrac{0.51}{1}=0.51

mol F(MW=19 g/mol)

\tt \dfrac{16.91}{19}=0.89

mol ratio of C : H : O =1.52 : 0.51 : 0.89=3 : 1 : 1.75=12 : 4 : 7

Empirical formula : C₁₂H₄F₇

(Empirical formula)n=molecular formula

( C₁₂H₄F₇)n=562 g/mol

(12.12+4.1+7.19)n=562

(281)n=562⇒ n =2

Molecular formula : C₂₄H₈F₁₄

6 0
3 years ago
if the density of copper is 8.9g/cm^3 and the Volume of the sample is 23.4 mL what would be the mass? ​
Black_prince [1.1K]

Answer:

The mass of copper = 208.26 grams.

Explanation:

Density = mass / volume

8.9 = mass / 23.4

mass = 8.9 * 23.4

= 208.26 grams.

8 0
3 years ago
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