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Temka [501]
3 years ago
10

Please help me please

Chemistry
1 answer:
Vesna [10]3 years ago
8 0
Metabolism-the chemical processes that occur within a living organism in order to maintain life.
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Equation Unbalanced : __AlCl3 + __F2 --> __AlF3 + __Cl2
Greeley [361]

\\ \rm\Rrightarrow 2AlCl_3+3F_2\longrightarrow 2AlF_3+3Cl_2

  • Balanced

3mols of fluorine produce 2 mol chlorine

1 mol fluorine produces 2/3=0.6mol chlorine

Moles of fluorine gas=

  • 4/19
  • 0.2mol.approx

Moles of chlorine:-

  • 0.2(0.6)=0.18mol

Mass of chlorine

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6 0
3 years ago
The graph shows a relationship between volume and temperature. Which of the following statements is true?
Marat540 [252]

Answer:

The graph shows a directly proportional relationship between volume and temperature and represents Charles' Law.

Explanation:

The relation between volume and temperature is given by :

Ideal gas law, PV = nRT

Where

P is pressure

V is volume

R is gas constant

T is temperature

As volume and temperature have direct relationship. Charles law states that there is a direct relationship between volume and temperature. The correct option is (a).

5 0
3 years ago
True or False a chemical formula is a representation of the smallest unit of a compound?
trapecia [35]

Answer:

true. I think

Explanation:

A chemical formula shows the atoms a molecule is made of.

3 0
3 years ago
Which layer contains almost 90% of the atmosphere's total mass?
Afina-wow [57]
The answer is the troposphere

4 0
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Name the following compound with a polyatomic ion: Na₂SO₄ *
Helga [31]

Answer:

sodium sulfate

Explanation:

For naming an ionic compound with polyatomic anion, the metal is written first using its element name followed by name of the polyatomic anion. Therefore, the compound with Na+Na+ cation and SO2−4SO42− anion is named as sodium sulfate.

6 0
3 years ago
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