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Kitty [74]
3 years ago
15

Tell Whether or not each equation is balanced

Chemistry
1 answer:
rodikova [14]3 years ago
8 0

2Fe(OH)3 → Fe2O3 + 3H2O

There are 2 iron atoms on the left, and 2 iron atoms on the right. There are 6 oxygen atoms on the left, and 6 oxygen atoms on the right. There are 6 hydrogen atoms on the left and 6 hydrogen atoms on the right.

This equation is balanced.


2Al(OH)3→ Al2O3+ 3H2O

There are 2 aluminum atoms on the left, and 2 aluminum atoms on the right. There are 6 oxygen atoms on the left, and 6 oxygen atoms on the right. There are 6 hydrogen atoms on the left and 6 hydrogen atoms on the right.

<span>This equation is balanced.</span>

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Why does a solid change to a liquid when heat is added
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Which of the following reactions does the coenzyme biotin catalyze?
Papessa [141]

Answer:

c. decarboxylation of an a-keto acid.

Explanation:

Decarboxylation refers to the removal of the carboxyl group from a carboxylic acid and thus releasing carbon dioxide. Decarboxylases are enzymes that speed up the removal of the carboxyl group from acids. These reactants could be amino acids, alpha-keto acids, and beta-keto acids. Biotin is known to catalyze the decarboxylation of malonyl CoA to acetyl CoA during fatty acid synthesis.

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5 0
3 years ago
What is the molecular formula of a compound with the empirical formula
ipn [44]

Answer:  C_2H_2O_2

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Empirical formula is the simplest chemical formula which depicts the whole number of atoms of each element present in the compound.

The empirical formula is CHO

The empirical weight of CHO = 1(12)+1(1)+1(16)= 29 g.

The molecular weight = 60 g/mole

Now we have to calculate the molecular formula:

n=\frac{\text{Molecular weight}}{\text{Equivalent weight}}=\frac{60}{29}=2

The molecular formula will be=2\times CHO=C_2H_2O_2

Thus molecular formula will be C_2H_2O_2

5 0
3 years ago
Write a definition for each word and use each word in a sentence.<br> crystallization and organic
Artemon [7]

Answer:

Crystallization is the solidification of atoms or molecules into a highly structured form called a crystal.

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Organic chemistry is the scientific study of the structure, properties, composition, reactions, and synthesis of organic compounds

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