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Alex17521 [72]
4 years ago
11

What is the purpose of cryolite during electrolysis??​

Chemistry
2 answers:
Effectus [21]4 years ago
5 0

Answer:

The purpose of cryolite during electrolysis is that the mixture of cryolite and aluminium oxide has a lower melting point than pure aluminium oxide. Molten cryolite serves as a solvent for the molten aluminium oxide and increases the conductivity of the solution.

aksik [14]4 years ago
4 0
Reduce melting point—> less energy used —> cheaper
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Injury to brain is fatal. So brain is protected from external shock and injury. State the ways brain is protected in the body.
Sergio039 [100]

The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. This watery fluid is produced by special cells in the four hollow spaces in the brain, called ventricles.

8 0
2 years ago
A compound consists of 81.8% C and 18.2% H by mass. What is its empirical formula?​
nataly862011 [7]

Answer:

Empirical formula of 81.8 carbon and 18.2 hydrogen

Steps

  • Find the empirical formula of a compound that has 81.8% of Carbon (C), 18.2% of Hydrogen (H).
  • Divide by fractional component of each mole value: C=1.5354936431103, H=4.0709872862205Round to closest whole numbers: C=2, H=4
<h3> Combine to get the empirical formula: C2H4</h3>

5 0
3 years ago
What happens to Earth’s temperature as cloud cover increases? A. The temperature increases. B. The temperature decreases. C. The
mamaluj [8]

Answer:

a

Explanation:

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4 0
3 years ago
Read 2 more answers
Consider this equation: 2.524 g (5.1 × 106 g) ÷ (6.85 × 103 g) = ? How many significant figures should the result have?
weqwewe [10]

Answer:

7

Explanation:

2.524g(5.1)(106)g

(6.85)(103)g

=

1364.4744g2

705.55g

=

1364.4744g

705.55

=

1364.4744g

705.55

=1.933916g

6 0
4 years ago
Use the periodic table to calculate the molar mass of each of the following compounds. Give your answer to the correct number of
Anna [14]
Fe: 2 x 55.845 = 111.69
O: 3 x 15.9994= 47.9982

111.69 + 47.9982 = 159.69 g/mol
7 0
3 years ago
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