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denis-greek [22]
3 years ago
9

You are trying to remove small particles from water. What would be the BEST thing you could do to remove the small particles? *

Chemistry
1 answer:
Stells [14]3 years ago
4 0
Filtration or manual
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One mole of a metallic oxide reacts with one mole of hydrogen to produce two moles of the pure metal
MAXImum [283]

Answer:

The metallic oxide is Li₂O

Explanation:

Let the metallic oxide be M₂O

Thus;

M₂O + H₂ = 2M + H₂O

Molar mass of M₂O = (2x + 16)

We assume Molar mass of M to be x.

We are told that 5.00 g of the metallic oxide produces 2.32 g of the metal.

By proportion, we can write the following;

5g of M₂O × (1 mole of M₂O/(2x + 16)) × (2 moles of M/1 mole of M₂O) = 2.32 g of M × 1 mole of M/x g of M

This cancels out to give us;

10/(2x + 16) = 2.32/x

Cross multiply to get;

10x = 2.32(2x + 16)

10x = 4.64x + 37.12

10x - 4.64x = 37.12

5.36x = 37.12

x = 37.12/5.36

x = 6.925 g/mol

The metal with a molar mass closest to this value of x is Lithium which has a molar mass of 6.94 g/mol

Thus the metal is Lithium and as such the metallic oxide is Li₂O

6 0
3 years ago
Did a chemical reaction occur while the candle was burning?
liraira [26]

Answer: yes

Explanation:

3 0
3 years ago
At a constant temperature, 600 mL of an ideal gas is at a pressure of 760 mmHg . If the volume is decreased to 300 mL, the press
belka [17]

Answer:

1520mmHg

Explanation:

Data obtained from the question include:

V1 (initial volume) = 600 mL

P1 (initial pressure) = 760 mmHg

V2 (final volume) = 300 mL

P2 (final pressure) =.?

Using the Boyle's law equation P1V1 = P2V2, the final pressure of the gas can easily be obtained as shown below:

P1V1 = P2V2

760 x 600 = P2 x 300

Divide both side by 300

P2 = (760 x 600) /300

P2 = 1520mmHg

The final pressure of the gas is 1520mmHg

7 0
3 years ago
Will give brainliest
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Answer:

D For Doras Demolishing Dub Dune Is Dungenes

8 0
2 years ago
What does the suffix -ide indicate when naming an ionic compound?
storchak [24]
It means it's the anion or the negatively charged atom
3 0
3 years ago
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