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3 years ago

Is the following equation balanced? FeCl₃ + MgO → Fe₂O₃ + MgCl₂ A. Yes B. No

Chemistry

1 answer:

VARVARA [1.3K]3 years ago

4 0

Answer:

The answer is B) No.

Explanation:

The equation balanced is:

2 FeCl₃ + 3 MgO → Fe₂O₃ + 3 MgCl₂

Equation balancing can be done by "trial and error" or by algebraic method.

In this way the equation is balanced on both sides having:

2 atoms of Fe, 6 of Cl, 3 of Mg and 3 of 0.

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If a liquid substance is transferred to a different container, what can be predicted about the volume of the liquid in the new c

taurus [48]

The same

Explanation:

If a liquid substance is transferred to a different container, the volume of the liquid in the new container will remain the same.

The volumes of liquids are fixed and does not change. Wherever they are contained, just like solids, they maintain their constant space.

Volume is the amount of space occupied by a body.
Gases do not have fixed volume as they fill their containers and they take up the shape.
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3 years ago

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Arlecino [84]

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2 years ago

From the mass of Al reacted, how many moles are present? What is the mole ratio between Al and H2 in the balanced chemical react

tigry1 [53]

Answer:

From the mass of Al reacted, how many moles are present? We don't have the mass of Al reacted

What is the mole ratio between Al and H2 in the balanced chemical reaction?

By stoichiometry, ratio between Al and H₂ is 3:2

What units are required on the temperature when doing calculations with gases? °K degrees

The value of R is 0.082 L.atm/mol.K

Explanation:

A chemical reaction for this can be this one:

2Al (s) + 6HCl (aq) → 2AlCl₃(aq) + 3H₂ (g)

Balanced

To get the moles which are present in the mass of Al reacted you must calculate:

Al Mass / Al molar mass = Al moles

The Ideal Gas equation is this one:

Pressure . Volume = n° moles . R (gases constant) . T°K

The temperature must be in K, because the units of R

We usually use R = 0.082 L.atm/mol.K

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3 years ago