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4 years ago

How many grams of H2O will be produced if 750 grams of Fe are produced? Fe3O4+ H2 → Fe+H2O

Chemistry

1 answer:

Thepotemich [5.8K]4 years ago

5 0

Answer:

Roughly 323g of H2O.

Explanation:

Balance your chemical equation:

1 Fe3O4 + 4H2 → 3 Fe + 4 H2O

Modulate your stoichiometry 4 steps:

$750g \times \frac{1mol}{55.8g} \times \frac{4mol}{3mol} \times \frac{18g}{1mol} = \\ = \frac{54000}{167.4} = \\ = 322.581g$

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11/10 MgL work has been done by the tension in the string. If the object has been raised a distance l from rest.

<h3>Define work done?</h3>

The definition of work is expanded so that it encompasses both the forces applied to the body and the overall displacement of the body. A constant force F is present before this block. The objective of this force is to move the body d meters in a straight line in the force's direction.

Given,

Mass of object, M

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Work done by tension in string, W

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By applying equilibrium force on string,

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T - Mg = M (g/10)

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By substituting the value in, W = T × L

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1 year ago

Write the complete ionic equation for the reaction that takes place when aqueous solutions of strontium hydroxide and lithium ph

Nesterboy [21]

Answer : The net ionic equation will be,

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Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The given balanced ionic equation will be,

$3Sr(OH)_2(aq)+2Li_3PO_4(aq)\rightarrow 6LiOH(aq)+Sr_3(PO_4)_2(s)$

The ionic equation in separated aqueous solution will be,

$3Sr^{2+}(aq)+6OH^{-}(aq)+6Li^{+}(aq)+2PO_4^{3-}(aq)\rightarrow Sr_3(PO_4)_2(s)+6Li^+(aq)+6OH^{-}(aq)$

In this equation, $Li^+\text{ and }OH^-$ are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

$3Sr^{2+}(aq)+2PO_4^{3-}(aq)\rightarrow Sr_3(PO_4)_2(s)$

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