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3 years ago

¿Que significa que los metales sean dúctiles y maleables?

Chemistry

1 answer:

Novosadov [1.4K]3 years ago

3 0

Answer:

ambas son una propiedad similar, pero el metal maleable puede batirse y extenderse en láminas o planchas delgadas, mientras que el metal dúctil, permite obtener hilos o sobres de diferentes grosores.

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A solution of sulfuric acid (H2SO4, 25.00 mL) was titrated to completion with 34.55 mL of 0.1020 M sodium hydroxide. What was th

Karolina [17]

Answer:

0.0705 M

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

H₂SO₄ + 2NaOH —> Na₂SO₄ + 2H₂O

From the balanced equation above,

The mole ratio of the acid, H₂SO₄ (nA) = 1

The mole ratio of the base, NaOH (nB) = 2

Next, data obtained from the question. This include the following:

Volume of acid, H₂SO₄ (Va) = 25 mL

Volume of base, NaOH (Vb) = 34.55 mL

Molarity of base, NaOH (Mb) = 0.1020 M

Molarity of acid, H₂SO₄ (Ma) =?

The molarity of the acid, H₂SO₄ can be obtained as follow:

MaVa / MbVb = nA/nB

Ma × 25 / 0.1020 × 34.55 = 1/2

Ma × 25 / 3.5241 = 1/2

Cross multiply

Ma × 25 × 2 = 3.5241

Ma × 50 = 3.5241

Divide both side by 50

Ma = 3.5241 / 50

Ma = 0.0705 M

Therefore, the concentration of the acid, H₂SO₄ is 0.0705 M

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3 years ago

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Write a Balanced Equation <br><br><br><br> H2 + Cl2 --> __HCl

Mariana [72]

Answer:

2HCL

Explanation:

Both the elements have 2 so when placing the 2 infront ,it'll distribute/ apply to both

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Write the reaction for the weak base co32- in water

Gekata [30.6K]

The weak base carbonate reacts with the water forming bicarbonate and the hydroxide ion.

The weak bases are given as the compounds that have the inability to get completely dissociated in water.

The carbonate is given as the weak base, as in water it remains constituted in the form of a bond with oxygen.

The reaction of water with the carbonate ion is given as:

$\rm CO_3^{2-}\;+\;H_2O\;\rightleftharpoons HCO_3^-\;+\;OH^-$

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¿Que significa que los metales sean dúctiles y maleables?​

¿Que significa que los metales sean dúctiles y maleables?