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DedPeter [7]
3 years ago
10

Give the formula and name for the iconic compounds formed from the following pairs of elements:

Chemistry
1 answer:
Fudgin [204]3 years ago
4 0

(1) Give the formula and name for the iconic compounds formed from the following pairs of elements:

A. KCl potassium chloride

B. ZnO zinc oxide

(2) Give the formula for each of the following ionic compounds:

A. KClO₃ potassium chlorate

B. MgSO₄ magnesium sulfate

C. KNO₃ potassium nitrate

(3) Give the name of the following covalent compounds:

A. SO₂ sulfur dioxide

B. CCl₄ carbon tetrachloride

C. SiS₂ silicon disulfide

D. SCl₂ sulfur dichloride

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Substance in which all atoms are alike
Troyanec [42]

Answer:

That substance is an element.

Explanation:

Atoms in a substance have the same identity, that substance is an element. in other words if all atoms are alike then it is an element.

Ive gotten this question asked to me before.

8 0
4 years ago
Cuál o cuáles de las siguientes características son correctas para la mayoría de los compuestos del carbono?
garik1379 [7]

Answer:

Todas son correctas

Explanation:

I) Los compuestos del carbono son solubles en disolventes no polares como el hexano, benceno, éter, etc. <em>VERDADERO. </em>La mayoría de los compuestos de carbono son apolares, y basados en la regla: Similar disuelve similar, podemos presumir que la mayoría de compuestos de carbono se disuelven en solventes no polares.

II) Los compuestos del carbono generalmente presentan puntos de fusión y de ebullición bajos. <em>VERDADERO. </em>Al ser sustancias apolares, sus fuerzas electrostáticas son bajas. De la misma manera, como su masa atómica es pequeña, las fuerzas de Van der Waals son despreciables haciendo que sus puntos de fusión y ebullición sean bajos respecto a sustancias de estrucutra similar.

III) La gran mayoría de los compuestos del carbono son combustibles, sean estos, gaseosos, líquidos o sólidos. <em>VERDADERO. </em>Los gases (Como el gas natural) son combustibles usados para cocina. Los líquidos (Como la gasolina) son combustibles y bastante inflamables. Los sólidos (Como la madera) se usan como combustibles para hacer asados o son el combustible en incendios forestales.

IV) El enlace covalente es característico de los compuestos del carbono. <em>VERDADERO. </em>La polaridad del carbono es neutral haciendo que la mayoría de los enlaces que forma sean covalentes.

<h3>Todas son correctas </h3>

5 0
3 years ago
Help!!!
Vedmedyk [2.9K]

Answer:

3.213J/mol

Explanation:

first specific heat capacity of water = 4200J/Kg K

Q=mass×temperature difference×specific heat capacity

Q=1.53×(24.3-20)×4200

Q=25.704 J

heat of solution= quantity of heat ÷ amount of substance

heat of solution= 25.704÷8

heat of solution= 3.213J/mol

8 0
3 years ago
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