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3 years ago

What best explains the cause of strong winds on a island?

Chemistry

2 answers:

n200080 [17]3 years ago

8 0

Lack of objects that could be used to slow down the winds, I.e. lack of trees or other natural barriers

Bingel [31]3 years ago

6 0

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(a) Write the dissolution reaction for solid Na2CO3 below. (Use the lowest possible coefficients. Include states-of-matter under

Andreas93 [3]

Answer:

For a: The chemical equation for the dissolution of sodium carbonate is $Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)$

For b: The net acid-base reaction is $CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)$

Explanation:

For a:

Dissolution reaction is defined as the reaction in which a solid compound gets dissolved in water to form aqueous solution.

The chemical equation for the dissolution of sodium carbonate follows:

$Na_2CO_3(s)\rightarrow Na_2CO_3(aq.)$

Ionization reaction is defined as the reaction in which an ionic compound dissociates into its ions when dissolved in aqueous solution.

The chemical equation for the ionization of sodium carbonate follows:

$Na_2CO_3(aq.)\rightarrow 2Na^+(aq.)+CO_3^{3-}(aq.)$

For b:

Now, the anion formed which is $CO_3^{2-}$ reacts with water to form conjugate acid.

The chemical equation for the reaction of anion with water follows:

$CO_3^{2-}(aq.)+H_2O(l)\rightarrow OH^-(aq.)+HCO_3^-(aq.)$

Hence, the net acid-base reaction of the anion formed and water is written above.

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3 years ago

Which pair of atoms has the most polar bond? (1) H−Br (2) H−Cl (3) I−Br (4) I−Cl

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For the question given above, option 2 which is H-Cl pair of atoms has the most polar bond among the four of them.

The larger the value of the electronegativity, the greater the atom’s strength to attract a bonding pair of electrons. Hydrogen has an electronegativity of 2.1, and chlorine has an electronegativity of 3.0. The electron pair that is bonding HCl together shifts toward the chlorine atom because it has a larger electronegativity value.

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2 years ago

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Blance: Mg + HNO2 → Mg(NO2)2 + H2

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Explanation:

Mg + 2HNO2 → Mg(NO2)2 + H2

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A science teacher showed the class how potassium chromate changes color when it’s temperature change . Which of the following st

GarryVolchara [31]

Answer:

its b

Explanation:

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A baseball strikes the roof of a car and dents it. The paint on the roof begins to crack and chip, exposing the metal. The expos

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The exposed metal rusts is an example of a chemical change because rust is an example of a chemical change in objects for example bicycles, scooters, etc.

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3 years ago

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What best explains the cause of strong winds on a island?​

What best explains the cause of strong winds on a island?