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3 years ago

Example of electrovalent bond

Chemistry

2 answers:

tamaranim1 [39]3 years ago

8 0

Answer:

For example, the bond between the sodium and chlorine atoms in sodium chloride (NaCl).

olchik [2.2K]3 years ago

4 0

Explanation:

<h2>hope it helps.</h2><h2>stay safe healthy and happy..</h2>

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What would most likely leave behind well-sorted sediment

Hoochie [10]

Erosion, ocean waves and weathering.

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3 years ago

What is the percentage of oxygen in KCIO3?

cluponka [151]

Answer:

43.4%

Explanation:

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3 years ago

Without performing any calculations, determine whether the entropy of the system increases or decreases in the photosynthesis of

e-lub [12.9K]

Answer:

2. Decreases

Explanation:

From the combined concept of entropy and the second law of thermodynamics, it can be concluded that during the positive change in entropy, the degree of randomness of a system increases.

But in case of photosynthesis, we see a negative entropy change because in the process of photosynthesis plants take disordered things as $CO_2$ from the atmosphere and water from soil and finally make a highly ordered molecule Glucose, which is further used as a food product and source of energy by the plants. Thus it is clear that degree of randomness in decreasing in the process of photosynthesis and it is a negative change in entropy.

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3 years ago

Select the reagent that will separate the pairs of ions listed.

daser333 [38]

1 - a, 2-b, 3-d, 4 - e

<u>Explanation:</u>

<u></u> $A g^{+} \text {and } A l^{3+}$ - Separated by 6M HCl

Silver and aluminum ions can be separated using the acid, 6M HCl.

$C u^{2+} \text { and } C a^{2+}$ - Separated by H₂S

Copper and Calcium ions can be separated by the reagent hydrogen sulfide, H₂S.

$M g^{2+} \text { and } K^{+}$ - Separated by (NH₄)₂HPO₄ in NH₃

Magnesium and Potassium ions can be separated by the reagent Ammonium hydrogen phosphate in ammonia.

$N i^{2+} \text { and } C o^{2+}$ - cannot be separated

Nickel and Cobalt ion cannot be separated by the reagents given at all.

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3 years ago

Please help me (number which answer is which number)

Klio2033 [76]

1) An endothermic reaction is a reaction where heat is "absorbed" and the surrounding area is cooled. An example of an endothermic reaction is the classic baking soda and vinegar reaction. The mixture gets cold.
An exothermic reaction is one which gives off heat, such as burning, which is itself a chemical reaction.

2) (I don't actually know this one but i hope i helped with number one)

7 0

4 years ago

Example of electrovalent bond​

Example of electrovalent bond