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Alexeev081 [22]
3 years ago
9

Is CaC1 a ionic , Polar covalant or non polar covalent ?

Chemistry
1 answer:
patriot [66]3 years ago
5 0

Polar Covalent.

This is because both Calcium (Ca) and Carbon (C) are non metals, thus eliminating the ionic option.

It is polar covalent rather than nonpolar covalent due to the fact that the electrons in a polar covalent bond are shared unequally while those in a nonpolar bond are shared equally.

This can be determined by looking at the amount of valence electrons; if the electrons cancel each other out, it is shared equally. If not, it is shared unequally.

Hope this helps!

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This indicator becomes colored when the solution is no longer acidic.
Irina-Kira [14]

Answer:

Is pink in base solution, it provides a visual signal that a solution has changed from acid to a base, is colorless in acid solution.

Explanation:

As all the indicator, phenolphtalein has the property that turns pink when the solution that you have reaches a value of a pH of 9 or above. From 0 to 8 in a pH scale, is colorless. This point in which an indicator changes is it called equivalence point.

3 0
3 years ago
Which of the following is an oxidation-reduction reaction? Fe2O3 3CO Right arrow. 2Fe 3CO2 CuSO4 2NaOH Right arrow. Cu(OH)2 Na2S
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The reaction, Fe2O3 + 3CO------> 2Fe + 3CO2 is an oxidation-reduction reaction.

An oxidation-reduction reaction is a reaction in which there is a change in oxidation number from left to right in the reaction. This is because, a specie is oxidized and another specie is reduced.

In the reaction;  Fe2O3 + 3CO------> 2Fe + 3CO2, we can see that the oxidation number of iron decreased from +3 on the left hand side to zero on the right hand side. The oxidation number of carbon was increased from + 2 to +4.

Learn more: brainly.com/question/10079361

6 0
3 years ago
Are these correct? Also, what is number 7?
crimeas [40]
The protons and neutrons
4 0
3 years ago
Read 2 more answers
A chemist requires 0.752 mol na2co3 for a reaction. how many grams does this correspond to?
Sliva [168]
<span>79.70 grams First, calculate the molar mass of Na2CO3 by looking up the molar mass of the elements used in it. Sodium = 22.989769 Carbon = 12.0107 Oxygen = 15.999 Multiply each molar mass by the number of atoms used, and sum the results to get the molar mass 2 * 22.989769 + 12.0107 + 3 * 15.999 =105.9872 Finally, multiply the molar mass by the number of moles you need. 0.752 * 105.9872 = 79.7024 grams</span>
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How a metallic bond forms
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Metallic bonds are formed by the valence electrons from the s and p orbitals of the interacting metal atoms delocalizing.
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4 years ago
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