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Katen [24]
3 years ago
8

Your teacher Aaditri sharma has invited you to Classroom: Whip - smart Subject: All subjects of class 4,5,6,7 To join the classr

oom, download WISE App: https://links.wiseapp.live/8t8X Login as a student, and enter classroom ID: 349483373​
Chemistry
1 answer:
LUCKY_DIMON [66]3 years ago
6 0

Answer:

well what about the password!!

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Do polar molecules conduct energy as well as ionic molecules?
castortr0y [4]

Answer:

Polar molecules typically do not conduct electricity as well as ionic molecules. This is because charges in polar molecules due to unequal sharing of electrons are not as strong as the charges on ions

6 0
2 years ago
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What is the number of copper atom in one naira coin which weight is 7.3g a sum of the material is 86%
Step2247 [10]

Answer:

5.9x10²² atoms of Cu are in one naira coin

Explanation:

To solve this question we need to find the mass of Copper. Then, using its molar mass (Cu = 63.546g/mol) we must find the moles of Cu and its atoms using Avogadro's number:

<em>Mass Cu:</em>

7.3g * 86% = 6.278g is the mass of Cu.

<em>Moles Cu:</em>

6.278g * (1mol / 63.546g) = 0.099moles Cu

<em>Atoms Cu:</em>

0.099moles Cu * (6.022x10²³atoms / 1mol) =

<h3>5.9x10²² atoms of Cu are in one naira coin</h3>
4 0
2 years ago
All of the following are classified as acids except
Neporo4naja [7]
I think D im not completely sure  
7 0
3 years ago
Which statement about surface tension is FALSE?
Georgia [21]

Answer: B (Items with densities lower than water will sink due to surface tension)

Explanation:

Surface tension is an intermolecular force exerted on the surface of water making it like a stretch elastic skin. Surface tension enables items with lesser densities than water, to float and slide on a water surface. Examples insects, leaves, paper etc

According to Archimedes principle an object denser than the fluid will sink. While objects less dense than the fluid will float.

Answer is (B) is false because items with densities higher then water will sink due to surface tension

5 0
3 years ago
Arrange the components of the electron transport chain in order from least electronegative to most electronegative thereby indic
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The least electronegative component in the electron transport chain is the Hydrogen ion. 
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The other component is H2O,
Next are the energy carrier molecules which are the ADP and ATP
And finally, the most electronegative is O2.
3 0
3 years ago
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