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o-na [289]
4 years ago
6

Nora walks down a street and sees a ball dropped from a building. It falls on the ground. Nearby, an iron nail is attracted towa

rds a magnet. Which statement is true about the ball and the nail?
Chemistry
1 answer:
sergejj [24]4 years ago
7 0
The ball isn't magnetic, therefore, the nail wasn't attracted towards the ball, but rather towards the magnet.
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Question 21 of 25
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Answer:

B. Acid + base = salt + water

Explanation:

In accordance to the proposal of a scientist called Svante Arrhenius, an acid is a substance that increases the H+ concentration of a solution by dissociating into it while the base increases the OH- concentration of a solution by dissociating into it. Furthermore, Arrhenius stated that this two ions combine in an aqueous solution to give water.

Hence, Arrhenius acid-base reaction is the combination of an acid and base to produce salt and water as products. That is; Acid + base = salt + water.

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Less

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Similarly, when the volume is increased, the equilibrium position shifts to the direction having a greater total number of moles.

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