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VikaD [51]
3 years ago
12

If a car travels 400 meters in 20 sec how fast is it going

Chemistry
2 answers:
pochemuha3 years ago
7 0

Answer:

400 meters every 20 seconds

Explanation:

mihalych1998 [28]3 years ago
5 0
Clarify the distance needed, miles? Kilometers? Feet?
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On the pH scale, a 7 indicates _____.<br> a base<br> an acid<br> neutrality
worty [1.4K]

The correct answer is:

neutrality

on the pH scale 7 is neutral above 7 is basic and below 7 is acidic.

Explanation:

The pH is an example of how acidic/basic water is. The scale goes from 0 - 14, with 7 being neutral, pH of less than 7 designates acidity, whereas a pH of greater than 7 intimates a base. pH is really a pattern of the relative amount of free hydrogen and hydroxyl ions in the water.pH is a measure of how acidic/basic water is.

It is neutral because, at this pH, the molar concentrations of Hydroxide and Hydronium are same, therefore the substance is not a base nor an acid.

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1. Write the name of any four chemical preservatives mixed with readymade<br>Food.​
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