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Nata [24]
3 years ago
7

2. What do acids have in common? Their formulas all end with OH. They all produce negative hydroxide ions. Their formulas all be

gin with H. They all produce negative hydrogen ions.​
Physics
1 answer:
Contact [7]3 years ago
8 0

Answer:

All acids contain hydrogen. On reacting with metals, all acids produce hydrogen gas. All acids produce hydrogen ions in water.

Explanation:

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Does the eruption in the video constitute a pyroclastic flow
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4 years ago
What do we call the days when the sun is directly overhead the equator?
NikAS [45]

Answer:

Equinox

Explanation:

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For this reason there are two equinoxes a year, a phenomenon completely opposite to the solstice, but also marks the beginning of the spring and autumn seasons.

The equinoxes occur around March 20 or 21 and September 22 or 23, and it is the days when the Sun is exactly over the equator, which makes day and night more or less the same duration. The word ‘equinox’ comes from Latin and means precisely ‘same night’. In those two moments the part of the Earth closest to the Sun is the equator.

8 0
3 years ago
How long will it take a person walking at 2.1 m/s to travel 13 m?
MrRissso [65]

Answer:

I gonna give you the number so but you need to round 6.19047619048

Explanation:

  • This is a speed formula so you would use the formula speed=distance/time
  • You need to rearrange it to time=distance/speed
  • So you need to divide 13m by 2.1 m/s

7 0
3 years ago
Conclusions related to historical events are limited to subjective evaluation of the existing evidence because _____.
aev [14]

Answer: they can not be replicated or repeated.

Explanation:

A historical events are opened for more study and research. So, they can be repeated for more study but with reference to the documents written about that event in a manner in which others are permitted to.

Where as, the conclusions related to historical events are limited to the subjective evaluation based on the different outcomes draw as a result of individual findings.

3 0
3 years ago
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