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Alborosie
3 years ago
11

PLEASE HELP ASAP

Chemistry
1 answer:
nevsk [136]3 years ago
5 0

Answer:

perchlorate as fuel. A possible reaction is

3Al (s) + 3NH4ClO4 (s) = Al2O3 (s) + AlCl3 (s) + 3NO (g) 6H2O (g)

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5. A football field is about 100 meters long. If it takes a person 20 seconds to run its length, how fast (what speed) were they
EleoNora [17]

Answer:

Speed, v = 5 m/s

Explanation:

The length of the football field, l = 100 m

the person takes 20 seconds to run its length

v=

t

d

v=

20 s

100 m

v=5 m/s

7 0
2 years ago
A solution at ph 10 contains __________ than the same amount of solution at ph 8.
Sindrei [870]

100 times less H+

A solution at ph 10 contains<u> </u><u>100 times less H+</u> than the same amount of solution at ph 8.

<h3>The pH scale: How does it function?</h3>
  • The pH scale determines how acidic or basic water is.
  • The range is 0 to 14, with 7 representing neutrality.
  • Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7.
  • In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.

<h3>How does the pH change when two acids are combined?</h3>
  • An acid's strength increases with the quantity of hydrogen ions it releases.
  • The pH of the strong acids is between 1 and 2.
  • We may observe that there is no response when two acids of the same strength are combined.
  • It's because the end product will be neutral and the pH won't change.

<h3>How is pH value determined?</h3>

There are two ways to measure pH:

  • colorimetrically with indicator fluids or sheets
  • electrochemically with electrodes and a millivoltmeter for greater accuracy (pH meter).

To learn more about pH visit:

brainly.com/question/491373

#SPJ4

8 0
2 years ago
You have a 5-liter container with 1.30×10^24 molecules of ammonia gas (NH3) at STP.
givi [52]

Answer:answer is C

Explanation:

3 0
3 years ago
Read 2 more answers
How is technology similar to printing words on a page?
lesantik [10]
Because on both of them you are typing/writing something.
5 0
3 years ago
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Which two types of information are written in an element's box in the periodic table?
GenaCL600 [577]

Answer:

Yes it is B,D.

Explanation:

Each box represents an element and contains its atomic number, symbol, average atomic mass, and (sometimes) name. The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups.

8 0
2 years ago
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