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Wewaii [24]
3 years ago
9

What distinguishes science from other disciplines that do not use scientific methods?

Chemistry
1 answer:
rewona [7]3 years ago
4 0

Correct Answer: A. Science relies on observation, measurement, and experimentation.

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Which of the following statements are true about elements and compounds?
Leto [7]
The answer is d hope this helps
3 0
3 years ago
What is the volume of silver metal will weigh exactly 2500.0g. The density of silver is 10.5g/cm3 -centimeters cubed-
Lubov Fominskaja [6]

Answer:

volume = 238.09 cm³

Explanation:

see the file

7 0
3 years ago
A chemical equation is shown:
taurus [48]

 The number  of  oxygen atoms  are 6  atoms


  <u><em>Explanation</em></u>

According to the law of mass conservation the number of  reactant atoms   is equal to  number  of product atoms.

For  given equation  to  obey  the  law of mass  conservation  it need to be balanced as below

4 Al + 3 O₂ → 2 Al₂O₃

Al₂O₃  is the  product,therefore the number of oxygen atom

= coefficient  in front  of   Al₂O₃   ×  subscript  of O

=2 x 3  = 6 atoms

7 0
4 years ago
Read 2 more answers
As the [ht] in a solution decreases, what happens to the [OH???
dimulka [17.4K]
Why you saying we can download an answer we’re here for an answer
6 0
3 years ago
A solution at 25 ∘C has pOH = 10.53. Which of the following statements is or are true? The solution is acidic. The pH of the sol
Lady bird [3.3K]

Answer:

The true statements are:

The solution is acidic

The pH of the solution is 14.00 - 10.53.

10^{-10.53}=[OH^-]

Explanation:

The pH of the solution is defined as negative logarithm of hydrogen ion concentration present in the solution .

pH=-\log[H^+]

  • The pH value more 7 means that hydrogen ion concentration is less ,alkaline will be the solution.
  • The pH value less 7 means that hydrogen ion concentration is more ,acidic will be the solution.
  • The pH value equal to 7 indicates that the solution is neutral.

The pOH of the solution is defined as negative logarithm of hydroxide ion concentration present in the solution .

pOH=-\log[OH^-]

The pOH of the solution = 10.53

10.53=-\log[OH^-]

10^{-10.53}=[OH^-]

The pH of the solution = ?

pH+pOH=14

pH=14-pOH=14-10.53=3.47

Here, the pH of the solution is less than 7 which means that solution acidic.

8 0
3 years ago
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