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geniusboy [140]
3 years ago
14

Which scenario involves a

Chemistry
1 answer:
olga_2 [115]3 years ago
6 0

Answer:

Amount of products and reactants is constant...Although,if any of the factors that interfere this scenerio is involved then there will be a shift or change...

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Problems associated with a declining population size include _____.
Rzqust [24]
<span>The correct answer is weakened economic strength. When a declning population size starts to occur and develop, the country may experience a weakened economic strength, since the power to produce and create products and services has been hindered and weakened due to its declining population.</span>
7 0
3 years ago
Read 2 more answers
Which compound does not form a precipitate when reacted with sodium hydroxide?
Alla [95]

Answer:

NaNO₃

Explanation:

A precipitate is a compound or a salt formed from a precipitation reaction and does not dissolve in water and therefore will exist in solid state.

From the choices given precipitation reaction will occur between;

  • Fe(NO₃)₃(aq) + 3NaOH(aq) → Fe(OH)₃(s) + 3NaNO₃(aq)
  • Cu(NO₃)₂(aq) + 2NaOH(aq) → Cu(OH)₂(s) + 2NaNO₃(aq)
  • FeSO₄(aq) + 2NaOH(aq) → Fe(OH)₂(s) + Na₂SO₄(aq)

Fe(OH)₃, Cu(OH)₂, and Fe(OH)₂ are precipitates.

From the rules of solubility, hydroxides are insoluble except Ca(OH)₂ which is slightly soluble and hydroxides of ammonium and alkali metals.

5 0
3 years ago
What makes organic compounds reactive?
konstantin123 [22]

Answer:

The functional groups

Explanation:

  • An organic compound is a compound that contain carbon and another element such as hydrogen, oxygen, nitrogen, etc.
  • Functional groups are the portions of an organic compound that is capable of characteristic reactions.
  • Functional groups determine the chemical and physical properties of many organic compounds.
3 0
3 years ago
Measurements of the heights of various plants in an experiment are called
Bess [88]

Answer:

Option 1 Data

5 0
3 years ago
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A solution of toilet bowl cleaner has PH of 13 the solution is?
AlladinOne [14]
The solution is an alkali.

Usually with the pH value range of 14, substances with pH 7 can be called neutral. Meanwhile substances lower than pH 7 are acids, the lower the pH is, the more acidic it is. Such as cola, it has a pH 2, which is very acidic.
In opposite, the substances with pH over 7 are called alkalis. Again, the larger the pH value is, the more alkaline it is. So pH 13 is a strong alkaline therefore it it corrosive and can clean the toilet well.
8 0
3 years ago
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