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diamong [38]
2 years ago
9

an effervescent tablet is added to a test tube of water, producing a solution that fizzes and releases gas bubbles. The total ma

ss of the substances and the test tube were recorded before and after the tablet was added to the test tube of water.
Chemistry
1 answer:
Alona [7]2 years ago
7 0

Answer:

The mass remains same after and before the reaction

Explanation:

This is because of law of conservation of mass

Which states that

  • In a chemical reaction mass is neither created nor destroyed,it remains conserved .

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Benzene exists as a resonance hybrid and its bonds exhibit characteristics that are halfway between single and double bonds. Res
gregori [183]

Answer:

Explanation:

We can only talk about resonance hybrid for a compound in which more than one structure is possible based on its observed chemical properties.

There are compounds whose chemical properties can not be satisfactorily explained on the basis of a single chemical structure. In the case of such compounds, we invoke the idea of resonance.

A resonance hybrid is a single structure drawn to represent a given chemical specie which exhibits resonance behaviour and can otherwise be represented on paper in the form of an average of two or more chemical structures separated each from the next by a double-headed arrow.

5 0
3 years ago
HELP!!!<br> IF YOU DONT KNOW THE ANSWER THEN PLEASE DONT ANSWER!!
Simora [160]

Answer:

1. melting

2. freezing

5. condensation

6. evaporation

4 0
3 years ago
The Gulf Stream flows along the equator before turning north along Florida’s east coast. How does the Gulf Stream impact Florida
nignag [31]

Answer:

The Gulf Stream is influential on the climate of the Florida peninsula.East winds moving over this warm water move warm air from over the Gulf Stream inland, helping to keep temperatures milder across the state than elsewhere across the Southeastern United States during the winter.

Explanation:

hope this helps!

8 0
3 years ago
Read 2 more answers
Find the molarity of 131 g Ba(NO3)2 dissolved in 750.0 water
storchak [24]

Answer:

6.68 x 10^-4

Explanation:

131g ÷ 261.337g/mol = 0.5012685 moles

0.5012685 moles ÷ 750.0 liters =

0.5012685÷ 750.0=0.000668358

6.68 x 10^-4

8 0
2 years ago
Assignment: The Meaning of Mitosis Exploration
hjlf
1. Mitosis is a process where a single cell divides into two identical daughter cells (cell division).

2. Mitosis is important because it plays an important part in the development of embryos, and it is important for the growth and developemet of our body as well.

3. The four phases of mitosis are: Prophase, metaphase, anaphase, and telophase.

4. Two gap phases (G1 and G2); an S (for synthesis) phase, in which the genetic material is duplicated.

5. During S phase all of the chromosomes are replicated.

I hope that helps! c:
5 0
3 years ago
Read 2 more answers
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