1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
den301095 [7]
3 years ago
15

when a solution of sodium chloride is added to a solution of copper(ii) nitrate, no precipitate is observed. Write the molexular

equation that describes this behavior,
Chemistry
1 answer:
zhuklara [117]3 years ago
6 0

Explanation:

1.

Cu(NO3)2 + 2NaCl(aq) --> CuCl2(aq) + 2NaNO3(aq)

2.

Cu(NO3)2 + 2NaOH(aq) --> Cu(OH)2(s) + 2NaNO3(aq)

A light blue precipitate of Cu(OH)2 is formed and NaNO3 in solution.

3.

Cu(NO3)2(aq) --> Cu2+(aq) + 2NO3^-2(aq)

2NaOH(aq) --> 2Na+(aq) + 2OH-(aq)

Cu2+(aq) + 2OH-(aq) --> Cu(OH)2(aq)

2Na+(aq) + 2NO3^-2(aq) --> 2NaNO3(aq)

4.

The reaction in both Questions 1 and 2 is called Double displacement reaction. A double-replacement reaction exchanges the cations and/or or the anions of two ionic compounds. A precipitation reaction is a double-replacement reaction in which one product is a solid precipitate (precipitated) while the other in solution.

Since the cation and anions in Qustion 1 were exchanged, the same was done for Question 2, hence the identity of the precipitate in Question 2 was got.

You might be interested in
Do you think it matters if you
vovikov84 [41]

Answer:

yes I do think they mean the same thing

Explanation:

150 grams and 150 grams is the same thing and adding 0 to the end of a decimal does not change its value, you could even put 150.0000000 grams and it would still be equivalent to the other numbers

5 0
2 years ago
Helppppppppppp please
valentinak56 [21]
Your answer would have to be #3
4 0
3 years ago
At what temperature will a solid melt?
jolli1 [7]

<u>Answer</u>:

A solid will melt at the temperature at which the kinetic energy breaks the inter-molecular attractions.

<u>Explanation</u>:

The melting point is the state at which "a substance changes its temperature from a solid to  liquid". At the melting point temperature, there is an equilibrium between the both the solid and the liquid phase. When the solid particle is heated by increasing the temperature the particle in the solid vibrate quickly and it absorbs kinetic energy.

It leads to the breaking of the organisation of particle in between the solid and that leads to the melting of solid. Thus, at the melting point, the kinetic energy breaks the inter-molecular attractions.

8 0
3 years ago
Please help
Snezhnost [94]
Relatively few hydrogen atoms
5 0
3 years ago
U
Romashka-Z-Leto [24]

Answer:

the answer is produces protein which humans can eat?

4 0
3 years ago
Read 2 more answers
Other questions:
  • A solution is prepared by dissolving 15.0 g of nh3 in 250.0 g of water. the density of the resulting solution is 0.974 g/ml. the
    15·1 answer
  • One source of the isotope is reprocessed nuclear reactor fuel. how many protons and neutrons does the 106ru nucleus contain?
    15·1 answer
  • Suppose that you stir a green powder into a clear liquid. The liquid turns green. You leave the room and come back later to obse
    5·1 answer
  • What is the chemical equation of BaO+O2→BaO2 ?
    12·1 answer
  • What symbol is used for a beta particle?
    5·2 answers
  • Use the equation n2 + 3h2=2nh3 if 8.0g N2 react, how many grams of NH3 will be produced
    8·1 answer
  • help please an btw this isn't a test ill give brainliest science is really my thing. btw help with number 6
    11·1 answer
  • Write 2 paragraphs on how perfluorocarbon affects scuba divers and their bloodstream.
    7·1 answer
  • 100 POINTS!!!
    5·2 answers
  • if only 0.264 g of ca(oh)2 dissolves in enough water to give 0.178 l of aqueous solution at a given temperature, what is the ksp
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!