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
Gekata [30.6K]
3 years ago
5

Please help urgently with question 3!!!

Chemistry
1 answer:
ryzh [129]3 years ago
6 0

I'm gonna say the 1st answer----> CuCl------->Cucl2+Cu

You might be interested in
How Non-Polar Molecule disolves in Non-Polar Molecule?
sergeinik [125]

=)

Explanation:

Nonpolar compounds do not dissolve in water. The attractive forces that operate between the particles in a nonpolar compound are weak dispersion forces. However, the nonpolar molecules are more attracted to themselves than they are to the polar water molecules.

5 0
3 years ago
One difference between mixtures and pure substances is that
defon

Answer:

The mixture is made up of different atoms and pure substance is made up of same type of atom.

The main difference is that mixture can be separated into its component by physical mean while pure substances can not be separated by physical process

Explanation:

Mixture:

  • The properties of the mixture are not same and contains the properties of all those component present in it.
  • it is a combination of one or more Pure substances and can be separated by simple physical methods.
  • it have varying boiling and melting point

Examples are:

  • mixture of salt and sand
  • Salt water is mixture of water and NaCl and can be separated by physical mean.
  • Alloys: its a mixture of different metal
  • Air: mixture of gases

Pure Substance:

Pure substances are those made of same type of atoms all elements and compounds are pure substances.

  • it can not be separated by simple physical mean
  • it have very constant and consistent melting and boiling point

Examples are:

  • Water : contain only water molecule
  • All elements: all elements are pure substance made of same atoms
  • All compounds: can not be separated by physical mean.

8 0
3 years ago
Read 2 more answers
Is this a physical or chemical change?? please help ASAP!!!
Leona [35]

Answer:

chemical

Explanation:

It is breaking down the molecules. That's chemistry

5 0
3 years ago
Notice the populations decrease as you go from the bottom of the food chain to the top. Why do you think this is so?
kodGreya [7K]
Exactly what the person above me said
5 0
3 years ago
Read 2 more answers
What is the correct formula name for calcium chloride?
Leokris [45]
C. CaCl2 is the correct answer
7 0
3 years ago
Other questions:
  • A(n) __________ exists to promote the sales of a particular manufacturer's products.
    7·2 answers
  • Mixtures two or more substances that are mixed together but are not chemically combined the substance in a mixture each keep the
    15·2 answers
  • Which of the following is a characteristic of<br> a salt?
    11·2 answers
  • Oxidation state for C in CO
    12·1 answer
  • A 1 liter solution contains 0.443 M acetic acid and 0.332 M sodium acetate. Addition of 0.365 moles of perchloric acid will: (As
    7·1 answer
  • In this experiment, you will measure mass and volume of various sport balls, both regularly shaped ball and irregularly shaped.
    9·2 answers
  • Which part of the electromagnetic spectrum has a lower frequency than visible light?
    5·2 answers
  • The half life for the radioactive decay of potassium- to argon- is years. Suppose nuclear chemical analysis shows that there is
    10·1 answer
  • If using a microscope allows you to see substances in a mixture, that mixture is _____​
    14·1 answer
  • 1.Si dos átomos tienen el mismo "Z" pero diferente "A" se trata de : a) Nucleones b) Isótopos c) Mesones
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!