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VMariaS [17]
3 years ago
13

Please could you help me with this question

Chemistry
2 answers:
Serga [27]3 years ago
8 0
The one on the left is pure because it is made out of one single material. The one on the right is a mixture because it is made out of multiple materials
matrenka [14]3 years ago
4 0

Answer:

first one pure

second one mixture..

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Help help help help help help help help help help
MAVERICK [17]

Answer:

this is very easy to solve

  1. (NH4)2 Co3,(NH4)2 So4,( NH4)3 Po4
  2. k2 co3, k2 so4,k3 Po4
  3. zn oh2, zn (No3)2, zn3 (Po4)
  4. ca oh2
  5. fe oh3, fe(No3)3, fe2 (co3)3, fe2 (so4)3

this is a answer I am very sure

6 0
3 years ago
When ethanol is burned, it's converted into carbon dioxide and water. Does the ethanol undergo a physical change or a chemical c
NARA [144]
It's a chemical change because ethanol is converted into other substances.
3 0
3 years ago
Choose the correct structural formula for the alcohol formed in this reaction
Angelina_Jolie [31]

Answer:

The formula is CnH2n+1OH

Explanation:

4 0
4 years ago
Read 2 more answers
At equilibrium, ________. At equilibrium, ________. all chemical reactions have ceased the rate constants of the forward and rev
balandron [24]

Answer:

<em>At equilibrium, the rate of the forward, and the reverse reactions are equal.</em>

Explanation:

In an equilibrium chemical reaction, the rate of forward reaction, is equal to the rate of reverse reaction. Note that the reactions does not cease at equilibrium, but rather, the reactants are converted to product, at the same rate at which the product is also being converted into the reactants in the reaction. When chemical equilibrium is reached, a careful calculation of the value of equilibrium constant is approximately equal to 1.

NB: If the value of equilibrium constant is far far greater than 1, then the reaction will favors more of the forward reaction, and if far far less than 1, the reaction will favor more of the reverse reaction.

6 0
3 years ago
Connectivity is an example of which type of property?​
aleksklad [387]

Answer:

physical property

Explanation:

......

3 0
3 years ago
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