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IgorC [24]
3 years ago
5

What tool do you use to measure mass?

Chemistry
1 answer:
pshichka [43]3 years ago
7 0

Answer: Balance

Explanation:  Mass is the amount of matter contained in a body.

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Please help, I don't under stand! Balance the following oxidation-reduction reaction and indicate which atoms have undergone oxi
pogonyaev

Answer:

3 FeCl3 + H2S = 2 FeCl2 + S + 2 HCl

Explanation:

Fe goes form +3 to +2

S goes from -2 to 0

H and Cl are spectator ions

Fe3+ + 1e-= Fe2+

H2S = S + 2 H+ + 2e-

3 Fe3+ + H2S = 2 Fe2+ + S + 2 H+

3 FeCl3 + H2S = 2 FeCl2 + S + 2 HCl

4 0
3 years ago
The process during which cells of the body harness energy from food consumed by a living organism is ______________________.
o-na [289]
It is called Cellular Respiration
5 0
3 years ago
The second reaction in the formation of sulfuric acid occurs slowly.
rjkz [21]

<u>Answer:</u> The correct option is NO_2(g)

<u>Explanation:</u>

A catalyst is defined as the chemical species that increases the reaction rate but does not participate in it and is left behind after the completion.

A homogeneous catalyst is one that is present in the same phase as the reactants and products.

A heterogeneous catalyst is one that is present in different phase as that of reactants and products.

For the given chemical reaction:

2SO_2(g)+O_2(g)\rightarrow 2SO_3(g)

As all the reactants and products are in gaseous state so, the homogeneous catalyst must also be in the gaseous state only.

Hence, the correct option is NO_2(g)

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
4 years ago
If a solution conducts electricity, it is positive evidence that
BlackZzzverrR [31]

Answer:

If a solution conducts electricity, it is positive evidence that solute dissolved in solvent is electrolyte.

3 0
3 years ago
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