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Valentin [98]
3 years ago
13

The chemical reaction shown here, in which a large molecule is broken down into the smaller parts that make it up, is called a _

_________ reaction
Chemistry
2 answers:
Triss [41]3 years ago
8 0
I believe such reactions are called decomposition reactions. Decomposition reactions are reactions that involve breaking down a compound into smaller compounds or individual elements. They involve input of energy in the form of heat, electricity or light to break down the compounds. When light is used the reaction is referred to as photo decomposition while when heat is used the reaction is thermal decomposition reaction e.t.c. The general form of the reaction is AB = A + B.
madam [21]3 years ago
6 0

Answer:

decomposition reaction

Explanation:

The decomposition or analysis reaction (because through it can be studied the chemical elements that give rise to the decomposed substance) is one of the types of chemical reactions in which a given compound, spontaneous if unstable and stable if defragmented chemically, it gives rise to at least two different products. In other words we can define decomposition reactions as reactions where a large molecule is decomposed into the smaller parts that compose it.

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What volume of 0.175 m na3po4 solution is necessary to completely react with 95.4 ml of 0.102 m cucl2?
VARVARA [1.3K]

 The  volume  of 0.175 M   Na3PO4   solution    that is necessary  to completely  react  withn   95.4 ml  of  0.102 M  cuCl2  is


<u>calculation</u>

<u>  </u><em> Step 1: </em> write  the equation for reaction

3CuCl2 (aq)  + 2Na3Po4 →  Cu3(PO4)2  + 6 NaCl

Step 2 : find the  moles  of CuCl2

moles  =  molarity  x  volume in liters

 volume in liters  =  95.4  /1000 =0.0954 L

moles  is therefore = 0.0954 L  x  0.102 M= 0.00973 moles


Step : use the mole  ratio to calculate  the  moles of Na3Po4

The mole ratio  of  CuCl2 : Na3PO4  is 3:2  therefore  = 0.00973 x2/3= 0.00649  moles


Step  4 :   find  the volume of  Na3PO4

volume  = moles/molarity

= 0.00649 mole /  0.175=0.037 M

5 0
4 years ago
How many Al atoms are present in 2.5 moles of Al2O3
inysia [295]

Answer:

1.5*10^24

Explanation:

1 mol of any substance contains 6.02*10^23 particles of this substance.

2.5*6.02*10^23  =1.5*10^24

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4 years ago
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Answer: A. Most radiation reaching Earth from space is blocked by the atmosphere. Therefore, some telescopes must be placed above the atmosphere.

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3 years ago
The most common isotope of nitrogen is nitrogen-14, or 14N. Which of the following atoms has the same number of neutrons as 14N?
AlexFokin [52]

Here we have to choose the atom which has same number of neutrons as 14N

The atom which has same number of neutrons as 14N among the given atoms is (D) 13C

We know, in an atom the number of electrons (atomic number) is equivalent to the number of protons. For nitrogen (N), the number of electron is 7. Thus the number of protons present in the nucleus is also 7 to make the atom uncharged.

The mass number of the atom is the number of the neutrons + number of the protons. In 14N there are 7 protons and 7 neutrons.

Thus among the given atoms the atom which has 7 neutrons will have the same number of neutrons.

A) Now in 16O the atomic number is 8 and mass number is 16. Thus the number of protons and neutrons are each 8 units.

B) In 15N, the atomic number is 7 but mass number is 15, thus number of protons and neutrons are 7 and 8 respectively.

C) In 14P the atomic number is 15 but mass number is 14, so number of protons and neutrons are 15 and -1 (not exist) respectively.

D) In 13C the atomic number is 6 and mass number is 13. So the number of protons are 6 and number of neutrons are 7.

Thus the correct answer will be D) 13C.

3 0
4 years ago
Compare two cells.  One has a surface area to volume ratio of 3:1 and the other has a ratio of 6:1.  Which one will have a bette
suter [353]
The one with the volume ratio of 3:1.

4 0
3 years ago
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