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Marianna [84]
3 years ago
7

What is the function

Chemistry
1 answer:
Verizon [17]3 years ago
8 0

Answer:

c. carry materials to all parts of the body

Explanation:

The lungs and tissues receive oxygen and nourishment via blood.

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Justify the statement, "nuclear energy is harmful as well as useful."​
Olenka [21]

Nuclear energy is harmful because it releases of harmful ionizing radiation and has been employed in the production of atomic bombs and hydrogen bombs.

Nuclear energy is beneficial in that it produces vast amount of energy for domestic and industrial purposes.

<h3>What is nuclear energy?</h3>

Nuclear energy refers to the energy which is produced as a result of the changes that occur in the nucleus of atoms of elements.

Nuclear energy produces the largest amount of energy when compared to other forms of energy sources.

Nuclear energy is produced by two types of nuclear reactions:

  • Nuclear fission and Nuclear fusion

Nuclear energy is harmful in that it results in the release of harmful ionizing radiation which damages cells and tissues of living organisms.

Nuclear energy is also harmful because nuclear energy has been employed in the production of atomic bombs and hydrogen bombs.

On the other hand, nuclear energy is beneficial in that it produces vast amount of energy which can be used for domestic and industrial purposes. It also produces fewer wastes that damage the environment compared to fossil fuels.

In conclusion, nuclear energy is both beneficial and harmful.

Learn more about nuclear energy at: brainly.com/question/15214614

#SPJ1

8 0
2 years ago
Based on the law of conservation of matter, describe the relationship between the mass of the recants, and the mass of the produ
BaLLatris [955]

Answer:

Mass of reactant and mass of product must be equal.

Explanation:

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

Explanation:

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂

there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

5 0
3 years ago
Kelly has some sand in a bucket, but she thinks that there may be some salt mixed in with her sand. How can she determine if the
Pie
<span>Kelly has some sand in a bucket, but she thinks that there may be some salt mixed in with her sand. How can she determine if there is salt in the sand?</span><span>

 Answer: If she puts water in the bucket, the salt will dissolve.

Hope This Helped! :3</span>
3 0
3 years ago
Read 2 more answers
Do you expect to find an atom with 26 protons and mass number of 52 in nature
PilotLPTM [1.2K]
Yes, i expect to find an atom with 26 protons and mass number of 52, because if it has different number of neutrons it could be a type of isotope. As if there is different number of neutrons in an atom, they make an isotopes of that atom and if we add the number of neutrons and number of  protons we will find the mass number of that atom.
6 0
3 years ago
How are isotopes defined? forms of different elements that have the same number of neutrons in each atom forms of different elem
Gre4nikov [31]

Answer : The correct option is, forms of the same element that differ in the number of neutrons in each atom

Explanation :

Isotopes : It is defined as the forms of same element that have the same number of protons and electrons but differ in the number of neutrons.

For example : Carbon-12, carbon-13 and carbon-14 is an isotopes due to the same number of protons and electrons and different number of neutrons.

Carbon-12

Atomic number = 6

Atomic mass = 12

Atomic number = Number of protons = Number of electrons = 6

Number of neutrons = Atomic mass - Atomic number = 12 - 6 = 6

Carbon-13

Atomic number = 6

Atomic mass = 13

Atomic number = Number of protons = Number of electrons = 6

Number of neutrons = Atomic mass - Atomic number = 13 - 6 = 7

Carbon-14

Atomic number = 6

Atomic mass = 14

Atomic number = Number of protons = Number of electrons = 6

Number of neutrons = Atomic mass - Atomic number = 14 - 6 = 8

3 0
4 years ago
Read 2 more answers
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