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Alisiya [41]
3 years ago
10

What terms refers to the process by which astronomers study distant objects by dissecting examining the spectrum of light an obj

ect reflects
Cosmology
Isotropic
Singularity
Spectroscopy
Chemistry
1 answer:
mart [117]3 years ago
3 0
Spectroscopy because it talks about the study of spectrum of light.
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What are three common types of radioactivity given off by unstable atoms? How are they
Kisachek [45]

Answer:

<h3>ALPHA DECAY</h3>

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle and thereby transforms or 'decays' into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.

<h3>BETA DECAY</h3>

Beta decay is one process that unstable atoms can use to become more stable

in beta DECAY parent nuclide has proton number increased by 1 and mass number is same

<h3>GAMMA DECAY</h3>

Gamma decay is one type of radioactive decay that a nucleus can undergo. What separates this type of decay process from alpha or beta decay is that no particles are ejected from the nucleus when it undergoes this type of decay. Instead, a high energy form of electromagnetic radiation - a gamma ray photon - is released. Gamma rays are simply photons that have extremely high energies which are highly ionizing.[1] As well, gamma radiation is unique in the sense that undergoing gamma decay does not change the structure or composition of the atom. Instead, it only changes the energy of the atom s

4 0
3 years ago
If you blank water it turns into<br> Blank to form gas.
uysha [10]
If you heat a liquid like water up even more (like if you put it in a pot on the stove), then the molecules will move around so fast that they can't even hold on to each other at all. When this happens, all of the molecules go flying apart and become a gas (like when you boil water to make steam).
So you basically need to heat the water to turn it into gas.
4 0
2 years ago
The process in which a large atom is split into two smaller atoms and releases energy is called
vazorg [7]
Answer is: <span>nuclear fission.
</span>Fission is nuclear reaction<span> or a </span>radioactive decay<span> process in which the </span>nucleus of an atom splits, <span>resulting atoms are not the same </span>elements<span> as the original atom</span>. The fission reaction<span> releases large amount of </span>energy.
<span>Nuclear fission was discovered on 1938.</span>
8 0
3 years ago
The potential energy diagram for a reaction starts at 180 kJ and ends at 300 kJ. What type of reaction does the diagram best rep
aleksklad [387]

Answer: Endothermic reaction

Explanation:

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and \Delta H for the reaction comes out to be negative.

Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and \Delta H for the reaction comes out to be positive.

As the energy of reactants is 180 kJ and that of products is 300 kJ, the energy of products is greater than that of reactants, which means  the energy has been absorbed and reaction is endothermic.

8 0
3 years ago
Result in the formation of one or more new substances with new chemical and physical properties
Talja [164]

Answer:

Hi

Explanation:

A change in matter that produces one or more new substances is a chemical change (also called a chemical reaction). Burning and rusting are both examples of chemical changes. products.

5 0
2 years ago
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