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Alik [6]
3 years ago
13

Which type of reaction releases the greatest amount of energy per mole of reactant?(1) combustion (2) decomposition (3) nuclear

fusion (4) oxidation-reduction
Chemistry
2 answers:
Marina CMI [18]3 years ago
5 0
 (3) nuclear fusion. Nuclear fusion reactions release a lot of energy
NISA [10]3 years ago
5 0
Nuclear fusion.

Nuclear fusion reactions release a lot of energy

Explanation:

In natural philosophy<span>, </span>the nuclear reaction could be a<span> reaction </span>during which 2<span> or </span>additional<span> atomic nuclei </span>identical<span> enough </span>to create one<span> or </span>additional completely different<span> atomic nuclei and subatomic particles (neutrons or protons). The </span>distinction<span> in mass between the reactants and </span>product<span> is manifested </span>because the unharness of enormous<span> amounts of energy.</span>
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Suppose you need to prepare 136.9 mL of a 0.315 M aqueous solution of NaCl.
Varvara68 [4.7K]

Answer:

2.52 g NaCl

Explanation:

(Step 1)

To find the mass, you first need to find the moles NaCl. This value can be found using the molarity ratio:

Molarity = moles / volume (L)

After you convert mL to L, you can plug the given values into the equation and simplify to find moles.

136.9 mL / 1,000 = 0.1369 L

Molarity = moles / volume

0.315 M = moles / 0.1369 L

0.0431 = moles

(Step 2)

Now, you can use the molar mass to convert moles to grams.

Molar Mass (NaCl): 22.990 g/mol + 35.453 g/mol

Molar Mass (NaCl): 58.443 g/mol

0.0431 moles NaCl           58.443 g
------------------------------  x  -------------------  =  2.52 g NaCl
                                            1 mole

4 0
2 years ago
I need help please . science
dlinn [17]

Answer:

Whats that supposed to mean?

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Explanation:

8 0
2 years ago
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Gerald's science teacher mixed liquid X and liquid Y, both at room-temperature, in a large beaker. two beakers of clear solution
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Answer:

the answer is C

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Plants require nitrogen fixed in compounds to grow. A higher the percentage of nitrogen results in improved plant growth. Which
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Explanation:

c and d. I'm not sure which one is better tho

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Which of the following best describes an orbital?
Debora [2.8K]

Answer:

a) a space in an atom where an electron is most likely to be found

Explanation:

Atomic orbital is the mathematical function which describes wave-like behavior of the electrons present in the atom.

It is used to calculate probability of finding the electron of the atom in any  region around nucleus of the atom. Atomic orbital is the physical region or a three dimensional space where the probability of finding the electron is more than 90% which also means that the space where an electron is most likely to be found. They are boundless space and have definite energy.

Option A best describes atomic orbital.

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