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Schach [20]
2 years ago
5

PLEASE HELP SOMEONE PLEASEEEE

Chemistry
1 answer:
crimeas [40]2 years ago
4 0

Answer:

the answer is b

hope this helps you!!

Have a lovely day!

-millie :D

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During absorption, frequency of the incoming light wave is either near or at the energy level of the electrons in the matter of the material. The electrons will absorb the energy of the light wave and change their energy state.

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Consider the total ionic equation below. Upper B a superscript 2 plus, plus 2 upper N upper O subscript 3 superscript minus, plu
Basile [38]

Answer:

WHATS THE QUESTION

Explanation:

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3 years ago
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What is an example of a microorganism acting in a harmful way? A) Bacteria aiding digestion. B) Bacteria causing strep throat. C
vaieri [72.5K]
Not very often, but sometimes, the language gives away the question. This is one such instance.

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B <<<< answer.
4 0
3 years ago
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How many atoms are in 9.3moles of lithium?
vladimir1956 [14]

Answer:

3.45 moles Li  contains  2.08 × 10 (to the power of)24  atoms .

Explanation:

The relationship between atoms and moles is:

1  mole atoms =

6.022 × 10 (to the power of)23

atoms

In order to determine how many atoms occupy a given number of moles, multiply the given moles by  

6.022 × 10 (to the power of)23

atoms/mole

.

In the case of 3.45 moles lithium (Li):

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2.08 × 10 (to the power of)24

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3 0
2 years ago
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In physical changes, the atoms or molecules that compose the matter do not change their identity, even though the matter may cha
slavikrds [6]

Answer:

True

Explanation:

when a physical change occurs in a substance, the appearance might change but the chemical identity remains same. For example, if liquid water is heated, the water changes to gaseous form .This means the appearance of the water has changed, but the chemical identity remains same as both liquid water and steam has both oxygen and hydrogen as the component molecules or atoms.

3 0
3 years ago
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