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Readme [11.4K]
3 years ago
8

Someone please help?!?

Chemistry
1 answer:
ss7ja [257]3 years ago
4 0

Answer: to late sorry maybe next time

Explanation:

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In an anatomy class, a student has been learning about the bones of the body. While taking a test, he needs to identify the ster
storchak [24]

Answer:

The term “flat bone” is somewhat of a misnomer because, although a flat bone is typically thin, it is also often curved. Examples include the cranial (skull) bones, the scapulae (shoulder blades), the sternum (breastbone), and the ribs. Flat bones serve as points of attachment for muscles and often protect internal organs.

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How many moles are equal to 2.188E+23 atoms of iron?
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<span>2.188*10^23 atoms of iron
6.022*10^23 atoms/mole
(2.188*10^23 atoms of iron)/(6.022*10^23 atoms/mol)~.3633 moles of iron

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3 years ago
Which is the best description of a molecule?
Svet_ta [14]

Answer:

The third option "A molecule of a compound is composed of at least two types of atoms" is correct

Explanation:

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How Does being a doormat help a tree survive winter
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Explanation: mark me brainlest plz if this helped only !

4 0
2 years ago
How many grams of \text{NaCl}NaClstart text, N, a, C, l, end text will be produced from 18.0 \text{ g}18.0 g18, point, 0, start
Nezavi [6.7K]

Answer:

18.7887 g of NaCl

Explanation:

<em>The question reads - How many grams of NaCl will be produced from 18.0 g of Na and 23.0 g of Cl2?</em>

Let us start by writing out the balanced equation of the reaction:

Na + Cl2 ---> NaCl2

1 mole, each of Na and Cl2 is required to produce 1 mole of NaCl.

mole = mass/molar mass

Therefore

18 g of Na = 18/23 = 0.7826 mole

23 g of Cl2 = 23/71 = 0.3239 mole

In this case, the Na is in excess and the Cl2 becomes the limiting reagent. Hence

0.3239 mole of Cl2 will react with 0.3239 mole of Na to yield 0.3239 mole of NaCl.

mass of 0.3239 mole NaCl = 0.3239 x 58 = 18.7887 g

<u>Hence, 18.7887  grams of NaCl will be produced from 18.0 g of Na and 23.0 g of Cl2.</u>

3 0
3 years ago
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