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victus00 [196]
3 years ago
13

The system containing all the muscles of the body especially those involved in movement CONSIST of the three types of muscle ske

letal smooth and cardiac
Chemistry
1 answer:
Sunny_sXe [5.5K]3 years ago
3 0
The muscular system is involved in movement and has skeletal, smooth, and cardiac muscles
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Balance the equation :<br> CoBr3 + CaSO4<br><br> please define how many atoms each element contain
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Answer:

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Explanation:

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8 0
3 years ago
PLEASE HELP ME I NEED HELP
Crazy boy [7]

Answer:

<u>5 moles S x (36.02 g S/mole S) = 180.1 grams of S</u>

Explanation:

The periodic table has mass units for every element that can be correlated with the number of atoms of that element.  The relationship is known as Avogadro's Number.  This number, 6.02x10^{23} , is nicknamed the mole, which scientists found to be a lot more catchy, and easier to write than  6.02x10^{23}.  <u>The mole is correlated to the atomic mass of that element.</u>  The atomic mass of sulfur, S, is 36.02 AMU, atomic mass units.  <u>But it can also be read as 36.02 grams/mole.</u>

<u></u>

<u>This means that 36.02 grams of S contains 1 mole (6.02x</u>10^{23}<u>) of S atoms</u>.

<u></u>

This relationship holds for all the elements.  Zinc, Zn, has an atomic mass of 65.38 AMU, so it has a "molar mass" of 65.38 grams/mole.  ^5.38 grams of Zn contains 1 mole of Zn atoms.  

And so on.

5.0 moles of Sulfur would therefore contain:

(5.0 moles S)*(36.02 grams/mole S) = <u>180.1 grams of S</u>

Note how the units cancel to leaves just grams.  The units are extremely helpful in mole calculations to insure the correct mathematical operation is done.  To find the number of moles in 70 g of S, for example, we would write:

(70g S)/(36.02 grams S/mole S) = 1.94 moles of S.  [<u>Note how the units cancel to leave just moles</u>]

4 0
2 years ago
In the name, iron(III) oxide, the (III) represents
miss Akunina [59]

Answer:

A

Explanation:

the number o iron atoms

7 0
3 years ago
Which compounds were classified as organic compounds according to the early chemists​
Alona [7]

Answer:

Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.

5 0
2 years ago
How much time does it take a cheetah to travel 300 meters at a speed of 15 meters per second
cluponka [151]

Answer:

20 seconds

Explanation:

if hes travelling to get to 300 meters, you have to divide the distance(300) by time (15) to get your answer of 20 seconds

5 0
3 years ago
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