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Sati [7]
3 years ago
6

What is a Cilla ? What does it look like ? (In drawing )

Chemistry
1 answer:
vova2212 [387]3 years ago
3 0

a short microscopic hairlike vibrating structure found in large numbers on the surface of certain cells.

Explanation:

either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion.

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In an experiment between 26.4 grams of Mg and O,, Mgo is produced. The percent
andrew11 [14]

Answer:

39.6 g

Explanation:

The equation of the reaction is;

2Mg(s) + O2(g) --------> 2MgO(s)

To obtain the limiting reactant;

Number of moles in 26.4 g of Mg = 26.4g/24 g/mol = 1.1 moles

If 2 moles of Mg yields 2 moles of MgO

1.1 moles of Mg yields 1.1 * 2/2 = 1.1 moles of MgO

Number of moles in 26.4 g of O2 = 26.4 g/32g/mol = 0.825 moles

If 1 mole of O2 yields 2 moles of MgO

0.825 moles of O2 yields 0.825 moles * 2/1 = 1.65 moles of MgO

Hence Mg is the limiting reactant.

Theoretical yield of MgO = 1.1 moles of MgO * 40 g/mol = 44 g

Percent yield = 90%

Percent yield = actual yield/theoretical yield * 100

Actual yield = Percent yield * theoretical yield/100

Actual yield = 90 * 44/100

Actual yield = 39.6 g

7 0
3 years ago
How many grams of oxygen is needed to completely react with 9.30 moles of aluminum
Orlov [11]
Balanced chemical equation:

* moles of oxygen

4 Al + 3 O2 = 2 Al2O3

4 moles Al -------------- 3 moles O2
9.30 moles Al ---------- moles O2

moles O2 = 9.30 * 3 / 4

moles O2 = 27.9 / 4 => 6.975 moles of O2

Therefore:

Molar mass O2 = 31.9988 g/mol

n = m / mm

6.975 = m / 31.9988

m = 6.975 * 31.9988

m = 223.19 of O2


5 0
3 years ago
Helpppp me pleaseeee asaaap
Makovka662 [10]

kaloy also pala spark kabootan paano

8 0
3 years ago
What state of matter has no visible shape and fills its container?
Ilia_Sergeevich [38]
I believe it is b. I hope this helps you
8 0
3 years ago
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When a solid is placed in a container and heat is applied, a phase change occurs. Watch the video and identify which of the foll
sesenic [268]

Answer:

Explanation:"Watch the video and identify which of the following statements are correct." Excuse no video

4 0
3 years ago
Read 2 more answers
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