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algol [13]
2 years ago
13

I WILL GIVE YOU BRAINLIEST!!!

Chemistry
2 answers:
Digiron [165]2 years ago
8 0

Q) which sentence uses emitting correctly ?

<h3>Answer :</h3><h2><em>(</em><em>c) Charlie heard birds emitting a very strange sound .</em></h2>

Explanation<em> </em><em>:</em>

<em>Emitting</em><em> </em><em>means</em><em> </em><em>'</em><em> </em><em>to</em><em> </em><em>give</em><em> </em><em>off</em><em> </em><em>'</em><em> </em><em>,</em><em> </em><em>since</em><em> </em><em>birds</em><em> </em><em>are</em><em> </em><em>giving</em><em> </em><em>off</em><em> </em><em>a</em><em> </em><em>strange</em><em> </em><em>sound</em><em> </em><em>,</em><em> </em><em>we</em><em> </em><em>say</em><em> </em><em>"</em><em> </em><em>Charlie heard birds emitting a very strange sound</em><em> </em><em>"</em><em> </em><em>.</em>

sertanlavr [38]2 years ago
3 0

Answer:

its either A or C

Explanation:

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The molarity (M) of an aqueous solution containing 22.5 g of sucrose (C12H22O11) in 35.5 mL of solution is ________.
Nonamiya [84]

Answer:

1.86 M

Explanation:

From the question given above, the following data were obtained:

Mass of sucrose (C12H22O11) = 22.5 g

Volume of solution = 35.5 mL

Molarity of solution =?

Next, we shall determine the number of mole in 22.5 g of sucrose (C12H22O11). This can be obtained as follow:

Mass of sucrose (C12H22O11) = 22.5 g

Molar mass of C12H22O11 = (12×12) + (22×1) + (16×11)

= 144 + 22 + 176

= 342 g/mol

Mole of C12H22O11 =?

Mole = mass /Molar mass

Mole of C12H22O11 = 22.5 /342

Mole of sucrose (C12H22O11) = 0.066 mole

Next, we shall convert 35.5 mL to litres (L). This can be obtained as follow:

1000 mL = 1 L

Therefore,

35.5 mL = 35.5 mL × 1 L / 1000 mL

35.5 mL = 0.0355 L

Thus, 35.5 mL is equivalent to 0.0355 L.

Finally, we shall determine the molarity of the solution as follow:

Mole of sucrose (C12H22O11) = 0.066 mole

Volume of solution = 0.0355 L.

Molarity of solution =?

Molarity = mole /Volume

Molarity of solution = 0.066/0.0355

Molarity of solution = 1.86 M

Therefore, the molarity of the solution is 1.86 M.

8 0
3 years ago
What would cause the equilibrium to shift left in this reaction? CO + 3H2 ? CH4 + H2O A. Adding heat to the product mixture B. A
Irina-Kira [14]

Answer:

Pretty sure the answer is A on Plato

Explanation:

I looked it up, and it said that raising the temperature would cause the equilibrium to shift left.

8 0
2 years ago
Read 2 more answers
One mole of carbon, sulfur, and aluminum, respectively. Which jar contains the most atoms?
forsale [732]

Answer:

sulphur cuz its weight is 32.065g

Explanation:

this is correct

plz mark me brainliest

7 0
3 years ago
Read 2 more answers
How much carbon would be needed to make 8.8g of carbon dioxide?<br>​
PIT_PIT [208]
The calculation for such a question can be achieved via Avogadro hypothesis

We know molar mass of CO2 is 44g/mole which is the sum of atomic masses i.e; C and 2 oxygen atoms

Molar mass of CO2 =12(C)+2*16(O) = 44 g/mole will contain 6.023 ※10^23 CO2 molecules ..

44g/mole = 6.023 ※10^23 CO2 molecules

=> 1g = (6.023/44) ※10^23 CO2 molecules

==> 8.80g = 8.80(6.023÷44)10^23 = 1.2046 ※10^23 molecules of CO2….

Thus there r 1.2046 ※10^23 molecules of CO2 in 8.80g

if u need to calculate no. of carbon atoms then multiply result by 1 and if u need no of oxygen atoms in 8.80g of co2 then multiply the result by 2 ….
7 0
2 years ago
Which animal resembles their parents already after being born or hatched?
nikitadnepr [17]
I think maybe reptiles bu i could be wrong. :)
7 0
2 years ago
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