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kiruha [24]
1 year ago
12

On a sunny day, you can sometimes see dust in the air. Explain why the dust moves.

Chemistry
1 answer:
Nata [24]1 year ago
3 0

Answer:

Explanation:

When wind passes through. the dust, the dust then also moves throughout the air, when you move and breath in a room, you create slight wind (like a fan moving to creating wind) and this slight wind moves the dust particles.

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Carbon burns in the presence of oxygen to give carbon dioxide. Which chemical equation describes this reaction?
Alex73 [517]
Your answer is B.
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3 0
4 years ago
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If 7.25g of chlorine is reacted with excess hydrogen and produces 7.25 g HCl. What is the percent yield?
lozanna [386]

Answer:

94.61 %

Explanation:

percent yield = (actual yield / theoretical yield) X 100%

The balanced equation for the reaction is:

H2 (g ) + Cl2(g) => 2 HCl (l)

So, the theoretical yield =  

 7.25g of chlorine X (2mol of Cl / 35.453 g of Cl) X (2mol Cl / 2mol of HCl) X  37.469g of Hcl / 2mol of Hcl = 0.409 x 18.735 = 7.663g of Hcl

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= (7.25 g / 7.663g) X 100

= 94.61 %

   

3 0
3 years ago
Explain in complete sentences how heat is transferred in fluids.
navik [9.2K]

Heat, or thermal energy, is transferred in fluids through a process called convection.

6 0
4 years ago
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What is the ionsphere in the layers of the atmosphere?
Alika [10]
Hi!

The Ionosphere, also known as the Ozone Layer, is a layer in the atmosphere that is home to Ozone gas. This layer protects earth from ultraviolet (UV) radiation.

Hope this helps :)
5 0
4 years ago
What is the mass in grams of 0.700 moles of water, H2O
irga5000 [103]

Answer:

12.6

Explanation:

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8 0
3 years ago
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