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Karo-lina-s [1.5K]
3 years ago
10

Carbon burns with oxygen to produce carbon dioxide gas.

Chemistry
1 answer:
Reika [66]3 years ago
3 0

Answer:

Explanation:

The answer is

C + 20=CO2

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Fe^2 O^3 + 6HCl --> 2FeCl^3 + 3H^2 O
7 0
3 years ago
8. How many atoms of cobalt are in a 0.39 mole sample of CoC
Debora [2.8K]

8.98

×

N

A

 

cobalt atoms

Explanation:

N

A

,

Avogadro's number

specifies  

6.0221

×

10

23

individual particles. It is simply another collective number like a dozen, or a score, or a gross.  

N

A

has the property that  

6.0221

×

10

23

individual cobalt atoms has a mass of  

58.93

⋅

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. How did I know that? Did I have it memorized?

So the quantity is  

≈

 

54

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cobalt atoms.

3 0
3 years ago
1. How is a bicycle race like a chemical reaction? The Tour de France is one of the most famous bicycle races in the world. It i
MrRa [10]

During the riding of the steep mountain, the body needs more energy because going up consume more energy and oxygen due to additional effect of gravity on your momentum.

<h3>What is the effect of cycling?</h3>

Cycling is a good exercise as swimming, while cycling, happy hormones are released like dopamine and serotonin.

The primary forces that work while cycling are gravity, friction, rolling resistance, and air resistance.

Thus, During the riding of the steep mountain, the bod needs more energy because going up consume more energy and oxygen due to additional effect of gravity on your momentum.

Learn more about effect of cycling

brainly.com/question/26055886

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4 0
2 years ago
If you need to measure the volume of liquid in a bottle of eye drops, what unit would be the most practical?
aniked [119]
The volume of eye drop fluid in a bottle is specified in milliliter, because in medical 1 drop=12ml
7 0
3 years ago
The volume of 1.20 lol of gas at 61.3 kPa and 25.0 degree Celsius is
aniked [119]

Answer:

V = 48.5 L

Explanation:

Converting °C to K and kPa to atm

T = 25.0°C + 273.15 = 298.15 K

P = 61.3 kPa × (1 atm / 101.325 kPa) = 0.60498 atm

Calculating the volume of gas

V = nRT / P

V = (1.20 mol)(0.082057 L•atm/mol•K)(298.15 K) / 0.60498 atm

V = 48.5 L

4 0
2 years ago
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