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zepelin [54]
2 years ago
15

3. 2.71x1022 molecules of CO2 to atoms I NEED HELP

Chemistry
1 answer:
dolphi86 [110]2 years ago
6 0

2.71 x 10²² molecules of CO2 is equivalent to 2.71 x 10²² atoms.

<h3>What is number of molecules?</h3>

The number of molecules in an element is the combination of atoms in that element.

The number of molecules of an element can be calculated by multiplying the number of moles of that element by Avogadro's number, which is 6.02 × 10²³.

However, the number of molecules in a substance is equivalent to the number of atoms in that substance.

Therefore, 2.71 x 10²² molecules of CO2 is equivalent to 2.71 x 10²² atoms.

Learn more about number of atoms at: brainly.com/question/14190064

#SPJ1

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Please help me ASAP I’ll mark Brainly
poizon [28]

Answer:

Electrical, heat, and light

Explanation:

3 0
3 years ago
. A sample of crude oil has a density of 0.87 g/mL. What volume (in liters) does a 3.6 kg sample of this oil occupy
gayaneshka [121]

Answer:

The volume is 4.13793 L

Explanation:

Density is a quantity that expresses the relationship between the mass and the volume of a body, so it is defined as the quotient between the mass and the volume of a body:

density=\frac{mass}{volume}

Density is a characteristic property of every body or substance.

The most commonly used units of density are \frac{kg}{m^{3} } or \frac{g}{cm^{3} } for solids, and \frac{kg}{L} or \frac{g}{mL} for liquids and gases.

In this case, you know:

  • density= 0.87 \frac{g}{mL}
  • mass= 3.6 kg= 3,600 g (being 1 kg=1,000 g)
  • volume= ?

Replacing:

0.87\frac{g}{mL} =\frac{3,600 g}{volume}

Solving:

volume =\frac{3,600 g}{0.87\frac{g}{mL}}

volume= 4,137.93 mL

Being 1,000 mL=1 L, then volume= 4,137.93 mL= 4.13793 L

<u><em>The volume is 4.13793 L</em></u>

5 0
4 years ago
4. What is the role of the<br> benedict solution in testing for<br> presence of carbohydrates
Vanyuwa [196]

Answer:

it identifies reducing sugars (monosaccharide's and some disaccharides), which have free ketone or aldehyde functional group

Explanation:

It turns from turquoise to yellow or orange when it reacts with reducing sugars.

3 0
3 years ago
5. Why doesn't the air at a frontal boundary mix?​
Vsevolod [243]

Answer:

At a front, the two air masses have different densities, based on temperature, and do not easily mix. One air mass is lifted above the other, creating a low pressure zone.

Explanation:

Hope this helps!

4 0
3 years ago
Unscramble the word nlpituloo
nadezda [96]
Hello

The word is "pollution"

Hope this helps and have a great day!
3 0
3 years ago
Read 2 more answers
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