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VLD [36.1K]
2 years ago
7

How many carbon atoms are in 6 molecules of carbon dioxide?

Chemistry
2 answers:
3241004551 [841]2 years ago
5 0
Structure and properties. At room temperature carbon dioxide is a colourless and odourless gas. The carbon dioxide molecule is made up of one carbon atom joined to two oxygen atoms. This means it has a chemical formula is CO₂

Atomic mass of carbon is 12gm. 12 gm of carbon contains 6.02×10^23 no of atoms. If 12 gm of C contains Avogadro's no of atoms then 6gm of C will have half of avogadro's no of atoms(1/2×6.02×10^23) =3.01×10^23 no of atoms
o-na [289]2 years ago
4 0

For CO2 there is one atom of carbon and two atoms of oxygen. For H2O, there is one atom of oxyegen and two atoms of hydrogen. A moleclue can Be made of only one type of atom

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The specific heats at constant pressure of some common gases are provided as a thirdorder polynomial: �;<<< = � + �� +
3241004551 [841]

Answer:

1.991 kJ

Explanation:

Calculate the amount of heat ( J )

CH4 ;

coefficients are :  a = 19.89 , b = 5.02 * 10^-2 , c = 1.269 * 10^-5 , d = -11.01 * 10^-9

attached below is the detailed solution

3 0
2 years ago
Express the following quantity in scientific notation. The answer needs to have the correct number of significant figures. 21,30
melisa1 [442]
2.13 x 10 E 7 i believe this is correct
4 0
3 years ago
Read 2 more answers
50 POINTS!!!!!!!
KATRIN_1 [288]
We could reduce soil erosion and recycle phosphorus from farm and human waste so that we could help make food production sustainable and prevent algae blooms. We can also do land reclamation as well to help solve this problem. With the land, we would have to design a system to where the land could be functional again in order to plant crops, trees, also to help the wildlife that was once a part of the island. Therefore if the design is done before the mining then afterward we can do the reclamation of the land which would help the people to be able to function after the mining. It would also help the future generations that come along after the previous generations. Everyone must work together in the process in order for everyone to survive. If all this is done then the people of the island would not have to import their food. The reclamation process is the most important thing that has to be designed first whether it is land, soil, water, lakes, and clay then after plant trees, vegetation, and other forms of plants to help replenish the land after the mining is done.

I hope I helped :3
7 0
2 years ago
12. A helium-filled weather balloon has a volume of 2.4 x 102 L at 99 kPa pressure and a
Luba_88 [7]

Answer:

The answer to your question is 8.74 g of He

Explanation:

Data

V = 2.4 x 10² L

P = 99 kPa

T = 0°C

mass = ?

Process

1.- Convert kPa to atm

P = 99 kPa = 99000 Pa

                   1 atm --------------- 101325 Pa

                    x       ---------------   99000 Pa

                   x = (99000 x 1) / 101325

                   x = 0.977 atm

2.- Convert temperature to °K

°K = 273 + 0

°K = 273

3.- Substitution

      PV = nRT

- Solve for n

      n = PV / RT

      n = (0.977)(2.4 x 10²) / (0.082)(273)

      n = 24.48 / 22.386

      n = 1.093 moles

4.- Calculate the grams of He

          8 g -------------------- 1 mol

           x    -------------------- 1.093 moles

           x = (1.093 x 8) / 1

           x = 8.74 g                      

6 0
3 years ago
Read 2 more answers
A catalytic effect or acceleration of a reaction can occur in the ________ of an enzyme.
Galina-37 [17]
The active site of the enzyme.
6 0
3 years ago
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