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DENIUS [597]
3 years ago
7

Which of the following has more particles

Chemistry
1 answer:
erma4kov [3.2K]3 years ago
4 0

Answer:

A mole is Avogadro's number of items: 6.022 × 1023.

Explanation:

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HELPPPPPP PLEASE
ASHA 777 [7]

Answer:

There are 3 elements, Sodium, Carbon, and oxygen. There are 2 Sodium atoms 2*2=4, one carbon, and 3 Oxygen so 4+1+3=8 total atoms. one compound CO3  

Explanation:

that's all I know

8 0
3 years ago
Why it is necessary for plants to have chloroplasts?<br><br> In your own words, please
algol13

Chloroplasts is an important part in the process of photosynthesis in some organisms. The chloroplast absorbs the energy in sunlight and uses it to produce sugars.

7 0
3 years ago
What is one chemical reaction that begins with petroleum as a starting material
emmasim [6.3K]

Answer:

Thermal decomposition or cracking

Explanation:

Petroleum is a mixture of hydrocarbons which are usually formed naturally. Petroleum undergo a host of chemical reactions. One of such is thermal decomposition or cracking.

Cracking is used in the petroleum industry to covert heavy fractions to more useful lighter ones.

When petroleum is subjected to high temperature and pressure, and in the presence of catalyst, the long chain type of petroleum will decompose into more useful smaller and lighter molecules.

Example is given below:

                  C₁₅H₃₂ → C₈H₁₈ + C₃H₆ + 2C₂H₄

6 0
4 years ago
How many valence electrons does a fluorine atom contain?<br> a. 2<br> b. 5<br> c. 7<br> d. 9
juin [17]

F---atomic number 9---1s2 2s2 2p5 -----7 electrons

6 0
3 years ago
A single replacement reaction is a reaction in which one element replaces a similar element within a compound. True or false?
AleksAgata [21]

Answer:

true

Explanation:

A single replacement reaction is a reaction that an element is displaced with another element in a compound

A+BC------AC+B

Mg+2HCl-------MgCl2+H2

8 0
4 years ago
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