<u>Answer: </u>The chemical symbol of the element is Sulfur.
<u>Explanation:</u>
The element which is present in third period of the periodic table having four 3p electrons is Sulfur. Sulfur is the 16th element of the periodic table which has 6 valance electrons.
The electronic configuration of this element is: ![[Ne]3s^23p^4](https://tex.z-dn.net/?f=%5BNe%5D3s%5E23p%5E4)
This element is considered as a non-metal because it will accept electrons in order to attain stable electronic configuration.
Hence, the chemical symbol of the element is Sulfur.
"An advertisement for a commercial hand warmer claims that the hand warmer works because a chemical reaction in the hand warmer draws out the body’s own natural heat causing a warming effect"
Explanation:
Hand warmer
- Hand warmers are the pockets which produce heat, that you hold on the hands to warm your fingers.
- Niichi Matoba, the Japanese inventor created the first commercially manufactured hand warmer.
- Two types of hand warmers
A) Crystalline type
B) Air activated
C) Lighter
D) Battery
E) Charcoal
- The chemicals produce heat from oxidizing iron into rust or iron oxide in the pockets. Each packet contains cellulose, iron, vermiculite activated carbon, water and salt. Hand warmer produces heat for 1 to 10 hrs.
- Releases heat in the crystallization process. Exothermic reaction to release heat in the chemical hand warmer. The hand warmer lasts only for 20 minutes to 2 hrs.it Is reusable. Supersaturated solution of sodium acetate in water is the common chemical used in this product.
- These temperature reach up to 163 degrees Fahrenheit.
Answer:
carbon-14
Explanation:
becouse protons and neutrons are nagetivly charged
Answer:
Number of moles of nitrogen gas = 9.84 mol
Explanation:
Given data:
Number of moles of nitrogen gas = ?
Number of moles of dinitrogen monoxide = 9.84 mol
Solution:
Chemical equation:
2N₂O → 2N₂ + O₂
Now we will compare the moles of N₂O and N₂
N₂O : N₂
2 : 2
9.84 : 9.84
