1 mole H2O ------------- 6.02x10²³ molecules
?? moles H2O ---------- 2.0x10²² molecules
( 2.0x10²²) x 1 / 6.02x10²³ => 0.03322 moles
hope this helps!
1 mole ----- 22.4 L ( at STP)
4.5 moles ---- ?
V(N₂) = 4.5 * 22.4 / 1
V(N₂) = 100.8 L
hope this helps!
Answer:
extensive property
Explanation:
Length is in extensive properties because they change depending on how much of the matter you have.
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The colors emitted by fireworks are products of chemical reactions. These products can be harmful to the environment, that's why, in other countries, it is prohibited to use fireworks, unless during New Year or Christmas. For example, blue fireworks from copper release cancerous dioxins, green sparks come from barium which is radioactive,etc.
