Answer:
A) measuring mass of metal used in a reaction
Explanation:
Quantitive observations is data involving statistics and numerical values.
The rest of the bot needs to be able to heat up to cook ur food but the handles should be cooler so u can touch them
Answer:
55
Explanation:
25g is less dense than 80g therefore will mostly float. if you subtract 80-25 that will leave you will 55 as the difference
Answer:
The answer to your question is 4
Explanation:
Chemical reaction
C₂H₆ + O₂ ⇒ CO₂ + H₂O
Reactants Elements Products
2 Carbon 1
6 Hydrogen 2
2 Oxygen 3
Balanced chemical reaction
2C₂H₆ + 7O₂ ⇒ 4CO₂ + 6H₂O
Reactants Elements Products
4 Carbon 4
12 Hydrogen 12
14 Oxygen 14
When the reaction is balanced the coefficient for CO₂ is 4.