Certainly! Let's go through the questions step by step, providing detailed solutions.
---
### 61. Correctly re-order the chemical changes taking place in the experiment.
Given the following events:
\begin{tabular}{|c|l|}
\hline A & Heavier carbon dioxide sinks to the bottom inside the beaker and displaces excess air \\
\hline B & Oxygen inside the beaker is used up when it reacts with carbon, producing carbon dioxide \\
\hline C & Carbon dioxide extinguishes the flame by pushing any remaining oxygen away from the flame \\
\hline D & Water rises to replace the oxygen molecules that reacted with carbon \\
\hline
\end{tabular}
The correct order of the events is:
B, A, D, C
---
### 62. Identify the non-metal oxide in the reaction above.
Based on the information, the non-metal oxide involved in the reaction is:
carbon dioxide
---
### 63. Based on the experiment above, explain why carbon dioxide is used in fire extinguishers.
Carbon dioxide is used in fire extinguishers because it displaces oxygen, which is necessary for combustion, and extinguishes the flame. This effectively cuts off the oxygen supply to the fire, stopping the combustion process.
---
### 64. The equation below shows two non-metals reacting:
[tex]\[ S + O_2 \rightarrow SO_2 \][/tex]
641. How many molecules of oxygen are needed to create six molecules of the product?
For every molecule of [tex]\( SO_2 \)[/tex] produced, 1 molecule of [tex]\( O_2 \)[/tex] is required. Therefore, to create 6 molecules of [tex]\( SO_2 \)[/tex], you need:
6 molecules of [tex]\( O_2 \)[/tex]
---
Those are the answers for each part of the question, derived step by step.
