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Sayid recorded the temperatures of four substances in a chart.

Temperatures of Four Substances

\begin{tabular}{|l|l|}
\hline
Substance & Temperature [tex]${ }^{\circ}C$[/tex] \\
\hline
W & 12 \\
\hline
X & 18 \\
\hline
Y & 9 \\
\hline
Z & 20 \\
\hline
\end{tabular}

Which conclusion is best supported by the data?

A. The particles in substance W have a greater average kinetic energy than the particles in substance Z.
B. The particles in substance X have a greater average kinetic energy than the particles in substance Z.
C. The particles in substance W have a lower average kinetic energy than the particles in substance X.
D. The particles in substance Z have a lower average kinetic energy than the particles in substance Y.

Sagot :

GinnyAnsweridn
To determine which conclusion is best supported by the data, we'll carefully analyze the temperatures of each substance and compare them accordingly. Here's a step-by-step breakdown:

1. Review the temperatures of the substances:
- Substance W: 12°C
- Substance X: 18°C
- Substance Y: 9°C
- Substance Z: 20°C

2. Evaluate each conclusion based on the given temperatures:

- Conclusion 1: The particles in substance W have a greater average kinetic energy than the particles in substance Z.
- Temperature of W: 12°C
- Temperature of Z: 20°C
- Since the temperature of W is less than the temperature of Z, this conclusion is False.

- Conclusion 2: The particles in substance X have a greater average kinetic energy than the particles in substance Z.
- Temperature of X: 18°C
- Temperature of Z: 20°C
- Since the temperature of X is less than the temperature of Z, this conclusion is False.

- Conclusion 3: The particles in substance W have a lower average kinetic energy than the particles in substance X.
- Temperature of W: 12°C
- Temperature of X: 18°C
- Since the temperature of W is less than the temperature of X, this conclusion is True.

- Conclusion 4: The particles in substance Z have a lower average kinetic energy than the particles in substance Y.
- Temperature of Z: 20°C
- Temperature of Y: 9°C
- Since the temperature of Z is greater than the temperature of Y, this conclusion is False.

3. Final determination:
- Conclusion 1: False
- Conclusion 2: False
- Conclusion 3: True
- Conclusion 4: False

Hence, based on the given temperatures, the best-supported conclusion is: The particles in substance W have a lower average kinetic energy than the particles in substance X.
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