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The table shows the specific heat of four substances—brick, dry soil, paper, and water. If all four substances were exposed to sunlight for the same amount of time, which substance would heat up the slowest?

\begin{tabular}{|l|c|}
\hline
Substance & Specific Heat [tex]$\left(\frac{ J }{ g ^{\circ} C }\right)$[/tex] \\
\hline
brick & 0.9 \\
\hline
dry soil & 1.26 \\
\hline
paper & 1.336 \\
\hline
water & 4.18 \\
\hline
\end{tabular}

A. water
B. dry soil
C. paper
D. brick



Answer :

GinnyAnswer
To determine which substance would heat up the slowest when exposed to sunlight for the same amount of time, we need to consider their specific heat capacities. A substance with a higher specific heat capacity can absorb more heat without experiencing a significant change in temperature.

Here's the given specific heat values for each substance:
- Brick: [tex]\(0.9 \, J/g^{\circ}C\)[/tex]
- Dry soil: [tex]\(1.26 \, J/g^{\circ}C\)[/tex]
- Paper: [tex]\(1.336 \, J/g^{\circ}C\)[/tex]
- Water: [tex]\(4.18 \, J/g^{\circ}C\)[/tex]

We need to compare these values to find the highest specific heat capacity, as this indicates the substance that will heat up the slowest.

After comparing:
- Brick: [tex]\(0.9 \, J/g^{\circ}C\)[/tex]
- Dry soil: [tex]\(1.26 \, J/g^{\circ}C\)[/tex]
- Paper: [tex]\(1.336 \, J/g^{\circ}C\)[/tex]
- Water: [tex]\(4.18 \, J/g^{\circ}C\)[/tex]

We see that water has the highest specific heat capacity of [tex]\(4.18 \, J/g^{\circ}C\)[/tex].

Therefore, the substance that will heat up the slowest is water.

The correct answer is:
A. water

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