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Question

# The pressure 45.0 meters under water is 543 kPa. What is this pressure in atm?

Solution

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We can use the conversion factor that $1\text{ atm} = 101.325 \text{ kPa}$ to convert the pressure from $\mathrm{kPa}$ to $\mathrm{atm}$. For that, we will just divide the given pressure at $45$ meters, which is $543\text{ kPa}$ with $1 ~\mathrm{atm}$, which is $101.325\text{ kPa}$.

\begin{align*} P &= \frac{543 }{101.325 } \\ &\boxed{= 5.36 \text{ atm} } \end{align*}

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