If the solubility of a gas in water is 5.0 g/L when the pressure of the gas above the water is 2.5 atm, what is the pressure of
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Answer:
Explanation:
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In this case, since the molarity of a solution is calculated by diving the moles of solute by the volume of solution in liters, we first compute the moles of barium hydroxide in 35.5 g as shown below:
Then, the liters of solution:
Finally, the molarity turns out:
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Converting the temperature, 295 K from Kelvin to Celsius scale:
Water has a boiling point of and a melting point of
When we compare water at two different temperatures, we can say that water is in liquid form at both these temperatures as both of them are quite below the boiling temperature and above the melting temperature.
The temperature difference between water at the given two temperatures =
Water at is at a higher temperature and so is warmer than water at a lower temperature of
.