When you add salt to water, you lower to freezing point of the substance.
So for example, normal water freezes at 0°C. But water with salt in it won't freeze at 0°C, because its freezing point is lowered.
In answer to the question. It takes longer for water with salt in it to freeze because the substance requires a lower temperature than normal water to freeze.
Answer:
A sounds like the best answer to me because thermal energy can cool very quickly if its hot
Explanation:
<span>STP signifies standard temperature and pressure.
This conditions are at 1 atmospheric pressure and 0 degrees Celsius. It has
been said that at these conditions, one mole of a gas molecule is equivalent to
22.4 liters of volume. Therefore, the correct answer is the second option which
is 2 L of CH4.</span>