Final answer:
Relative humidity changes with temperature; it lowers as temperature rises if water vapor density remains constant. This premise is often unrealistic because vapor density typically varies with temperature. In sterile environments, it's suggested to keep the relative humidity below 50%.
Step-by-step explanation:
The question pertains to relative humidity, which is a key concept in Physics, specifically within the study of meteorology and thermodynamics. Relative humidity is the ratio of vapor density to saturation vapor density at a given temperature. When the temperature changes, if the water vapor density remains constant, the relative humidity also changes. For instance, if the relative humidity is 90% at 20.0°C, and later in the day, the temperature rises to 30.0°C with constant water vapor density, the relative humidity will decrease. This is due to the increased capacity of the air to hold water vapor at higher temperatures.
It's unreasonable to assume that the water vapor density will remain constant as temperature changes because typically, as air temperature increases, its capacity to hold water vapor increases, potentially changing the actual vapor density. The premise that may be responsible for any discrepancies in the calculations would be the assumption of constant water vapor density despite temperature changes. On a practical note, in environments like Sterile Storage, it's important to maintain relative humidity levels to ensure a sterile or controlled environment; the question seems to imply a reference to an appropriate value for such a setting, which suggests a relative humidity not exceeding 50%.
To find the new relative humidity, one can use the percentage relative humidity formula, which involves the given vapor density and the saturation vapor density from a reference table. The dew point can also be calculated based on these values, which is the temperature at which the relative humidity would reach 100%.