Final answer:
The non-standard condition for gas measurements at STP listed is 1.00 torr, as STP is defined as 273 K (0°C) and 1 atm pressure.
Step-by-step explanation:
The question asks which of the following is not a standard condition (STP) for gas measurements. The correct answer is (d) 1.00 torr, as this is not a unit of pressure used to define STP. Standard temperature and pressure for a gas are defined as conditions at 0°C (273.15 K) and 1 atm pressure. It's important to note that there are slightly different definitions of STP depending on the scientific context or historical framework, but the most commonly referred to STP in chemistry is 273.15 K and 1 atm.
Standard Temperature and Pressure (STP) is a set of standard conditions used for comparing and measuring gases. The standard conditions for STP are defined as 0 degrees Celsius (273.15 Kelvin) and 1 atmosphere of pressure. Under STP, one mole of an ideal gas occupies 22.414 liters of volume.
One condition that is not part of the standard STP is the presence of water vapor. STP assumes a dry gas condition, meaning that the gas being measured does not contain any water vapor. The water vapor can introduce variability and affect measurements, so STP is typically specified for dry conditions.
In summary, the presence of water vapor is not a standard condition for gas measurements under STP. STP assumes dry gas conditions, and any deviation from this can lead to inaccuracies in measurements.