A gas occupies 2.33 L. at STP. What pressure (torr) will this gas exert if it is expanded to 6.1

step 1 Question number 52. A gas is, gas occupies 2 .33 liter in STP. So what is mean by STP? That mean

A gas occupies 2.33 L. at STP. What pressure (torr) will...

Key Concepts

Standard Temperature and Pressure (STP)

STP refers to a set of standard conditions for temperature and pressure, typically 273.15 K (0°C) and 1 atm (or 760 torr). This standardization allows for the comparison of gas volumes and behaviors under a common reference point, simplifying calculations and making it easier to predict the behavior of gases in different conditions.

Combined Gas Law

The Combined Gas Law describes the relationship between the pressure, volume, and temperature of a fixed amount of gas when no gas particles are added or removed. It is given by the formula (P1 × V1) / T1 = (P2 × V2) / T2, which integrates Boyle’s Law (pressure-volume relationship) and Charles’s Law (temperature-volume relationship), allowing one to compute the new state of a gas when its conditions change.

Temperature Conversion

Temperature conversion, especially from degrees Celsius to Kelvin, is a critical step in gas law calculations because gas law equations require absolute temperature values. The conversion is done by adding 273.15 to the Celsius temperature, ensuring that the computed values for pressure, volume, and temperature are accurate and meaningful in a thermodynamic context.

Pressure Unit Conversion

Pressure unit conversion is necessary when the gas law equations yield a result in one unit (like atmospheres) but the problem requires an answer in another unit (such as torr). Understanding that 1 atmosphere is equivalent to 760 torr enables accurate conversion of computed pressures to the required units, ensuring consistency and correctness in the final answer.

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