Standard temperature and pressure are defined as what? Chemistry Gases Measuring Gas Pressure 1 Answer anor277 Sep 1, 2016 See this site. Explanation: These days it's #273.15# #K#, and #100*kPa# #"(1 bar)"#. Depending on the curriculum, and the subject, different definitions pertain. Most older chemists would regret the passing of #1*atm# #=(101.3*kPa)# as a standard. Answer link Related questions What is used to measure gas pressure in a closed container? What tool is used to measure gas pressure? What units are used to measure gas pressure? What is Boyle's law? What is an example of a gas pressure practice problem? What are some common mistakes students make when measuring gas pressure? What is an example of a Boyle's law practice problem? How do Boyle's law and Charles' law differ? How can I measure gas pressure? How does Boyle's law affect the human body? See all questions in Measuring Gas Pressure Impact of this question 1933 views around the world You can reuse this answer Creative Commons License