Standard enthalpy change is measured at _____?

Standard enthalpy change is measured at _____?

معیاری انفالپی تبدیلی _____ پر ماپا جاتا ہے؟
Explanation

Standard enthalpy change is measured at a defined pressure of 101 kPa (or 1 bar, according to Testbook.com) and a temperature of 298 K (25°C).