Assertion: ammonia's density | /r/HasProperty | 760 mm hg
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text: The density of gaseous ammonia at 0°C and 101.3 kilonewtons (kN) per square meter (760 mm Hg) is 0.7714 kg/m3; it has a boiling point of -33.35°C, a melting point of -77.70°C, a critical temperature of 132.4°C, a critical pressure of 11.28 MN/m2 (115.0 kilograms-force [kgf] per square centimeter), a critical density of 235 kg/m3, and a heat of vaporization of 23.37 kilojoules per mole (5.581 kilocalories [kcal] per mole).