...ideal gas measured at

**Standard**temperature &**pressure**(STP). At ...gas has: P = 1**atm**. V = 22.4 Li/mole...do, you can use that**pressure**now**in**the ideal gas equation. ...2 Answers · Science & Mathematics · 10/11/2012

a) heat capacity of calorimeter: 16.00 watt = 16.00 J/s X 555 sec = 8.88 X 10^3 J/3.12 C = 2.845 X 10^3 J/C Heat liberated by combustion = 2.33 C X 2.845 X 10^3 J/C = 6.63 X 10^3 J 6.63...

1 Answers · Science & Mathematics · 08/03/2011

... force exerted by the gas

**in**the balloon is equal to the opposite... plus the force from the atmospheric**pressure**outside the balloon. The best...m = PVM / RT m = 1.0**atm**x 7.5L x 4.0 g/mol / 0.0812...4 Answers · Science & Mathematics · 13/01/2013

Let z be the mass (

**in**grams) of methane burned. Then (5.84 - z) is the mass...1 Answers · Science & Mathematics · 08/06/2016

... enthalpy change of formation, ΔfHoliquid −277.38 kJ/mol Standard molar entropy, Soliquid 159.9 J/(mol K) Enthalpy of...

2 Answers · Science & Mathematics · 25/09/2007