For some reaction, δhº = + 50 kj and δsº = +40 j/k. the reaction will be thermodynamically favorable in the forward directionat all temperatures. at no temperature. when t > 1250 k. when t < 1250 k.

An observation that requires measurement is called quantitative observable or qualitative

What is the molar mass of a gas that has density of 2.054 g/l

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?