b............................................
They're based on hydrogen.
Answer:A
Explanation:
Your muscular system is at work
The ideal gas law is P1V1/T1 = P2V2/T2. STP means the temperature is 273 K and pressure is 101.3 kPa. According to this formula, the new volume V2=2.15*58*273/(298*101.3) = 1.13 L.
Answer:
The entropy and the systems surrounding it tend to increase.
