Answer:
pure hydrogen is a pure substance even though it consists of many different types of molecules. what makes it pure substance is that it is free from contamination.
Should I eat my chicken nuggets if my throat is hurting
Br2 or O2 or N2 or H2 or F2 or I2 etc.
Answer:
Catalysts
Explanation:
Catalysts lower the aviation energy.
Answer:
1.33 atm
Explanation:
use general gas equation P1 V1/ T1 = P2 V2/ T2
rearrange and make P2 the subject then solve,it should give you 1.33 atm