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1.) A container contains 60cm3 of CO2 and 40cm3 of O2 at room temperature and pressure conditions. If 200cm3 of H2 at room temperature and pressure is now injected into the container, which of the...

Hello everyone.I want to ask something about chemistry. :)

Is there a method to determine how many oxidation states that an element can exist?normally those can have more than one oxidation...

Given that the melting point of water at 218 atm is 1.61 Celsius degree,what is the melting point of water at 0.5 atm? :)

Can anyone show me step by step for the calculation? :D

Thanks a lot...