What is the pressure inside a 25 L container that holds 82 moles of gas at a temperature of 2500 C?

One does not belong why? ice, gold ,wood ,diamond and table salt

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled