Each mole of butane needs 6.5 moles of oxygen, so 13 moles of oxygen is required for 2 moles of butane in a complete combustion
125 Each half life it divides by 2 the amount1000/2=500500/2=250250/2=125
Answer:
nothing can travel faster than light
In vacuum it is 186282 miles per second
Explanation:
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