What volume of oxygen (O2) gas is equal to 4.5 moles at STP (Standard Temperature and Pressure)?

What are the advantages of using the metric system? designed as a decimal system making conversions simpler more accurate system of measurement has prefixes that correspond to an amount to use with all base units used by the entire scientific community

Which of the following statements are incorrect?

Sheela and her brother hari were sitting in the living room, watching tv. suddenly hari said that he thinks something is burning in the other room. how did he get the burning smell?