The root mean square speeds at STP for the gases H2, N2 , O2 and HBr are in the order n2 O2 and HBr are in the order The root mean square speeds at STP for the gases H2 February 10, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related