General Chemistry (4th Edition)

Published by University Science Books
ISBN 10: 1891389602
ISBN 13: 978-1-89138-960-3

Chapter 3 The Periodic Table and Chemical Periodicity - Problems - Page 99: 1

Answer

$(a)$ $2P (s) + 3Br_2 (l ) → 2PBr_3 (l )$ $(b)$ $2H_2O_2(l )$ $→$ $2H_2O(l )$ $+$ $O_2(g )$ $(c)$ $4CoO(s)$ $+$ $O_2(g )$ $→$ $2Co_2O_3(s)$ $(d)$ $PCl_5(s)$ $+$ $4H_2O(l )$ $→$ $H_3PO_4(l )$ $+$ $5HCl(g )$

Work Step by Step

We balance the given chemical equations: $(a)$ $2P (s) + 3Br_2 (l ) → 2PBr_3 (l )$ $(b)$ $2H_2O_2(l )$ $→$ $2H_2O(l )$ $+$ $O_2(g )$ $(c)$ $4CoO(s)$ $+$ $O_2(g )$ $→$ $2Co_2O_3(s)$ $(d)$ $PCl_5(s)$ $+$ $4H_2O(l )$ $→$ $H_3PO_4(l )$ $+$ $5HCl(g )$
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