From Atoms to Materials

Checkpoint 13.4B Extension carbon carbon dioxide oxygen Write balanced chemical equations for the following reactions: 1. Formation of carbon dioxide from carbon and oxygen Chemical formulae • carbon: C • carbon dioxide: CO 2 • oxygen: O 2 2. Formation of ammonia from hydrogen and nitrogen Chemical formulae • hydrogen: H 2 • nitrogen: N 2 • ammonia: NH 3 hydrogen ammonia nitrogen carbon 58 © United Prime Educational Publishing (HK) Limited 2024 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher. Sample