RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Energy Changes, and Reversible Reactions, Exercise 2: Q

Author:RoseMarie Gallagher & Paul Ingram

RoseMarie Gallagher Chemistry Solutions for Exercise - RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Energy Changes, and Reversible Reactions, Exercise 2: Q

Attempt the practice questions on Chapter 9: Energy Changes, and Reversible Reactions, Exercise 2: Q with hints and solutions to strengthen your understanding. Complete Chemistry for Cambridge IGCSE® Second Edition solutions are prepared by Experienced Embibe Experts.

Questions from RoseMarie Gallagher and Paul Ingram Solutions for Chapter: Energy Changes, and Reversible Reactions, Exercise 2: Q with Hints & Solutions

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 9 - Energy Changes, and Reversible Reactions>Q>Q 1

Two steps must takes place, to go from reactants to products. What are they?

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 9 - Energy Changes, and Reversible Reactions>Q>Q 2

Some reactions are endothermic. Explain why using the ideas of bond making and bond breaking.

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 9 - Energy Changes, and Reversible Reactions>Q>Q 3

Hydrogen reacts with oxygen. Draw the equation for the reaction, with lines to show the bonds.

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 9 - Energy Changes, and Reversible Reactions>Q>Q 4

Now see if you can calculate the energy change for the reaction between hydrogen and oxygen, given the bond energy