Complete this and then write out the correct answers as notes in your exercise book.
Mmuae Afoforo a Wobɛpaw:
increases
enters
Escapes
decreases
Complete this and then write out the correct answers as notes in your exercise book.
What is the final temperature for reaction B? Write your answer in the table.
Classify the variables in this experiment
Chemical used
Temperature change
Mass of chemical reacted
Concentration of chemical reacted
Volume of liquid heated
Independent variable
Dependant variable
Control variable
What name is given to reactions that heat the surroundings?
Which reaction, A, B, or C, would be best to use in a hand warmer?
The exothermic reaction makes the temperature of the engine
This is because during exothermic reactions
Which one of the substances shown in the equation is a compound? Give the formula of this compound.
2NO → N2 + O2
