Complete this and then write out the correct answers as notes in your exercise book.
Drugi mogući odgovor:
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?
Give a reason why you chose this reaction.
This reaction had the change in temperature.
What measurements would the student make to show that the reaction is exothermic?
Measure the with a .
Add the reactants together.
Measure the temperature with the same
How would these measurements show that the reaction is exothermic?
The temperature would
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
Why is it important to stop carbon monoxide (CO) from being released into the air?
Carbon monoxide is as it stops the red blood cells being able to transport
