required practical
Cards (24)
- What type of reaction is being investigated in this practical?
- What two substances are involved in the neutralization reaction?
- What is the independent variable in this experiment?
- What is the dependent variable in this experiment?
- What are the control variables in this experiment?
- How do you measure the hydrochloric acid for the experiment?
- Why is the polystyrene cup used in the experiment?
- What should be done after adding sodium hydroxide to the acid?
- What happens to the temperature during an exothermic reaction?
- Why does the maximum temperature decrease after a certain volume of sodium hydroxide?
- What is the effect of adding more sodium hydroxide particles?
- How do you calculate the mean value for maximum temperature?
- What should you do with the results at the end of the experiment?
- What does the sample graph show about sodium hydroxide volume and temperature?
- Why is it important to use a lid on the polystyrene cup?
- What is the procedure for measuring temperature change in an exothermic reaction?
- Why is a thermometer significant in the experiment?
- Why is it important to repeat the experiment multiple times?
- What is the role of the beaker in the experiment?
- What does energy release in exothermic reactions imply?
- What defines a neutralization reaction?
- Why is recording data in a table important?
- How do you ensure accurate temperature readings?
- What are the implications of the results on understanding chemical reactions?