C6 - REQUIRED PRACTICAL VOLUME OF A GAS

• When reacting magnesium with hydrochloric acid to measure the rate of reaction, magnesium chloride is the salt produced - which gas is produced?

  Hydrogen
• When reacting magnesium with hydrochloric acid to measure the rate of reaction, what is the dependent variable?

  Volume of hydrogen
• When reacting magnesium with hydrochloric acid to measure the rate of reaction, what is the independent variable?

  Concentration of hydrochloric acid
• Which piece of apparatus contains the reacting substances?

  Conical flask
• Which piece of apparatus stops the gas from escaping from a conical flask?

  Bung
•  When reacting magnesium with hydrochloric acid to measure the rate of reaction, what is used to collect the gas?

  Inverted measuring cylinder
• When reacting magnesium with hydrochloric acid to measure the rate of reaction, what can be used to collect the gas more accurately?

  Gas syringe
• On a rate of reaction graph, the higher the concentration, on a graph the slope flattens/levels off _____ compared to lower concentrations of acid

  Faster
• A higher concentration creates a _______ gradient, meaning it has a faster rate.

  Steeper