Year 9 Science: Rates of Reaction

Front

What does the rate of reaction measure?

Back

The rate of reaction measures how quickly a chemical reaction occurs, observed through changes such as the production of products or consumption of reactants.

Front

What is produced in the reaction between magnesium ribbon and dilute sulfuric acid?

Back

Hydrogen gas bubbles are produced, indicating a reaction is taking place.

Front

How can the rate of reaction be quantified?

Back

By measuring how much product is formed or how much reactant is used up in a given time period.

Front

What is the easiest way to determine the rate of reaction in the magnesium-sulfuric acid reaction?

Back

Measuring the volume of hydrogen gas produced over time.

Front

What happens to the bubble production in the magnesium-sulfuric acid reaction as it progresses?

Back

Bubble production slows and eventually stops as the reaction progresses.

Front

How can hydrogen gas be collected during the magnesium-sulfuric acid reaction?

Back

Using a syringe attached to a flask to collect hydrogen gas.

Front

What does a graph of reaction data show?

Back

It plots product formed or reactant consumed against time to analyze and measure the rate of reaction.

Front

What does a steeper slope on a reaction graph indicate?

Back

A faster reaction rate.

Front

What happens when the graph levels out in a reaction?

Back

It indicates that no more product is produced, signaling the reaction’s completion.

Front

How can the average rate of reaction be calculated using a graph?

Back

By identifying the volume of product produced over a specific time interval.