Created from Youtube video: https://www.youtube.com/watch?v=SPXanyy3-hUvideoConcepts covered:reaction rates, chemical reactions, measurement methods, graph representation, average vs instantaneous rates
The video explains the concept of reaction rates in chemistry, illustrating how the speed of converting reactants to products can vary significantly, from slow processes like rusting to rapid ones like explosions. It details methods to measure reaction rates using equations based on the quantity of reactants used or products formed over time, and demonstrates how to represent these rates on graphs, emphasizing the difference between average and instantaneous rates.
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GCSE Chemistry - Rates of Reaction #46
Concepts covered:reaction rates, chemical reactions, measurement methods, graph representation, average vs instantaneous rates
The video explains the concept of reaction rates in chemistry, illustrating how the speed of converting reactants to products can vary significantly, from slow processes like rusting to rapid ones like explosions. It details methods to measure reaction rates using equations based on the quantity of reactants used or products formed over time, and demonstrates how to represent these rates on graphs, emphasizing the difference between average and instantaneous rates.
Question 1
The rate of reaction can vary significantly.
Question 2
What unit measures reaction rate in moles?
Question 3
A graph of reaction rate has time on the _____-axis.
Question 4
CASE STUDY: A chemical engineer is tasked with optimizing the production of hydrogen gas from a reaction between magnesium and hydrochloric acid. The engineer needs to determine the rate of reaction to ensure maximum efficiency in the production process.
All are correct methods to measure rate except...
Question 5
CASE STUDY: An industrial chemist is evaluating the efficiency of a chemical process that involves the rapid conversion of reactants to products. The chemist needs to ensure the process is both fast and cost-effective.
Select three correct ways to ensure efficiency.
Question 6
Average rate of reaction is constant throughout the reaction.
Question 7
How is reaction rate measured graphically?
Question 8
To find the rate, divide quantity by _____ taken.
Question 9
CASE STUDY: A student is conducting an experiment to measure the rate of reaction between zinc and sulfuric acid. They need to plot a graph to visualize the reaction rate over time.
All are correct graph plotting methods except...
Question 10
Rate of reaction is measured in grams or cm³ per second.
Question 11
What affects the rate of chemical reactions?
Question 12
The rate of reaction is measured in _____ per second.
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