Physical Science 7.4&7.5
Presentation
•
Science
•
9th - 10th Grade
•
Easy
Standards-aligned
Matthew Koch
Used 1+ times
FREE Resource
33 Slides • 4 Questions
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Multiple Choice
Which of the following changes will decrease the rate of a chemical reaction?
increasing the temperature
grinding a reactant into a fine powder
stirring the reaction mixture
decreasing the concentration of one of the reactants
35
Multiple Choice
A reaction rate is the rate at which reactants change into products over time
true
false
36
Multiple Choice
In a chemical reaction that is at equilibrium, which of the following is true?
All of the reactants have been converted to products
The reaction stops even though some reactants remain
Forward and reverse reactions occur at the same rate
All of the products are gases
37
Multiple Choice
In the chemical reaction below, how could you shift the equilibrium toward water?
2H2 (g) + O2 (g) <--> 2H2O (g) + heat
increase the temperature
increase the pressure
decrease the amount of oxygen
add steam to the mixture
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