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Which combination of reactants would result in the fastest reaction rate?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
Which graph represents the relationship between pressure and volume for an ideal gas at constant temperature?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
Which equation represents a nuclear fusion reaction?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
What is the temperature, in degrees Celsius, of a sample of matter at 35 K?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
Which equation represents a reduction half-reaction?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
The pH value of a solution is changed from 6.0 to 4.0. Which phrase describes the change in the hydronium ion concentration of the solution?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
Which type of cell is represented by the diagram and what change occurs?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
Which equation represents a redox reaction?
-238°C
3
4
increased by a factor of 100
1.0 g of powdered zinc with 10 mL of 2.0 M HCl(aq)
electrolytic cell; electrical energy produces a chemical change
4
3
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