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Which equation represents a nuclear fusion reaction?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
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?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
Which graph represents the relationship between pressure and volume for an ideal gas at constant temperature?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
Which equation represents a redox reaction?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
Which equation represents a physical change?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
What is the temperature, in degrees Celsius, of a sample of matter at 35 K?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
Which type of cell is represented by the diagram and what change occurs?
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
Compared to a 0.10 M aqueous NaNO3 solution at 1 atmosphere, a 1.0 M aqueous NaNO3 solution at 1 atmosphere has a
4
-238°C
electrolytic cell; electrical energy produces a chemical change
lower freezing point and a higher boiling point
I2(s) → I2(g)
increased by a factor of 100
3
3
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