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Which type of reaction is represented by this equation?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
Which diagram represents the most likely orientation of X2 and Z2 when the molecules collide with proper energy, producing an activated complex?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
Compared to a 1.0-liter aqueous solution with a pH of 7.0, a 1.0-liter aqueous solution with a pH of 5.0 contains
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
Which half-reaction equation represents the oxidation in the reaction?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
A sample of a gas in a rigid cylinder with a movable piston has a volume of 11.2 liters at STP. What is the volume of this gas at 202.6 kPa and 300. K?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
Which metal reacts spontaneously with NiCl2(aq)?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
Which solution is the best conductor of an electric current?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
What is the amount of heat, in joules, required to increase the temperature of a 49.5-gram sample of water from 22°C to 66°C?
0.1 mole of NaCl dissolved in 1000. mL of water
Cd → Cd^2+ + 2e-
9.1 × 10^3 J
100 times more hydronium ions
Zn(s)
6.15 L
transmutation
2
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