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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
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
Which metal reacts spontaneously with NiCl2(aq)?
0.1 mole of NaCl dissolved in 1000. mL of water
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
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
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
What is the chemical name for the compound CH3CH2CH2CH3?
0.1 mole of NaCl dissolved in 1000. mL of water
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
Which solution is the best conductor of an electric current?
0.1 mole of NaCl dissolved in 1000. mL of water
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
In a laboratory activity, the density of a sample of vanadium is determined to be 6.9 g/cm3 at room temperature. What is the percent error for the determined value?
0.1 mole of NaCl dissolved in 1000. mL of water
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
Which type of reaction is represented by this equation?
0.1 mole of NaCl dissolved in 1000. mL of water
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
Which half-reaction equation represents the oxidation in the reaction?
0.1 mole of NaCl dissolved in 1000. mL of water
15%
Cd → Cd^2+ + 2e-
butane
9.1 × 10^3 J
2
transmutation
Zn(s)
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