Question

The standard hydrogen electrode:

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is often used as a control in the laboratory.

is a simple, safe, and easy-to-create electrode.

involves the evolution of hydrogen gas, making it impractical for laboratory use

none of the above

When considering the relationship among standard free energy change, equilibrium constants, and standard cell potential, the equation ΔG∘=−RTlnK is _______.

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used to find the standard cell potential given the standard free energy change

used to find the standard cell potential given the equilibrium constant

used to find the equilibrium constant given the standard cell potential

used to find the equilibrium constant given the standard free energy change

The mass-energy equivalence equation, when applied to real, observable processes, describes the conversion between:

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small amounts of energy and large amounts of mass

small amounts of mass and large amounts of energy

small amounts of energy and small amounts of mass

large amounts of energy and large amounts of mass

What type of particle is emitted when U92238 decays to Th90234?

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α particle

β particle

γ particle

positron

When the neutrons produced in the fission of U-236 bombard U-235 to generate more U-236 and perpetuate fission, this is called a:

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decay series

chain reaction

sequential fission

none of the above

Sometimes a nuclide is referenced by the name of the element followed by the:

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atomic number

mass number

electrical charge

none of the above

γ emission is most likely to occur if a nucleus:

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is too large

has a neutron to proton ratio that is too large

has a neutron to proton ratio that is too small

is excited

Answer 1