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Chemistry

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Nikko Gleichner

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2y ago
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Cards in this guide (13)
What is thermodynamics

the study of the movement of energy and heat.

or

Thermodynamics is the branch of physics concerned with the conversion of different energy forms.

•DeltaG (rxn) = DeltaG (pdts) - DeltaDG (rcts) •DeltaG°(rxn) = -R T ln K •

The isotope most likely to be used to study the thyroid gland is

Iodine-131

Molybdenum-99 has half a half-life of 66 hours. after 132 hours how much of an initial sample of 10 ci of mo-99 would remain

2.5

Which of the following is an example of quantization

The fans sitting in the bleachers

Which equation shows how frequency is related to velocity and wavelength

F=v/&

Which of the following statements best describes a weakness of the Bohr model of the atom

it is accurate only for one-electron systems

a+

What is the wavelength of a light of frequency 4.47 X 1014 Hz

The wavelength is 671 nm.

What statement describes the potential energy diagram of an exothermic reaction

The potential energy of the reactants is greater than the potential energy of the products.

What electron could have quantum numbers n 3 l 0 ml 0 ms

A 3s electron

How much energy is released is a sample loses 0.05 kg mass through radioactive decay

4.5 × 1015 J

The absorption spectrum of argon has a line at 515 nm what is the energy of this line

3.86 x 10-19 J

Fossil fuels are running out. Solar and wind technologies are location specific and don't produce enough power to entirely replace fossil fuels. These are reasons to focus on which of the following

nuclear power

What is nuclear fission

the splitting of a nucleus

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