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Chemistry

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Dennis O'Hara

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Cards in this guide (10)
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 •

What is the mass defect

If you add the exact mass of the protons, neutrons, and electrons in an atom you do not get the exact atomic mass of the isotope. The diference is called the mass defect. The difference between the mass of the atomic nucleus and the sum of the masses of the particles within the nucleus is known as the mass defect.

What is important in order for a radioisotope to provide accurate dating results

The half-life should be similar to the age of the object.

Which of the following is an example of nuclear fission

A large radioactive atom breaks into smaller atoms, producing nuclear energy.

Which of the following is an example of quantization

The fans sitting in the bleachers

What does binding energy measure

The energy used to hold the nucleus together

What best describes a radioisotope

its nucleus is unstable

What is the energy of an electromagnetic wave with a frequency of 8x1012 Hz

5.3x10^-21

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

4.5 × 1015 J

What does a wave do

It moves energy through space.

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