Stars
... to do with planets). Further collapse is prevented not by the temperature of the star, but by the pressure caused by electrons. According to the Pauli exclusion principle, it is impossible for 2 electrons to occupy the same state; thus, there is a limit to how tightly electrons can be packed. Electr ...
... to do with planets). Further collapse is prevented not by the temperature of the star, but by the pressure caused by electrons. According to the Pauli exclusion principle, it is impossible for 2 electrons to occupy the same state; thus, there is a limit to how tightly electrons can be packed. Electr ...
Kinetic Molecular Theory
... Molecules DO CHANGE They either build up or break down. A color change is usually a good indicator of a chemical change New substances are formed. ...
... Molecules DO CHANGE They either build up or break down. A color change is usually a good indicator of a chemical change New substances are formed. ...
Unit 9 Review
... Mathematically, this means that their _______________ is a constant. 12. The _______________ Gas Law permits calculation of any one term when temperature, pressure, and volume change for a gas. 13. If A and B are directly proportional and the value of A becomes 1/3 as much, what happens to the value ...
... Mathematically, this means that their _______________ is a constant. 12. The _______________ Gas Law permits calculation of any one term when temperature, pressure, and volume change for a gas. 13. If A and B are directly proportional and the value of A becomes 1/3 as much, what happens to the value ...
What is a Star? - Yale Astronomy
... particles pushed toward one another, “collide” more rapidly with one another, & rebound due to electrostatic repulsion, thus resisting compression. ...
... particles pushed toward one another, “collide” more rapidly with one another, & rebound due to electrostatic repulsion, thus resisting compression. ...
Introduction to Chemistry
... Matter is either a pure substance or mixture Pure substances have a definite composition, has the same response to physical changes Mixtures are a physical combination of two or more kinds of matter ...
... Matter is either a pure substance or mixture Pure substances have a definite composition, has the same response to physical changes Mixtures are a physical combination of two or more kinds of matter ...
Santee Education Complex Chemistry Mini Assessment 4
... 12) A given mass of gas in a rigid container is heated from 100 °C to 500 °C. Which best describes the pressure of the gas? a. The pressure will decrease by a factor of five. b. The pressure will increase by a factor of five. c. The pressure will increase by a factor of about two. d. The pressure wi ...
... 12) A given mass of gas in a rigid container is heated from 100 °C to 500 °C. Which best describes the pressure of the gas? a. The pressure will decrease by a factor of five. b. The pressure will increase by a factor of five. c. The pressure will increase by a factor of about two. d. The pressure wi ...
STATES OF MATTER
... ionized gas. A plasma is a very good conductor of electricity and is affected by magnetic fields. Plasmas, like gases • Plasma is the have an indefinite common state shape and an of matter indefinite volume. ...
... ionized gas. A plasma is a very good conductor of electricity and is affected by magnetic fields. Plasmas, like gases • Plasma is the have an indefinite common state shape and an of matter indefinite volume. ...
Gravity Defied From Potato Asteroids to Magnetised Neutron Stars
... M Ja ∝ ρ 2 (γ− 3 ) , where γ is the adiabatic index of the gas. It can be immediately seen that M J increases with increasing density for γ > 4/3, and decreases with increasing density for γ < 4/3. In summary, then the path taken by a giant molecular cloud to star formation is as follows: • Giant mo ...
... M Ja ∝ ρ 2 (γ− 3 ) , where γ is the adiabatic index of the gas. It can be immediately seen that M J increases with increasing density for γ > 4/3, and decreases with increasing density for γ < 4/3. In summary, then the path taken by a giant molecular cloud to star formation is as follows: • Giant mo ...
The Four States of Matter
... which includes Heat goes into the gas boiling and liquid as it vaporizes. ...
... which includes Heat goes into the gas boiling and liquid as it vaporizes. ...
Welcome to… Who Wants to be a Millionaire???
... Changing direction is an example of a kind of A. B. C. D. ...
... Changing direction is an example of a kind of A. B. C. D. ...
Solution
... 10. A white dwarf is the core of a dead medium sized star like the Sun. When a star like the Sun dies, it passes through several phases ending sometimes as a Red Giant. When the forces of gravity cannot hold onto the solar atmosphere, the atmosphere dissipates into space and what is left is a white ...
... 10. A white dwarf is the core of a dead medium sized star like the Sun. When a star like the Sun dies, it passes through several phases ending sometimes as a Red Giant. When the forces of gravity cannot hold onto the solar atmosphere, the atmosphere dissipates into space and what is left is a white ...
Activity 1 - Mathematical and Scientific Methods
... Have 11 scored participation activities. Lowest 4 scores to be dropped. Math review counts as 2. 50 pts 10 quizzes; one with lowest score will be dropped. ...
... Have 11 scored participation activities. Lowest 4 scores to be dropped. Math review counts as 2. 50 pts 10 quizzes; one with lowest score will be dropped. ...
o Positive charge • Electrons
... Atomic mass (u) = average mass of atoms of isotopes as the occur naturally To calculate: o Divide percentages by 100 to find natural abundances o Atomic mass = (abundance 1 x mass 1) + (abundance 2 x mass 2) ...
... Atomic mass (u) = average mass of atoms of isotopes as the occur naturally To calculate: o Divide percentages by 100 to find natural abundances o Atomic mass = (abundance 1 x mass 1) + (abundance 2 x mass 2) ...
Stellar Evolution
... How does mass affect what happens? How do stars die? Where does gold come from? ...
... How does mass affect what happens? How do stars die? Where does gold come from? ...
solutions 3
... chemical potential gradient. Because of the chemical potential gradient, we are Going to have a net particle flow with this particular non-equilibrium distribution. That's what a chemical potential does: It sets the change in energy due to adding a particle. If, during the random thermal jiggling, a ...
... chemical potential gradient. Because of the chemical potential gradient, we are Going to have a net particle flow with this particular non-equilibrium distribution. That's what a chemical potential does: It sets the change in energy due to adding a particle. If, during the random thermal jiggling, a ...
5 Elements of nuclear physics 5.1 Strong interaction and structure of atomic nuclei
... where Eth = 23 (ρ/µmp )kT · 4πr2 dr; Ep = ρGM (r) · 4πrdr. Note that in this specific case, the virial theorem could be obtained by multiplying eq. (6.1) by 4πr3 and integrating the lhs by parts. It follows immediately from eq. (6.5) that the total energy of the star is negative, as it should be for ...
... where Eth = 23 (ρ/µmp )kT · 4πr2 dr; Ep = ρGM (r) · 4πrdr. Note that in this specific case, the virial theorem could be obtained by multiplying eq. (6.1) by 4πr3 and integrating the lhs by parts. It follows immediately from eq. (6.5) that the total energy of the star is negative, as it should be for ...
"The breakdown of atoms at high pressures", Physical Review
... ference is evident. Under atmospheric conditions the volumes are so large that the electron must be removed to a great distance against the electrostatic forces of the core during decomposition. There is a compensating effect arising from setting free the kinetic energy of the electrons in the quant ...
... ference is evident. Under atmospheric conditions the volumes are so large that the electron must be removed to a great distance against the electrostatic forces of the core during decomposition. There is a compensating effect arising from setting free the kinetic energy of the electrons in the quant ...
1) The following questions refer to the HR diagram
... C) As gravity overwhelms the electron degeneracy pressure, it will become a neutron star. D) As gravity overwhelms the electron degeneracy pressure, it will explode as a nova. E) It will cool down and become a cold black dwarf. 21) White dwarfs are so called because A) it amplifies the contrast with ...
... C) As gravity overwhelms the electron degeneracy pressure, it will become a neutron star. D) As gravity overwhelms the electron degeneracy pressure, it will explode as a nova. E) It will cool down and become a cold black dwarf. 21) White dwarfs are so called because A) it amplifies the contrast with ...
Stellar Evolution
... • Will it finally become hot enough in core for Carbon to fuse? • For the Sun: No. • Gravity keeps contracting the core: 1000 kg/cm3! • What stops it? • Electron degeneracy pressure! ...
... • Will it finally become hot enough in core for Carbon to fuse? • For the Sun: No. • Gravity keeps contracting the core: 1000 kg/cm3! • What stops it? • Electron degeneracy pressure! ...
The Death of High Mass Stars
... quickly and violently every few weeks to every couple of years. ...
... quickly and violently every few weeks to every couple of years. ...
States of Matter Powerpoint
... Heat leaves the gas Gas to liquid Condensation as it condenses. Heat goes into the Solid to gas Sublimation solid as it sublimates. ...
... Heat leaves the gas Gas to liquid Condensation as it condenses. Heat goes into the Solid to gas Sublimation solid as it sublimates. ...
Chemistry 2: matter is made up of atoms
... • Atomic number is the number of protons in the nucleus of an element • Mass number is the sum of protons and neutrons in the nucleus. It is the average of all isotopes of an element • Isotopes are different forms of an element having the same number of protons but different number of neutrons, henc ...
... • Atomic number is the number of protons in the nucleus of an element • Mass number is the sum of protons and neutrons in the nucleus. It is the average of all isotopes of an element • Isotopes are different forms of an element having the same number of protons but different number of neutrons, henc ...