4Q: behavior of gases

Question 1

___ have lower densities that liquids and solids.

Answer 1

gases

Question 2

in the 19th century, physicists ____ and ____ explained the physical properties of matter.
they found out that we can understand the behavior of gases in terms of the motion of individual molecules.

Answer 2

Ludwig Boltzmann, James Clerk Maxwell

Question 3

what is energy in motion?

Answer 3

kinetic energy

Question 4

kinetic energy is measured in what?

Answer 4

joules

Question 5

1 J=_______________

Answer 5

1 J = 1kg m²/s² = 1 N•m

Question 6

the findings of maxwell od boltzmann led to different generalizations about the behavior of gases, which became known as?

Answer 6

kinetic molecular theory of gas

Question 7

was an Austrian physicist notable for his contribution in theoretical physics. He suffered from severe depression and poor health, leading to him commiting suicide in what year?

Answer 7

Ludwig Boltzmann, 1906

Question 8

KMT was extablished with the following assumptions:

Answer 8

1. The molecules of gases are far apart from one another.
2. The molecules of a gas are always in constant random motion.
3. The particles of am ideal gas exert no attractice forces on one another on their surroundings
4. The average kinetic energy of gas molecules depends on the absolute temperature of the gas.

Question 9

is defined as the force divided by the tkgal surface area.

Answer 9

Pressure

Question 10

what is the meaning of atm?

Answer 10

atmospheric pressure

Question 11

what is the meaning of mmHg?

Answer 11

millimeter of mercury

Question 12

what is the meaning of kPa?

Answer 12

kilopascal

Question 13

what are the four measurements of pressure?

Answer 13

• kilopascal
• torr
• millimeter of mercury
• atmospheric pressure

Question 14

it is the space occupied by matter

Answer 14

volume

Question 15

common units in measuring volume:

Answer 15

• liter
• mililiter
• cubic centimeter (cm³)
• cubic meter (m³)

Question 16

is the measurement of how hot or cold a thing is.

Answer 16

temperature

Question 17

measurements of temperature:

Answer 17

• degrees celsius
• degrees farenheit
• degrees farenheit
• kelvin

Question 18

the amount of substance is measured in what?

Answer 18

moles

Question 19

four descriptors of physical quantities of gases:

Answer 19

• pressure
• volume
• temperature
• amount of substance

Question 20

who is the irish physician who invented the needle in 1844 and made the firts record kf successful subcutaneous injections in history?

Answer 20

Francis Rynd

Question 21

what is the meaning of subcutaneous?

Answer 21

under the skin

Question 22

who developed the needle?

Answer 22

Alexander Wood and Charles Pravaz

Question 23

Who fiest introduced the use of morphine for treating nerve conditions?

Answer 23

Alexander Wood

Question 24

who investigated the relationship between the pressure and volume of a gas?

Answer 24

Robert Boyle

Question 25

states that the pressure of a gas at a constant amount and tempreature is inversely proportional to its volume

Answer 25

boyle’s law