Things to remember (Chap 5)

Question 1

What instrument is used to measure atmospheric pressure? What is the liquid used in it?

Answer 1

Barometer and it uses Mercury (Hg)

Question 2

Change of pressure with elevation (what happens when elevation increases/decreases)

Answer 2

As Elevation increases the atm decreases

Question 3

Boyle’s law (statement)

Answer 3

Volume ↓ as pressure ↑ ((T and n constant) (P is proportional to (1/v))

Question 4

Charles’s law (statement)

Answer 4

the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature (V/T are constant)

Question 5

Avogadro’s law (statement)

Answer 5

Volume is directly proportional to
the number of moles of gas. (V proportional to n (T and P are constant) (V/n)

Question 5

Dalton’s law of partial pressures

Answer 5

the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases: P(total)= P1+P2….

Question 6

Amonton’s Law

Answer 6

P is proportional to T (P1/T1/P2/T2)

Question 6

Effusion

Answer 6

The process by which a gas escapes from a container through a tiny hole into a region of lower pressure

Question 7

Diffusion

Answer 7

The spread of one substance through another

Question 8

Conditions for ideal gases

Answer 8

(PV/T are constant), (no connection with gas molecules), (no volume)

Question 9

Conditions for Real Gases

Answer 9

(PV/T are not constant), (connection with gas so low atm means low (PV/RT)), ( has volume), (has corrected volume and pressure)

Question 10

STP

Answer 10

Standard temperature and pressure

Question 11

1.00 atm = (mmHg/torr)

Answer 11

760 mmHg = 760 torr