Test 2 Flashcards
1
Q
pressure formula
A
force/area
2
Q
combined gas law
A
p1v1/t1
3
Q
manometer
A
measures the pressure of an enclosed gas sample
4
Q
barometer
A
device used to measure atmospheric pressure
5
Q
mmHg= (torr)
A
1 torr
6
Q
avg atmospheric pressure at sea level 0C
A
760 mmHg
7
Q
1 atm=(mmHg)
A
760 mmHg
8
Q
1 atm=(kPa)
A
101.325
9
Q
1 in=(cm)
A
2.54cm
10
Q
1 km= (mi)
A
0.62137 mi
11
Q
1 mi= (ft)
A
5280 ft
12
Q
1kg= (lb)
A
2.2046 lb
13
Q
1 lb=(g)
A
453.59 g
14
Q
1L=(qt)
A
1.0567 qt
15
Q
1 gal= (L)
A
3.7854 L
16
Q
1 atm= (psi)
A
14.70 psi
17
Q
pressure increase caused by
A
increase in collision # of molecules
18
Q
pressure depends on
A
volume, temp, # of molecules
19
Q
force is in what unit
A
Newtons
20
Q
volume and pressure vary
A
inversely (boyles law)
21
Q
gases _____ when heated
A
expand
22
Q
expand by ____ of the original volume for each C
A
1/273
23
Q
absolute zero
A
-273.15 C
24
Q
volume and temperature vary
A
directly (charles law)
25
pressure and temperature vary
directly (gay-lussacs law)
26
boyle led chemists to what law
gas law, PV=nRT
27
boyle showed what relationship between air pressure and volume
P oc 1/v
28
intermolecular space smallest and largest for what
smallest for solid, largest for gas
29
boyle and hooke verified what
air exerted pressure and had weight, was elastic
30
1 cm3= (mL)
1 mL
31
1dm3= (L)
1 L
32
1m3= (L)
1000L
