BioPHYSICAL chemistry

CHAPTER 1

1.1

=0.981 Pa

=0.0981 Pa

1.2 Pinitial=Pfinal(Vfinal/Vinitial) =(6 atm)(2 L/4 L) =3 atm

1.3 (a)

(b)

1.4 Temperature (K) =temperature (°C) +273.15°

(a) 0°C =273.15 K

(b)−270°C =3.15 K

(c) +100°C =373.15 K

1.5 The absolute temperature is a measure of the average kinetic energy

of the molecules.

202 6

1 01325

101 325

. 0 0020265

.

,

Pa.

bar

Pa

= bar

202 65

1

101 325

. 0 002

,

Pa.

atm

Pa

= atm

=×981 10. −^2 − 2

kg

ms

P

mg

A

Vg

A

()(.)(.)

== =

ρ 1001981 kg m−−33 2m m s

((. m)001^2

=×981 10. −^1 − 2

kg

ms

P

mg

A

Vg

A

()(.)(.)

(

== =

ρ 101981 kg m−−^33 m m s^2

001 .)m^2

P

F

A

==

Force

Area

Answers to problems

Answers to problems

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