Thermodynamics and spontaneous change Flashcards

1
Q

an determine heat of reaction using :

> information from //// ////

> heats of /////// values .

> using ///// /////// energies

A

realted reactions
formation
bond dissociation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

hess law… when a reaction /// in several staes, the /// enthalpy change must equal the ///// of the enthaply change in the individual /////

A

occurs, overall, sum, stages.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

check if //// reactants and //// are on the /// side of the //// and check if number of moles are correct.

A

target, products, right, equation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the bond //// enthalpy is the enthalp change per /// when a //// chemical //// is boken under standrad //// in the gaseous ////

A

disocitaion, mole, particular, bond, conditions, phase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

breaking bonds is always //////

A

endothermic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

when the //// pressure is greater than the /// pressure, then the surrounding will do work on the ///
and vice versa

A

external, internal, system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

work done in terms of external pressure and volume change

A

-p x change in v

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

internal energy

A

potential energy + kinetic energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

external KE is due to ///// motion of an /////

A

overall, object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

internal KE is due to ////// //// of particles /////an object

A

random, motion, within

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Thermochemistry ////// the heat flow into or out of a /////.
deduces the energy stored in ////// /////.

A

investigates, reaction, chemical bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A /////// ////////// measures heat change at constant volume

Precise measurements: Take into ///// ///// ///// of entire calorimeter

constructed so that no ///// if lost to ///////

A

bomb, calorimeter

account heat capacity

heat, surroundings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly