Thermochemistry

Select the spot where the molecules would be the furthest apart and have the highest energy

Tags

NGSS.HS-PS1-3

Select the spot where the molecules would be the closest together and have the lowest energy

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-3

NGSS.HS-PS1-2

Select the spot boiling point for ammonia

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-5

Select the spot melting point for ammonia

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

Select the area(s) where you would use q = mcΔT

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-5

Select the area(s) where you would use dimensional analysis

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

NGSS.HS-PS3-1

NGSS.HS-PS2-1

Reorder the following: What is the order for testing a calorimetry experiment?

• Take the final temperature of the mixture

• Add the metal/compound to the water

• Pour a measured amount of water into a beaker

• Stir the mixture

• Take the initial temperature of the water

Tags

NGSS.HS-PS3-4

Match the following

• Energy that is stored in chemical bonds/composition

• Exothermic

• Chemical reaction where energy is released

• Endothermic

• Chemical reaction where energy is absorbed

• Chemical Energy

• Energy required to change 1 gram of a substance by 1 degree celcius

• Specific Heat

• Energy moving from higher temperature to lower

• Heat

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-4

NGSS.HS-PS3-1

During a chemical reaction in a closed system, all energy is conserved:

• True

• False

Tags

NGSS.HS-PS3-4

NGSS.HS-PS1-4

Label the following graph

c

f

b

a

ΔH = +80

Reactants

ΔH = -80

Products

Endothermic

Exothermic

Tags

NGSS.HS-PS1-4