Sort each description

Groups:

(a) Endothermic

,

(b) Exothermic

• Enthalpy (H) is (-) negative

• Combustion

• Enthalpy (H) is (+) positive

• Boiling

• Cooling water

• Sublimation

• Absorbs heat

• Heating of water

• Freezing

• Releases heat

• Photosynthesis

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

What happens to the equilibrium if we remove heat?

• It shifts left, towards the reactants

• It shifts right, towards the products

• It does not shift

Tags

NGSS.HS-PS1-4

N_{2 (g)} + 3H_{2 (g)} <--> 2NH_{3 (g)} + heat

If the temperature rises, the reaction will shift...

• left

• right

• no change

In an ENDOthermic reaction, ΔH is ​ (a)   and goes on the ​ (b)   side of a chemical equation because energy is ​ (c)  

• positive
• reactants
• absorbed
• released
• negative
• zero
• conserved
• products

In an ENDOthermic reaction, ΔH is ​ (a)   and goes on the ​ (b)   side of a chemical equation because energy is ​ (c)  

• positive
• reactants
• absorbed
• released
• negative
• zero
• conserved
• products

In an ​ ​ (a)   thermic reaction, energy is released, and ΔH is ​ (b)   and would go on the ​ (c)   side of a chemical equation

• exo
• negative
• products
• positive
• zero
• endo
• conserved
• equal
• iso
• reactants

Tags

NGSS.HS-PS1-4

Match the following scenarios with the correct method of heat transfer.

• Heat traveling through a metal rod when one end is heated

• Conduction

• Heat from the sun warming your face

• Convection

• Warm air rising from a heater and circulating in a room

• Radiation

Tags

NGSS.HS-PS3-4

Match the following gas changes with their corresponding processes.

• Melting

• Solid turning into a gas

• Freezing (or fusion)

• Liquid turning into a gas

• Sublimation

• Solid turning into a liquid

• Condensation

• Liquid turning into a solid

• Vaporization (or boiling)

• Gas turning into a liquid

Tags

NGSS.MS-PS1-4

Match the letter in the picture with the word

• vaporizing/

  condensing

• E

• all liquid

• D

• melting/

  freezing

• C

• all solid

• B

• all gas

• A

Tags

NGSS.MS-PS1-4

Match the following

• C

• Solid

• B

• Freezing or Melting

• E

• Condensing or Boiling

• A

• Liquid

• D

• Gas

Tags

NGSS.HS-PS3-4