Thermodynamics Chemistry Printable Answers

In an exothermic reaction, heat is ...

• taken in
• given out

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

When iron nails get rusty, heat is released.  What process is this?

• Exothermic
• Endothermic

Tags

NGSS.HS-PS1-4

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Exothermic reactions...

• Absorb energy
• Release energy
• Release Color
• Absorb Color

Tags

NGSS.HS-PS1-4

Alka-seltzer in water is an example of a 

• Endothermic reaction
• Exothermic reaction
• Dissolving a salt
• physical change 

Tags

NGSS.HS-PS1-4

Which direction will the heat flow while this person holds a hot cup of tea?

• from the cup to her hand
• from her hand to the cup
• no heat is transferred

Tags

NGSS.HS-PS3-4

Which direction will the heat flow while this ice cap melts?

• there is no heat transfer
• from the icecap to the water
• from the water to the icecap

Tags

NGSS.HS-PS3-4

NGSS.HS-ESS2-4

Heat transfers from an area of ____temperature to an area of ___ temperature.

• high to low
• low to high
• high to high

Tags

NGSS.HS-PS3-4