Heat Stoichiometry

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

The reaction:

A + B → C

ΔH = + 25 kJ

is a(n):

• Exothermic Reaction

• Endothermic Reaction

• Neutralization Reaction

• Spontaneous Reaction

Tags

NGSS.HS-PS1-4

How much heat is absorbed if
4.0 mole A reacts?
A + 2B + 22.0 kJ → 3C  

• 22.0 kJ

• 44.0 kJ

• 66.0 kJ

• 88.0 kJ

Tags

NGSS.HS-PS3-1

The Equation for this reaction is:

• C + O₂ + 393 kJ→ CO₂

• C + O₂ → CO₂ + 393 kJ

• C + O₂ + 393 kJ→ CO

• C + O₂  + 110 kJ → CO

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

• 22 g

• 44 g

• 88 g

• 32 g

Tags

NGSS.HS-PS1-7

What is the volume of carbon dioxide produced at SLC when 2 moles of methane are combusted?

• 22.4 L

• 44.8 L

• 67.2 L

• 89.6 L

• 445 kJ

• 890 kJ

• 1780 kJ

• 3560 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Which of the following reactions is an example of an exothermic process?

• A) Melting of ice

• B) Combustion of gasoline

• C) Evaporation of water

• D) Photosynthesis

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

In a chemical reaction, if the enthalpy change (ΔH) is negative, what does it indicate about the reaction?

• A) The reaction is endothermic

• B) The reaction is exothermic

• C) The reaction is at equilibrium

• D) The reaction is non-spontaneous

Tags

NGSS.HS-PS1-4