Phase Change Graphs Quiz

What is the melting point of the substance shown in the graph?

• 50°C

• 0°C

• 100°C

• 200°C

Tags

NGSS.MS-PS1-4

What is the boiling point of the substance shown in the graph?

• 100°C

• 50°C

• 0°C

• 200°C

Tags

NGSS.HS-PS3-2

What is the main topic discussed in the provided material?

• Calculating Energy Changes at Phase Changes (Hv and Hf)

• Calculating Atomic Mass

• Balancing Chemical Equations

• Identifying Chemical Elements

Tags

NGSS.HS-PS3-4

What is the formula used to calculate the energy needed to heat a pure substance in a single phase?

• Q = mCΔT

• Q = mVΔT

• Q = mDΔT

• Q = mAΔT

Tags

NGSS.HS-PS3-4

In the formula Q = mCΔT, what does 'C' represent?

• Specific heat capacity

• Current

• Concentration

• Capacitance

Tags

NGSS.HS-PS3-4

What does ΔT represent in the equation Q = mCΔT?

• Change in temperature

• Change in time

• Change in mass

• Change in energy

If a substance cools down, what happens to the energy?

• Energy is released

• Energy is absorbed

• Energy remains the same

• Energy is destroyed

Tags

NGSS.HS-PS3-4

In the equation Q = mCΔT, what are the units of 'Q'?

• Joules

• Grams

• Liters

• Watts

Tags

NGSS.HS-PS3-1

What does the symbol "C" represent in the context of the provided graph?

• Specific heat capacity

• Concentration

• Capacitance

• Conductivity

Tags

NGSS.HS-PS3-4

What is the definition of specific heat capacity as given in the image?

• The amount of heat required to raise the temperature of 1g of pure substance by 1°C

• The amount of heat required to melt 1g of a substance

• The amount of heat required to boil 1g of a substance

• The amount of heat required to freeze 1g of a substance

Tags

NGSS.HS-PS3-4