MCT

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?

• Copper

• Carbon Steel

• Zinc

• Stainless Steel

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the symbol for Specific Heat

• Q

• t

• m

• C

Water has a specific heat of 4184 J/KgºC.  Wood has a specific heat of 1760 J/KgºC.  What material needs more energy to raise the temperature 1ºC

• Wood

• Water

• Both are the same

Tags

NGSS.MS-PS3-4

How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]

• 6.45 J/(g•°C)

• 6.45 J

• 16.1 J/(g•°C)

• d.16.1 J

Tags

NGSS.HS-PS3-4

What would be the effect on the particles if more heat is supplied to the system?

• They would slow down

• They would stop moving

• They would speed up

• There would be no effect

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-2

The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams?

• 12.82 °C

• 24.12°C

• 351 °C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

There are four cups of hot cocoa. The cup sizes are shown. The temperature of the cocoa in each cup is 25 degrees celsius. Which cup has the MOST thermal energy?

• Large cup (Trenta)

• Small cup (Tall)

• Venti

• All three are the same temperature so they have same thermal energy

Tags

NGSS.HS-PS3-4

What is the symbol for Molar Heat Capacity?

• A) M

• B) C_m

• C) H

• D) Q

Which of the following materials has the highest molar heat capacity?

• A) Water

• B) Iron

• C) Copper

• D) Aluminum

If a substance has a molar heat capacity of 25 J/mol·K, how much energy is required to raise the temperature of 2 moles by 10 K?

• A) 250 J

• B) 500 J

• C) 750 J

• D) 1000 J

Tags

NGSS.HS-PS3-1