specific heat problems

How many Joules of energy are required to change 10 gram of ice at -2 C to water at 20 C?

• 440 J
• 880 J
• 10,140 J
• 66,000 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

What is the change in temperature when 50,000 Joules of energy is added to 200 grams of water?

• 0.016 C
• 1,500 C
• 59.8 C

• 0.4 C

Tags

NGSS.HS-PS3-4

The specific heat of aluminum is 0.21 J/g°C. How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 50° to 100°?

• 105 J

• 10.5 J

• 1.05 J

Tags

NGSS.HS-PS3-4

A piece of metal with a mass of 32.8 g is heated to 100.5°C and dropped into 138.2 g of water at 20.0°C. The final temperature of the system is 30.2°C. What is the specific heat capacity of the metal?

• 2.56 J/g°C

• 0.391 J/g°C

• 5.29 J/g°C

• 3.50 J/g°C

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

A metal cube with a mass of 55grams at temperature of 85°C is immersed in 150grams of water at temperature of 20°C. The metal and water then reach a final temperature of 23^oC. How much heat does the water gain?

• 1881 J

• 690 J

• 14253 J

• 38874 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

A metal cube with a mass of 55grams at temperature of 85°C is immersed in 150grams of water at temperature of 20°C. The metal and water then reach a final temperature of 23^oC. What is the specific heat of the metal?

• 0.55 J/g^oC

• 2120 J/g^oC

• 11.4 J/g^oC

• 4.18 J/g^oC

• 0.75 J/g^oC

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

If the specific heat of water is 4.18 J/g∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C? (show your work)

• -80,256 J

• 80.256 J

• 80,256 J

• -80.256 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

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.HS-PS3-4

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C.  Calculate the specific heat capacity of iron.    

• 0.46 J/gx^oC
• 1.654 J/gx^oC
• 2,567,446.875 J/gx^oC

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

What is Specific Heat?

• The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
  
• The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
• The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
• The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.