Therm

A sample of iron receives 50.J of heat energy that raises the temperature of the iron 25.0°C. If iron has a specific heat of .10 J/g°C, what is the mass of the iron sample?

• 25g
• 30g
• 20g
• 50g

A liquid with a specific hear of 1.9 J/gC has 4750 J of energy added to it. The temperature changed from 20 degrees C to 30 degrees C, what is the mass of the liquid?

• 250 cal
• 2500cal
• 250 g
• 2500 cal

Tags

NGSS.HS-PS3-1

When 1500J of energy is lost from a 120 gram object, the temperature decreased from 45 degrees C to 40 degrees C. What is the specific heat of the object?

• 2.5 J/gC
• 1.5 J
• 12.5 Cal/gC
• 15 J/gC1 

Tags

NGSS.HS-PS3-2

A 500g piece of Aluminum has a temperature of 7 degrees. What is the heat energy produced?  Specific heat of Aluminum is .900 J/gC.

• 3000 J
• 3000 g
• 3150 J
• 3150 g

Tags

NGSS.HS-PS3-1

What letter represents boiling?

• B
• C
• D
• E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What letter represents a liquid being heated?

• A
• B
• C
• D

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

1.A sample of iron receives 50.J of heat energy that raises the temperature of the iron 25.0°C. If iron has a specific heat of .10 J/g°C, what is the mass of the iron sample?

• 25g
• 30g
• 20g
• 50g

What type of reaction is shown in the picture?

• endothermic
• exothermic
• potential energy
• kinetic energy

Tags

NGSS.HS-PS1-4

What is the specific heat capacity of silver metal if 55 grams of the metal absorbs 47.3 joules of heat and the temperature rises 15 degrees Celcius?

• 0.033 J/gC
• 0.057 J/gC
• 39000 J/gC
• .0455 J/gC

Calculate the heat needed to raise 31.0 g of water from 5.00 Celsius to 95.0 Celsius.

• The specific heat of water is 4.18 J/g C

• The specific heat of ice is 2.10 J/g C

• The Heat of Fusion of water is 334 J/g

• The Heat of Vaporization of water is 2260 J/g

• The specific heat of steam is 1.7 J/g C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4