heat, curves and orgo ss

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which segment is the kinetic energy remaining constant?

• A-B
• B-C
• C-D
• E-F

Tags

NGSS.MS-PS3-1

What state(s) of matter are present at D-E?

• Solid-liquid
• Liquid
• Liquid-gas
• Gas-Solid

Tags

NGSS.MS-PS1-4

A substance's heating curve is shown in the graph.  What is its boiling point?

• 100 C
• 60 C
• 80 C
• 20 C

Tags

NGSS.MS-PS1-4

A quantity of water is heated from 25.0 °C to 36.4°C by absorbing 325 J of heat energy. What is the mass of the water?

• 3.4g

• 6.8g

• 13.6g

• 27.2g

Calculate the heat gained by 125.0 g of water when it is put into a calorimeter and its temperature is increased by 90.00°C. The specific heat of water is 0.4184 J/(g°C).

• 2.7 x10⁴ J
• 3.7 x10⁴ J
• 4.7 x10⁴ J 
• 5.7 x10⁴ J

How much heat is required to melt 49 g of ice?1

• 16366 j
• 127400j

How much heat is required to boil 33 g of water?

• 74580j
• 11022j