Heat Calculation

What is your final answer?

• 0.89 J/g°\degree°C

• 1.12 J/g°\degree°​C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

Which will heat up slower?

• water

• lead

• granite

• iron

Tags

NGSS.HS-PS3-4

What is calorimetry?

• The process of measuring the amount of heat that is absorbed or released in a chemical reaction

• The process of measuring the amount of time it takes for certain reactions to take place

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

What unit is Heat/Energy usually in?

• ^oC

• Joules

• J/g^oC

The negative sign means that energy is released.  Does this mean that it's endothermic or exothermic?

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

What is the change in temperature?

• 90 degrees Celsius

• -90 degrees Celsius

• 9612  J

• 120 g

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A 12.5 g sample of germanium experiences a temperature change of +814.58 K while absorbing 3240 joules of heat. What is the specific heat capacity of germanium?

• 0.216 J/(g·K)

• 0.251 J/(g·K)

• 0.293 J/(g·K)

• 0.318 J/(g·K)

Tags

NGSS.HS-PS3-1

A 341.5 g sample of magnesium experiences a temperature change of -32.13 K. The specific heat capacity of magnesium is 1.02 J/(g·K). How many joules of heat were transferred by the sample?

• -9290 J

• -10100 J

• -11200 J

• -11900 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 828.7 g sample of beryllium experiences a temperature change of -435.71 K. The specific heat capacity of beryllium is 1.82 J/(g·K). How many joules of heat were transferred by the sample?

• -5.98 × 10⁵ J

• -6.57 × 10⁵ J

• -7.29 × 10⁵ J

• -7.75 × 10⁵ J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 11.5 g sample of lead goes through a temperature change of -355 K. The specific heat capacity of lead is 0.129 J/(g·K). How many joules of heat were transferred by the sample?

• -390 J

• -442 J

• -490 J

• -527 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4