Quiz 2

The specific heat of aluminum is 0.21 cal/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 100° to 50°?

• 105 J
• 10.5 J
• 1.05 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

20 g of water. specific heat of water is 4.18 J/x°C.  temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

• 418 Joules
• 209 J
• 83 J
• 4.18 J

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

What subatomic particle is electrically neutral (no charge)?

• Proton
• Ion
• Neutron
• Electron

Tags

NGSS.MS-PS1-1

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

How many electrons are in Sulfur?

• 32

• 16

• 48

• 8

Tags

NGSS.MS-PS1-1

How many neutrons are in Magnesium?

• 36

• 12

• 24

• 6

Tags

NGSS.MS-PS1-1

Which atom will have a +1 charge?

• 3 protons

  4 neutrons

  3 electrons

• 3 protons

  4 neutrons

  4 electrons

• 3 protons

  4 neutrons

  2 electrons

• 3 protons

  3 neutrons

  3 electrons

Tags

NGSS.MS-PS1-1

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

• Mass

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5