2nd Six Weeks Test

Energy is:

• The ability to do work

• The amount of power

• Movement

• Causing things to happen

What is the law that states "Energy is neither created or destroyed, it is simply transferred between objects or transformed into other forms of energy."

What is the equation to measure change in Thermal Energy?

• Q=mc∆t
• Q=mc
• Q= ∆mct
• m=QC

20 g of water. specific heat of water is 4.18 J/g°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

 

In an exothermic reaction, energy is ________the surroundings.

 

In an endothermic reaction, energy is ________.

What is the name of this Compound? NaCl

• Sodium Chloride

• Sodium(II) Chloride

• Sodium(I) Chloride

• Nitrogen Chloride

What is the correct formula for the following compound? Sulfur Hexafluoride

• SF₆

• SF₄

• SF₇

• S₆F

What is the correct formula for the Compound Tin (IV) Nitrate?

• Sn(NO₃)₄

• Ti(NO₃)₄

• Sn₄NO₃

• Sn(NO₂)₄

Two Question

Name the following compound:

BeO