Semester 2 Survey CRT

What does temperature measure?

• The space the substance occupies

• The average kinetic energy of molecules

• The number of collisions a substance has with its container

• None of the options are correct

What is the correct formula for Sodium Chloride?

• SCl

• NaCl

• S3Cl

• Na2Cl

Compared to pure water, a solution of salt and water:

• is less dense

• is a poor conductor of electricity

• has a lower boiling point

• has a lower freezing point

Metals tend to _____ electrons to form ______ions.

• lose, positive

• lose, negative

• gain , positive

• gain, negative

Choose the type of reaction represented by the following equations: 2CO + O2 2CO2

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

In which container is the pressure the lowest?

• Flask 1

• Flask 2

• Flask 3

• Flask 4

Molarity is expressed as:

• Moles of solvent/Liters of solution

• Liters of solvent/Moles of solute

• Moles of solute/Moles of solution

• Moles of solute/Liters of solution

If an atom gain electrons, which statement is true?

• Positive because I've added to my atom

• same because I'm balanced

• negative because I've added electrons

• equal because now I have electrons

Which of the following is common in all acidic solutions?

• H2

• H+

• OH-

• H2SO4

Choose the type of reaction represented by the following equations: FeS + 2HCl FeCl2 + H2S

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion