Chemistry Semester II Final Review

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound

The concentration of a mixture can be increased in which of the following ways?

• Heating the mixture
• Adding more water “solvent”
• Adding more powder “solute”
• Stirring the mixture

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

air is a 

• compound
• element
• heterogeneous mixture
• solution

When a certain amount of solvent cannot hold any more solute it is called a ________ solution.

• Diluted
• Saturated

Which is true about kinetic theory of gases?

• temperature determines the kinetic energy of particles
• particles lose energy when they collide with one another
• molar mass determines the kinetic energy of particles
• container size determines kinetic energy of the particle

Standard temperature and pressure (STP) is defined as

• O ^.C and 1.0 atm pressure
• 0^.C and 273 mmHg pressure
• 0K and 1.0 atm pressure
• 0K and 760 mmHg pressure

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372
• 273
• 237
• 732

If I have a gas in a container, and I reduce the volume of the container, what happens to the pressure ?

• pressure increases as particles collide less
• pressure decreases as particles collide more
• pressure increases as particles collide more
• pressure will remain the same

Convert 25 C to Kelvin

• 298 K
• -248 K
• 248 K
• 25 K

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from  6 moles H₂? 

• 4 moles Fe
• 6 moles Fe
• 9 moles Fe
• 2 moles Fe

Tags

NGSS.HS-PS1-7