Graphing in Chemistry Assessment

What is an appropriate title for this science graph?

Click and look at the graph.

• Boiling Points for Different Substances

• Molecular Weight (g/mol) vs. Boiling Point (K)

• Molecular Weight vs. Boiling Point

• Boiling Point (K) vs. Molecular Weight (g/mol)

• Boiling Point vs. Molecular Weight

Which has/have a lower boiling point temperature than water? Look at your graph.

• all of the other chemicals listed

• Hydrogen and Helium

• Ammonia and Methane

• Helium, Neon, Argon, Krypton, and Xenon

• Carbon Dioxide and Ozone

What would be an appropriate title for the graph provided.

• Time of Heating (s) vs. Heat of Formation (KJ/mol)

• Time of Heating vs. Heat of Formation

• Heat of Formation (KJ/mol) vs. Time of Heating (s)

• Heat of Formation vs. Time of Heating

• Internal Energy of a Chemical System

Tags

NGSS.HS-PS1-4

Which physical change occurs later in the change after more heat has been added?

Click on the graph.

• melting

• heating of a solid

• heating of a liquid

• boiling

• cooling of a liquid

Tags

NGSS.MS-PS1-4

Which phase required the least amount of heat added (J/g) to raise its temperaturer?

• liquid water

• solid metal

• liquid metal

• ice (solid water)

Tags

NGSS.HS-PS3-4

What is the boiling point of ethanal in the graph?

• -118 degrees Celsius

• O degrees Celsius

• 100 degrees Celsius

• 78 degrees

• 58 degrees

How is temperature (degrees Celsius) related to vapor pressure (atm)?

• directly proportional

• inversely proportional

• not related

• it is not possible to tell from the graph

The graph shows pressure and volume of a gas. Pressure is the force of colliding particles. If the pressure increase, what happens to the volume of a gas?

• it increases

• it decreases

• it stays the same

• it fluctuates between low and high values many times

At standard temperature of 25 degrees Celsius, also known as 298 K, what is the approximate volume in milliliters of the chemical described in the graph?

• above 600 mL

• 200 mL

• 1,000 mL

• 600 mL

• 130 mL

Tags

NGSS.HS-PS1-5

As the reagents (aka: "starting chemicals" or "reactants") turn to products (aka: "new substances") during a chemical change, what is true about their concentration.

• reagent concentration decreases

• reagent concentration increases

• product concentration decreases

• product concentration never increases

• both reagent and product concentration remains constant the whole time

Tags

NGSS.HS-PS1-5