Category Archives: Chem Comm
Determine the number of grams needed to make 150 mL of 0.20 M NaOH solution. If you remove 5.00 mL of 0.20 M NaOH solution and evaporate all the water, how many grams of NaOH will remain?
Complete on separate paper and submit to the In-Box when finished. What are 2 types of mixtures and how are they different? Make a drawing to support your answers. What are 2 things that are needed for a chemical reaction … Continue reading
Name 4 layers of the Earth’s Atmosphere and list 1 significant fact about each layer. What do you think is a mixture? Give 2 examples.
Using your textbook, re-read page 148 about each of the 6 Air Quality examples and complete the following: Write a summary statement about each of the 6 examples. Write 1 question you have about each example. When finished, go to … Continue reading
Define Boyle’s, Charles’, and the Ideal Gas Law. What is held constant in Boyle’s Law? Make a graph for both Boyle’s and Charles’ Law labeling both axes. Write the statements of the Kinetic Molecular Theory. (Look here). A ball has … Continue reading
12.5 grams of Neon gas is in a 2.0 L bottle at 745 torr pressure. What is the temperature in K and C of the gas? (Remember the steps: make list of givens, determine gas law, isolate unknown, make conversions … Continue reading
Complete the following problems in your notes. A balloon with a volume of 3 L at 25 C is heated to 35 C. Make a drawing of the balloon before and after heating. Then, determine the new volume? A 2 … Continue reading
Write the equation for Boyle’s and Charles’ Law. A basketball with a volume of 8.5 L at 1.0 atm pressure is taken up to a game in Denver where the pressure is 0.85 atm. The volume in the ball will … Continue reading
The following data were collected during the temperature-volume laboratory activity using hot oil and capillary tubes: Temperature (°C) Length of trapped air in the tube (cm) 142 … Continue reading