Author: Anonymous

Using the experiment that is described in Question #22, what are the constants in the experiment?

Using the image of the microscope or your knowledge of a microscope, what is the name of the part of the microscope that can adjust the width/size of light that comes into the specimen? (This is part I in the image):

Using the experiment that is described in Question #20, what is the independent variable?

If the atomic number for Carbon is 6, and its atomic mass is 12.011, how many neutrons does Carbon have?

If Chemistry is defined as the study of matter, which of the following items would NOT be something that Chemistry would study:

This property of water occurs when water molecules are attracted to OTHER substances/surfaces:

Which of the following correctly describes an isotope?

When I drop an apple, it always falls to the ground. When I drop my wallet, it always falls to the ground. Therefore, there is a principle called gravity that acts on all objects. This is an example of:

There once was an experiment conducted to test the effectiveness of a blood pressure medication known as Lowpress, which is thought to help lower blood pressure. Two groups of 30 patients, each suffering from chronic high blood pressure, were selected for the study. The first group (Group A) were given Lowpress. The second group (Group B) were given a placebo pill made of sugar. Both groups were given their pills 3 times a day, and their blood pressure was measured 3 times per day. Both groups were also assigned the same diet plan, they could only drink water and had to eat at the same time of day. In this experiment, what is the dependent variable?

There are four images below displaying the structure of the four macromolecules we discussed in class. “Molecule C” represents which of the following Macromolecules?