A drug company is testing the effectiveness os a new blood pursur medicine using rats as the test subject. What are some possible factors that must stay current during the testing?

What is the effect of temperature and density on the movement of water?

A gas sample is held at constant temperature. what happens to the pressure of the sample if the volume is doubled and the number of molecules is doubled

Why do organisms eat food?

How many grams of oxygen are required to react with 10.0 grams of octane

Tooth enamel is ca5 (po4) 3 (oh). calculate the percent composition of the elements present.

Match the following items. 1. balance observation using "how much". 2. graduated cylinder primary unit of mass. 3. hypothesis proposed explanation. 4. L unit of volume. 5. quantitative instrument of volume. 6. kg instrument of mass. 7.

Which is the best description of a scientific theory? a. a statement about how two different variables are related b. a collection of laws that are explained the same way c. an explanation of many observations and tested hypotheses d.

How would the electrons produced in a cathode ray tube filled with neon compare with the electrons produced in a cathode ray tube filled with chlorine gas?

Energy released from cell respiration is know as

What is a neutral atoms oxidation number