Which of these lab safety procedures is INCORRECT?
-)
A)
No horseplay in the lab.
B)
Follow instructions as given by teacher.
C)
Know the fire escape route from your lab.
D
Always carry a textbook into the lab for checking accuracy.

1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

What are the genotypic and phenotypic ratios