Why do scientists use stirbars in the laboratory?

What chemical formulas represents oxygen gas?

The periodic table is based on an element's a. atomic mass. b. atomic number. c. molecular size. d. molecular mass.

How many formula units of agno3 are there in 3.25 mol of agno3?

Which of these statements are consistent with kinetic-molecular theory? Select all that apply. a. The molecules in water at 100°C have more kinetic energy than the molecules in water at 0°C. b.

Why have some chemicals been banned from usage in agriculture/food production

The two forms of oxygen, O2 (g) and O3 (g), have (1) different molecular structures and identical properties (2) different molecular structures and different properties (3) identical molecular structures and identical properties (4) identical

What is the difference between a distraction and a reaction

if carbon which has an electrongavity of 2.5 bonds with hydrogen, which has an electrongavity of 2.1, the bond between the two atoms will be classified as a (n) covalent bond

If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the products? A. 12 atoms of carbon (C) B. 6 atoms of carbon (C) C. 3 atoms of carbon (C) D. 2 atoms of carbon (C)

Car Q and z are put though an endurance test to see if they can travel at 120 km/h for 5.0 hours. Each car has a 45-L fuel tank. Car z must stop to refuel after traveling for 4.2 hours. Car Q, however, travels for 5.4 hours before running out of gas.