Why do all chemical changes occur

Adam's dad takes the parkway to work. It takes him 45 minutes to travel from mile marker 145 where he enters the parkway to his exit at mile marker 98. what is his average speed. I do know it is not D. A. 193.3 B. 62.7 C. 1 D. 47

The human body needs at least 1.03 x 10-^2 mol O2 every minute. If all of this oxygen is used for the cellular respiration reaction that breaks down glucose, how many grams of glucose does the human body consume each minute?

Determine the sum ol the following measure- ments to the correct number of signilicant ligures. 1.55 cm + 0.235 cm + 3.4 cm

What is the maximum number of unpaired electrons that can be accommodated in a 4p subshell? a. 3 b. 1 c. 7 d. 2

C) 2,2-dimethyl-3-heptyne how to draw

Why is galvanized steel preferred for outdoor uses?

Which of the following factors renders a species more susceptible to disease and infertility?

What kind of intermolecular forces act between a hydrogen iodide molecule and a chlorine monofluoride molecule?

Nonpolar materials have separated positive and negative areas. True False

Name the 12 elements in the periodic table