One of the characteristics of living things is that they respond to external changes in their environment so that their internal environment stays as stable as possible. why must an organism do this

Which values are written in proper scientific notation? Check all that apply. -350 -350.00 -3.50 * 104 0.000350 3.50 * 104 3.50 * 10-4 35.0 * 10-5 3,500

5. The partition coefficient of Compound A is 7.5 in dichloromethane (a. k. a. methylene chloride) with respect to water. a.

Upon the addition of hcl to zinc, explain why a lit bunsen burner should not be in the fume hood

The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14. Show all calculations leading to an answer.

A tank holding 7.80 L of gas is at a pressure of 9.80 atm. If the temperature and number of gas particles do not change, what is the new pressure at a volume of 5.3 L? *Show Work* A. 14.4 atm B. 51.9 atm C. 4.22 atm D. 0.0693 atm

Difference between radical and compound

Water is a produced when 30.0 grams of hydrogen reacts with 80.0 grams of oxygen what is the limiting reagent

How are reactions and products related in a chemical reaction?

Ollie wants to sign up with an online social network called TeensMeet, which other kids at school have joined.

7. A perfect cube has a width of 2 cm. What is the cube's volume? Show your work!