Convert: 20.9 mL = ___L

2.09

0.209

0.0209

209

20.9

Why is it impossible to have a linear trinomial with one variable?

What does relative humidity indicate? A. how close air is to saturation B. the amount of heating needed for evaporation C. the amount of water vapor in the air D. the ratio of water vapor to carbon dioxide in air

In a car cylinder, a piston moves up and down inside a cylinder, causing the substance inside to expand and contract. Which type of substance could be inside the cylinder? Gas only Liquid only Liquid or solid only Gas, liquid, or solid

Sulfur and oxygen form both sulfur dioxide and sulfur trioxide. When samples of these are decomposed, the sulfur dioxide produces 3.49 g oxygen and 3.50 g sulfur, while the sulfur trioxide produces 6.75 g oxygen and 4.50 g sulfur.

Describe how birds and reptiles both reproduce. describe two ways that birds and reptiles differ. use two particular animals as example in your description

Spasmolytics can be used to treat

What changes do you shown in the model

Select all the correct answers. What are the products of the acid-base reaction between HClO3 and LiOH? LiClO4 H2O LiH LiClO3 HClO4

Under what conditions will light bend? a) Never b) When it slows down while going through space c) When it speeds up while going through space d) When it passes from one medium to another

Cells can manipulate the free energy of reactions by: (Select all that apply) Changing the concentrations of products and reactants Changing the concentration of the enzyme involved in the reaction Using enzymes A.