Which allotrope of carbon is considered a decent conductor of electricity?

The total amount of water on Earth a. is increasing. b. is fairly constant. c. is decreasing. d. depends on the weather.

How does the number of molecules in one mole of carbon dioxide compare with the number of molecules in one mole of water? A. There are four times as many molecules in one mole of carbon dioxide as there are in one mole of water. B.

How does an increase in concentration affect a chemical reaction?

Although cholesterol is a hydrophobic molecule, it has a hydrophilic head group like all other membrane lipids. True or false?

Which tool was most likely used in a procedure if the lab report shows that approximately 300 mL of water was used?

What is the empirical formula for butane, C4H10

Scientist are always learning new things. which of the following shows how scientist use observations to gain new understanding about the world? A. scientists have discovered new planets orbiting a star by detecting a wobble in the star's motions. B.

A chemical reaction, where more energy is released than is needed to get the reaction started, is called? A) A really amazing reaction B) Endothermic C) Exothermic D) Non-reactive

How many molecules are in 8.3 moles?

When phenolphthalein indicator is added to a colorless solution with a pH of 10, a student observes and concludes that the tested solution 1 remains colorless and is basic 2. remains colorless and is acidic 3. turns pink and is basic 4.