How do the particles in matter change when a substance becomes hotter, cools down, or changes state

Identify the true statements about surface tension. Molecules along the surface of a liquid behave differently than those in the bulk liquid. Mercury has a lower surface tension than water.

You are a molecular biologist and wish to change the proteins that cells make. Which of the following should you do? You are a molecular biologist and wish to change the proteins that cells make.

A particular single-celled organism uses radiant energy to fix carbon as sugars. This organism generates ATP by breaking down sugars through a process that uses oxygen. Based on this information, how should this organism be classified? A.

The button batteries in small devices like watches are commonly composed of silver-zinc or mercury-zinc batteries.

2. What is the concentration of an acid that has 5.2 moles of HCI in 750 mL of water? w O A. 6.9 M OB. 6.8 M OC. 7.5 M OD. 5.2 M

All of the following are examples of electrolytic solutions, except __. A) Ocean water B) Pure water C) Strong hydrochloric acid D) potassium chloride solution

How many stereoisomers are possible for 1 2-dichlorocyclopentane?

Consider the balanced equation K, Croa (aq) + Pb (NO3) 2 (aq) → PbCrO4 (s) + 2KNO3 (aq) If 25.0 ml of a 1.00M K, Cro, solution is mixed with 10.0 ml of a 0.500M Pb (NO3) 2 solution. a. How many moles of potassium chromate are present? b.

Name 3 organisms that would be classified as eukaryotic, multicellular, and heterotrophic.

A bond formed by electrical attraction between two oppositely charged ions is called