What is the part of a solution that dissolves called

Alkanes are hydrocarbons containing only single bonds. Acyclic alkanes have carbon atoms arranged in chains, whereas cycloalkanes have carbon atoms arranged in one or more rings.

Boiling refers to which phase change? A. gas to solid B. liquid to gas C. solid to liquid D. liquid to solid

Which of the following statements is true? A. All of the sun's radiation is reflected back into space by the Earth's atmosphere. B. Air is a poor insulator because the molecules in gas are very far apart. C.

What happens to a glass of water at a temperature of 20°C when it is placed into a freezer set at - 10°C? A; It cools to - 10°C, where it stays until freezing is complete. B; It freezes, then the temperature drops to 0°C and then to - 10°C.

How many moles are in 4,55 X 10^23 molecules of CO2 (rounded)

In the fourth century bc Greek scholars rejected Democritus ideas about the atom. This rejection was mostly based on?

An element X has two isotopes. X-15 has 7 protons and 8 neutrons. Determine the atomic number and mass number of the second isotope, which has 10 neutrons in its nucleus. a. atomic number = 8; mass number = 9 b. atomic number = 8; mass number = 17 c.

Which statement best describes the direction of heat flow by conduction between two samples of the same material? 1. Heat flows from faster molecules to slower molecules when they are near. 2.

Delta H equals 98.8 KJ, and Delta S equals 141.5 J/K. Is this reaction spontaneous or nonspontaneous at high and low pressure

Secondary consumers are eaten by?