What is the difference between substance in a mixture

When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity? cell organism organ system tissue

6.02 X 10 to the 24th molecules of CuF is equal to how many moles of CuF?

Consider a closed flask containing a liquid and its vapor. Which statement is incorrect? A.) The vapor exerts a pressure called the vapor pressure B.) Increasing the temperature of the liquid would lead to a great vapor pressure C.

Methane (CH4) is the third most abundant greenhouse gas, with roughly 6000 Tg present in the atmosphere (where 1 Tg = 1 million tonnes). If the net sink of methane is estimated as 500 Tg / year, then what is methane's residence time?

How does stability relate to how quickly a substance breaks down?

Which of the following actions will not increase the rate at which a solid dissolves in a liquid? A. increasing the surface area of a solid B. stirring the solid and the liquid C. increasing the amount of the solid D.

Does the amount of heat absorbed as 1 kg of saturated liquid water boils at 100°C have to be equal to the amount of heat released as 1 kg of saturated water vapor condenses at 100°C?

F. Protection of the body from infectious organisms is accomplished by which of these tissues? a) bone; b) muscle; c) nerve; d) blood

A compound that is composed of molybdenum (Mo) and oxygen (O) was produced in a lab by heating molybdenum over a Bunsen burner. The following data was collected: Mass of crucible: 38.26 g Mass of crucible and molybdenum: 39.

Which of the following elements has electrons in the 3d sublevel?