Is Italian salad dressing a pure substance or a mixture?

Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide. identify all of the phases in your answer

All of the halogens, group 17, have seven valence electrons. which of these would represent the oxidation number of the halogens such as chlorine and bromine?

A container with 25L of methane gas at 24 atm and a 50L of ethane gas at 2 atm. If both gases are put into a 50L container what is the total pressure? (temperature is 273)

If a match were placed in the cone close to the barrel of the gas burner will it ignite

In which of these layers does hot material move upwards and cool material sink downwards? Layer A Layer B Layer C Layer D

In a system for separating gases a tank containing a mixture of hydrogen and carbon dioxide is connected to a much larger tank where the pressure is kept very low.

What formation is favored by the addition of heat.

10+10= 123+456= 789+101112

Why are water storage tanks usually built on towers or placed on hilltops?

What does hydrochloride mean?