Which best describes a molecule? a unit made of different kinds of elements a unit made of only one kind of element a unit made of two or more atoms a unit made of a single atom

What is the systematic name of the following compound? Al4O3

Which Two parts of the earth make up the lithosphere Crust and outer part of the mantle Inner core and mantle inner core and outer core Mantle And Outer core

Scientific procedure followed to obtain results for analysis. This is also a means to test a hypothesis.

Nitrogen and hydrogen react to produce ammonia. What mass of ammonia could be produced from 500 grams of nitrogen? Assume that enough hydrogen is available for a complete reaction.

4. You have a very concentrated solution (12 M) of potassium chloride (KCI). You need it to be at the least concentration possible for the experiment you are about to conduct.

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?