What is a mixture of 2 or more substances in which the particles cannot be seen?

For the equation N2 + 3H2 → 2NH3, if you start with 8 moles of nitrogen gas, how many moles of ammonia (NH3) will you have when the reaction is finished?

How are valence electrons different from other electrons in an atom?

Calculate the mass of oxalic acid dihydrate needed to prepare 500.0 ml

A piece of candy is burned in a calorimeter raising up the tempature of 500g of water from 21 C to 25 C water has a specific heat of 4.18J/g C how much energy was released by the candy

What is the oxidation state of each element in FeBr2?

Does pressure decrease when a gas is removed

This is the ability of matter to change into a different substance.

How can I write ecology in my own words for a definition

The amount of time it takes for one-half of the original amount of an isotope to decay is known as its

If enough heat is added to a substance, electrons begin to separate from the atomic nuclei. Which process does this describe? A. A solid turning into a liquid B. A plasma turning into a gas C. A gas turning into a plasma D.