How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen

If you want to increase the gravitational force between two objects, what would you do

What are the dissolved particles in a solution containing a molecular solute? what are the dissolved particles in a solution containing a molecular solute? the atoms the cations the molecules the ions?

In a neon tube, what occurs immediately after an atom is excited?

How was the noble gas argon discovered

Write the formula for the polyatomic ion in fe (hco3) 3. express your answer as an ion.

Which of the following organisms are carnivores? Producers Omnivores Consumers Decomposers

What is the number of moles in 2.33 L of H2S gas at STP?

Nitrous oxide (n2o), or laughing gas, is commonly used as an anesthetic in dentistry and surgery. how many moles are present in 8.4 liters of nitrous oxide at stp?

How can an atom be electrically neutral when it contains particles that are charged?

Is boiling water considered physical or chemical bond