How many grams of H2 are needed to produce 12.50g of NH3?

I want to convert atoms to moles. My friend tells my to multiply the number of atoms by 6.02 x 102. Is my friend correct?

Which option identifies the field of science that supports the interests of the person in the following scenario? Tina's family is from South America.

If the atomic radius of aluminum is 0.143 nm, calculate the volume of its unit cell in cubic meters.

Organic chemistry is the study of compounds containing a. hydrogen. b. nitrogen. c. carbon. d. oxygen.

Why is acid base regulation important in maintaining homeostasis?

What is the octet rule and how does it explain the formation of ionic compounds?

Can somebody explain step by step how to solve decomposition reactions?

Which of the following statements are correct about the chemical reaction? H2 + O2 - > H2O2 versus 2 H2 + O2 - > 2 H2O? They are both balanced chemical equations. The two reactions are equivalent. The laws of thermodynamics apply to both.

What do chemists use to describe a chemical reaction

When you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Eventually, the water will taste equally sweet throughout. What term explains molecule movement to maintain a balance?