How does the composition of a galaxy compare to the composition of the universe?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2, chlorine gas cl2, oxygen gas o2, water h2o, and a great deal of energy.

What do the letters mean in H2O

How does potassium ions behave when current is passed through the electoryte

The two naturally occuring isotopes of chlorine are 35cl and 37cl. based on the average atomic mass of cl (35.5 amu), what is the approximate natural abundance of 35cl?

Explain the roles of products, reactants, and limiting reactant in a chemical reaction.

What organelle does the process of cellular respiration?

How much heat is absorbed during production of 127 g of NO by the combination of nitrogen and oxygen? N2 (g) + O2 (g) →2NO (g), ΔH = + 43 kcal/mol

Which of the following is the result of the process that binds many amino acids on to another? a. protein b. allele c. dna d. rna

What does the electron transport chain do to the concentration of hydrogen ions (protons) ?

What is the cation name for alcl3?