Indicate the number of H2 and N2 molecules needed to yield two molecules of NH3

How do elements form?

How many moles is 15.0 grams iron (II) nitrate?

A solution containing which one of the following pairs of substances will be a buffer solution? A) RbCl, HCl B) KBr, HBr C) CsF, HF D) NaI, HI E) none of the above

If the patient has to be administered a dosage of 2 tablets every 8 hours for 7 days, what is the number of tablets required for the prescribed dosage

Can anyone think of an analogy for a synthesis reaction?

Which of the following is diamagnetic? A) Sn B) Pb 2+ C) I D) N E) All are paramagnetic

Based on your observations in the lab, what do you think happens to the majority of water (not, ice) at the poles? at the equator?

How do organisms interact with each other and how can one organism be dependent upon other species

Check Sodium inside a star is most likely formed by which process? fission fusion <<--? alpha emission Beta emission

Which of these is the main goal of any titration? to observe the effect of indicators on acids to observe the effect of indicators on bases --> (((to determine the concentration of one of the reactants))) <--- to determine the effects of a base on