One molecule of a compound weighs 2.03x10-22 g. what is the molar mass of that compound?

N2+3H2 2NH3 what will happen if more nitrogen is added

Why do elements in a vertical column of the periodic table have similar chemical properties? A. They possess the same number of outermost electrons. B. They have similar physical characteristics. C. They are found in similar locations in nature D.

When a 36.7g sample of iron is placed in a graduated cylinder containing 20.0mL, the water level rises to 24.7mL. What is the density of iron?

Consider these two electron configurations for neutral atoms l and m. l - 1s22s22p63s2 m - 1s22s22p63s13p1 what is the atomic number of l

What compounds are the most polar?

according to the third law if a football player hits another player with an action force of 1500n how much will the reaction force be

Suppose the fluid in the stomach of a man suffering from indigestion can be considered to be 200. ml of a 0.033 m hcl solution. what mass of nahco3 would he need to ingest to neutralize this much hcl

Which of the answer choices best describes elements? a. homogenous mixtures b. always solid c. very dense d. pure substances

Why this chemical equation 3P4 + 10O2 = 4P2O5 + P4 is wrong?

Where is the genetic code located again in the dna molecule again?