NH4NO3 → N2O + 2H2O Calculate the amount of moles present in 435.4 grams of N20.
7.96 moles
8.45 moles
O 7.85 moles
9.90 moles

When light strikes a plane mirror, images form in locations where light does not actually reach. it only appears to the observer as though the light were coming from this position. what type of image is formed?

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Which temperature scale measures water boiling at 100 degrees?