How does gravity affect objects of the same volume but greater density.

Write an equation to show action of positive and negative catalyst

Which of the following is not a characteristic of liquids? a. no significant attraction between particles b. less fluid than gases c. more dense than gases d. exhibits viscosity

1. how many moles are 1.20x10^25 atoms of phosphorous? 2. how many atoms are in 0.750 moles of zinc? 3. how many molecules are in 0.400 moles of n2o5? 4. find the number of moles of argon in 452 g of argon. 5. find the grams in 1.26 x 10-4 mol of hc2h3o2. show work on all