Blank occurs when water molecules at the surface of a pool have enough kinetic energy that the attractive forces holding them to the liquid can be overcome

Which of the following elements will likely form a negative ion in its ionic compounds?

Iron has a density of 7.86 g/cm^3. Calculate the volume (in dL) of a piece of iron having a mass of 3.52 kg.

Which gas sample at STP has the same total number of molecules as 2.0 liters of CO2 (g) at STP? (1) 5.0 L of CO2 (g) (3) 3.0 L of H2S (g) (2) 2.0 L of Cl2 (g) (4) 6.0 L of He (g)

Nitric oxide reacts with chlorine to form nocl. the data refer to 298 k. 2no (g) + cl2 (g) → 2nocl (g) substance: no (g) cl2 (g) nocl (g) ∆h°f (kj/mol) : 90.29 0 51.71 ∆g°f (kj/mol) : 86.60 0 66.07 s° (j/k·mol) : 210.65 223.0 261.

Tell Whether or not each equation is balanced mark A if you think it is correct mark B if you think it is not balanced 1) 2Fe (OH) 3 → Fe2O3 + 3H20 2) 2Al (OH) 3→ Al2O3 + 3 H2O

how many grams of water are produced when 15 grams of magnesium hydroxide are reacted with sulfuric acid

Which would have the lowest input force? A short lever with a large fulcrum A long lever with the fulcrum as far as possible from the load A Short lever with the fulcrum as close as possible to the load A long lever with the fulcrum as close as

How many valence electrons does bromine have

When you grasp a hot cup of cocoa with cold hands, which way does the heat transfer occur? Explain.

How many molecules are there in 1 miligram Au?