Write the net ionic equation (including phases) that corresponds to

Pb (NO3) 2 (aq) + K2S (aq) →PbS (s) + 2KNO3 (aq)

How many moles of chlorine (Cl) atoms are in a sample of 1.72 x 1022 atoms?

What is the distinguishing characteristics of a saturated fatty acid?

Polymers are large molecules composed of simple units repeated many times. Thus, they often have relatively simple empirical formulas. Calculate the empirical formulas of the following polymers: (a) Lucite (Plexiglas); 59.9% C, 8.06% H, 32.

60g of vinegar was used in a chemical reaction with baking soda. The total mass of the products is 140g. what was the mass of the baking soda? A) 60g B) 80g C) 140g D) 200g

A dives is able to cut through water in a swimming pool. which property of matter does this observation show? ...

At which temperature would atoms of a He (g) sample have the greatest average kinetic energy? (1) 25°C (3) 273 K (2) 37°C (4) 298 K

In the reaction, HCl + H2O produces H3O + Cl, what is the conjugate acid

Draw the curved arrow mechanism for the conversion of aniline into benzenediazonium ion, and draw the final product that forms after the benzenediazonium ion is treated with

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?