Which of these represents a synthesis reaction?

A. AgNO3 + HCl - > AgCl + HNO3

B. Zn + 2HCl - > ZnCl2 + H2

C. N2 + 3H2 - > 2NH3

D. 2KClO3 - > 2KCl + 3O2

3 - Which process use to convert heavier hydrocarbons into lighter (gasoline) in the absence of oxygen and in the presence of catalyst? A - Fractional distillation B - Melting C - Cracking D - Boiling

When a gas is pumped into a small rigid container the pressure inside the container increases as more particles are added. If the number of particles is doubled then the pressure will double.

A. 5 kg pizza is sitting on a kitchen counter 1.5 m high. How much potential energy does the pizza have?

Enter an abbreviated electron configuration for magnesium: Express your answer in complete form, in order of increasing energy. For example, [He]2s22p2 would be entered as [He]2s^22p^2.

Consider all the different polysaccharides that exist across species and then select all of the following characteristics that can vary among polysaccharides. a. amount of branching b. types of bonds (glycosidic) between monomers c.

What is the structural difference between atp and datp?

What was henri becquerel studying when he accidentally discovered radioactivity?

A substance which is made up of identical atoms is a (n): chemical element compound alloy

Which answer choice correctly explains how the structure of ionic compounds differs from covalent compounds? Ionic compounds are made of a network of ions while covalent compounds are made of a network of molecules.

If 3.0 mol of NaOH is dissolved in. 50 L of water, what is the molarity? Select one