How many pi bonds are formed when sp2 hybridization occurs in ethene, C2H4?

1

2

0

3

Interpret the equations in terms of particles moles and mass a. 2PbS + 3O2 = 2PbO + 2SO2 b. 4HCl + O2 = 2H2O + 2Cl2

How does the periodic trend of atomic radius relate to the addition of electrons?

What is kinetic energy and Thermal energy

How many miles of co2 are produced if 5.0 moles of c10h22 react with an excess of o2?

Consider a situation in which 211 g g of P4 P 4 are exposed to 240 g g of O2 O 2 . What is the maximum amount in moles of P2O5 P 2 O 5 that can theoretically be made from 211 g g of P4 P 4 and excess oxygen?

Chemists use activity series to determine whether which type of reaction will occur?

1. Does the temperature rise or drop when you mix vinegar and baking soda. 2. Does the temperature rise or fall when you mix baking soda and water.

Use the balanced equation from number four above to determine the limiting reactant if we had a mixture of 5.0 moles of Fe and 4.0 moles of O2.

Using the kinetic theory what happens to oxygen particles as they are cooled

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.