Burning Hydrocarbons

Burning Hydrocarbons

Multiple Choice

What physical property do we use to separate hydrocarbons?

• Melting point

• viscosity

• Boiling point

• Density

• Flammability

Multiple Choice

The products in an endothermic reaction have

• more energy

• less energy

• the same energy

Multiple Select

Increasing the temperature means

• there are more particles

• particles have more energy

• fewer collisions

• more collisions

• more particles have enough energy to react

Multiple Select

What is covalent bonding?

• shared pair of electrons

• positive lattice with sea of delocalised electrons

• electrostatic attraction

Multiple Choice

Complete combustion of methane

• CH4 + O2 (goes to) CO2 + H2O

• CH4 + 2O2 (goes to) CO2 + 2H2O

• 2CH4 + 2O2 (goes to) 2CO2 + 2H2O

• CH4 + 3O (goes to) CO2 + H2O