Exercise 3
Hints
- a) Do ionic substances conduct electricity? b/c) Do covalent substances conduct electricity? Do we expect covalent networks to have high or low melting points?
- How many moles are in 50 cm3 of 2 moll-1 HCl? How many moles of NaCl should this produce? What mass of NaCl is in this number of moles?
- rate=(final conc.- start conc.)/(final time – start time)
- Do matal/non-metal oxides give acids or alkalis in solution?
- What gases are in the air? What gases could me made if these are provided with a lot of energy?
- a) Look this up! b) What effect does increasing the temperature have on the avarage kinetic energy of the particles? c) What effect does a calatalyst have on the activation energy
Revise: Standard Grade Topic 3 – Atoms and the Periodic Table
Standard Grade Topic 3 – Atoms and the Periodic Table
Home Practice: “Elements and Bonding”
Home Practice – “Elements and Bonding”
Due Monday 19th August
