Answer all questions 1 to 4 pre 1. if you wish to determine the activation energy of the reaction: 5br + brog. + 6h+ ? 3br2 + 3h2o what graph would you need to plot and how would you go about determining the e,? (1 mark) 2. the activation energy for a reaction is found to be 80kjmor. calculate the (3 marks) temperature at which the rate will be ten times that at o°c 3. complete and balance the chemical equation: kbros+ kbr+ h2so4- (1 mark)

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.