3. (C) Hydrogen reacts with chlorine to form hydrogen chloride.
H (9) + Cl (9) ► 2HCl(9)
The reaction is exothermic.
Draw and label the reaction profile diagram for this reaction, identifying the
activation energy.
(3)
heat energy
progress of reaction

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

In apex! a liquid heated beyond a certain temperature becomes

Uranium can supply energy for the worlds electricity without admitting harmful greenhouse gases which of these statements best describes an outcome of uranium mining