The dependence on the tenpera ture of the velocity constant of the reaction has been tabulated. temperature (k) 600 650 700 750 800 0.028 0.22 1. 3 久3 a how mang times faster the reaction will be camied out at 4ooc than at 3ooc ? b) ou want to increase k from o, o28 ju m-1 5-1 to 1.3 m-1thout having to increase the tempera ture (you wont to keep the tempera ture at 323 °c) so that the reaction peed increas es if a catalgst is involve d that decreases the activation enere oc ow many times must the catlyst decrease the active tion ener99 too obtain this increase in k withotp chอnging +he temperature o lemb

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.