A. Write an expression for the rate of change of [H].b. Write an expression for the rate of change of [Br].c. Since the hydrogen and bromine atoms are short-lived species, we canapply the steady state approximation and set the rates from parts a and bto zero. Express the steady-state concentrations of [H] and [Br] in terms ofthe concentrations of H2,Br2, HBr, and M. (Hint: try adding the rate forpart a to that for part b.)

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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