I'm quite sure it's activity level. One other thing that could've been said is metabolism, but that isn't there. However, food is consumed for the body to have energy, and without that energy we wouldn't be able to function. And when we let that intake of food settle, it's stored as fat. But because of activity level, we are capable of burning those calories.
D is the answer you are looking for. <span />
Ncomplete combustion of<span> fossil </span>fuels<span>; forest fires// heavy traffic ... NS: </span>oxidation<span> of H2S </span>gas<span>from </span>decay<span> of </span>organic matter<span> & volcanic activity ... primary pollutant; </span>burning<span> of </span>sulfur containing<span>fossil </span>fuels<span>, </span>coal<span> containing ... HS: </span>combustion of<span> fossil </span>fuel<span>, industrial plants that </span>produce<span> smoke, ash, dust ..... </span>photochemical<span> smog.</span>
Answer:
The rate of the catalyzed reaction will increase by a 1.8 × 10⁵ factor.
Explanation:
The rate of a reaction (r) is proportional to the rate constant (k). We can find the rate constant using the Arrhenius equation.
where,
A: collision factor
Ea: activation energy
R: ideal gas constant
T: absolute temperature (125°C + 273 = 398 K)
For the uncatalized reaction,
For the catalized reaction,
The ratio kC to kU is 6.0 × 10⁻⁸A/3.4 × 10⁻¹³A = 1.8 × 10⁵