By how much must an enzyme lower the activation energy
Assuming that the collision factor remains the same, by how much must an enzyme lower the activation energy of the reaction in order to achieve a 3×105-fold increase in the reaction rate?
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Which has more mass: a lamp of coal (assumed to be 100% carbon) or the carbon dioxide gas formed from burning the lump of coal?
A gas bottle contains 0.650 mol of gas at 730 mm Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
A tiny speck of radioactive Americium-241 (241.06 g/mol) is used in smoke detectors. what is the mass in mg of 2.5 x 10^18 atoms of Americium-241 present in these smoke detectors?
A ranger in a national park is driving at 31 km/h when a deer jumps onto the road 63 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.00 m/s2. What is the maximum reaction time al
What is the pH of the solution resulting from the addition of 40.0 mL of 0.200 M HClO4 to 20.0 mL of 0.150 M NaOH?
Neglecting all resistive forces, determine the spring constant.Neglecting all resistive forces, determine the speed of the projectile as it moves through the equilibrium position of the spring (where x = 0)
What is the average time-integrated Sm/Nd ratio of a magma source whose present 143Nd/144Nd ratio is 0.51300? Assume that t = 4.60 × 109y and that the initial 143Nd/144Nd ratio of the magma source was 0.50684. & ;
Describe a process that will allow information technology and managers to negotiate a business reason for bringing in new technology to a company and assign a value to the new system.& ;
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