What happens as the activation energy increases?

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The pressure of the system decreases.

The kinetic energy of colding molecules changes.

The reactant surface area decreases.

The reaction beans to slow down

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Which of the following statements about the Diels-Alder reaction is true? Multiple Choice The diene can react only when it adopts the s-trans conformation. Electron-withdrawing substituents in the diene increase reaction rate.

Five standard solutions of HBr are prepared by serial dilution in which, at each stage, 10.00 mL are diluted to 150.00 mL. Given that the concentration of the most dilute solution is 2.

When converting a number from scientific notation to standard notation if the power of 10 is __ move the decimal place to the left

What causes the phase of the Moon to change?

Calculate the percentage by mass of water in magnesium sulfate heptahydrate, MgSO4•7H2O Enter your answer with 3 significant figures

What happens when the electron moves from the first energy level to the second energy level? Energy is absorbed, and an emission line is produced. Energy is released, and an emission line is produced. Energy is absorbed by the atom.

Calculate how many mg is lethal to resident Arnold who weighs 45 kg and resident Harold who weighs 96 kg. The LD50 of lead is 450 mg/kg

The specific heat of aluminum is 0.125 cal/g °C. If 12.5 grams of aluminum were heated from 20.0 °C to 100.0 °C, calories of heat energy would be absorbed by the aluminum.

What type of radioactive decay results in uranium-238 becoming thorium-234?

What is the differnce between a stimlus and a response