How do catalysts increase the rate of a chemical reaction?

They lower the activation energy.

They lower the collision energy.

They increase the collision energy.

They increase the temperature.

They increase the concentration of reactants.

Imagine the water is leaking from a container, at a rate of 1.2 ml/hour. If this rate does not change, how many liters of water will be lost in a week?

What happens to particles when p waves and s waves pass through them

Suppose that 40 mL of water is poured simultaneously into three containers, each having a different sediment. After 10 seconds, 5 mL remains atop Sediment A, 20 mL of water remains atop Sediment B, and 28 mL of water remains atop Sediment C.

In a combustion reaction, 46.0 of ethanol reacts with 96.0 of oxygen to produce water and carbon dioxide. If 54.0g of water is produced, how much carbon dioxide is produced?

A certain gasol occupies a volume of 12.5 L at 50 degree Celsius and 740 torr. what would its volume be at STP? do the equation using the formula PV=nRT

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?

Condension occurs in the inside of your windows in Winters, why?

How can you use Hess's law to determine a reaction's enthalpy?

7. How much energy in KJ is released when 15.0 g of steam at 100.0 degrees Celsius is condensed and then frozen to ice at 0.0 degrees Celsius?

Consider the reaction: 8H2S (g) + 4O2 (g) →8H2O (g) + S8 (g). Δ[H2S]/Δt = - 0.033M/s. Find Δ[O2]/Δt. Δ[H2O]/Δt. Δ[S8]/Δt. Find the rate of the reaction.