Reacting molecules must hit each other with sufficient energy in order to form products, what theory is it

Water wood neon gas arrange the substances in the table from the most to the least ordered particle arrangement. a) wood, water, neon gas b) wood, neon gas, water c) water, wood, neon gas eliminate d) water, neon gas, wood

A stack of 55 business cards is 1.85 cm tall. Use this information to determine the thickness of one business card.

An automobile engine is 15 percent efficient. How many joules of input work are required to produce 15,000 joules of output work to move the car?

Ssume that the kinetic energy of the falling block is transformed entirely into internal thermal energy when the falling block stops. what is the change in the internal energy, δu, of the system? δu =

A 70 kg man climbs 4 meters up a tree whats his potential energy relative from the ground

An object is released from rest on a planetthat has no atmosphere. The object fallsfreely for 2.03 m in the first second. What is the magnitude of the accelerationdue to gravity on the planet?

Properties of elements within a ... on the periodic table change in a predictable way from one side of the table to the other

Two cards are drawn at random with replacement. Find P (not blue, then pink). (Remember, percent is a fraction with 100 in the denominator.)

A car dropped from a height of 44 meters fall to a height of zero meters. How fast will the car be traveling as it hits the ground? Assume air resistance is negligible (show all work)

A rock dropped from a 20 meter bridge falls into the river below. How long did it take to reach the water? What velocity did it hit the water with.