For the hypothetical reaction A → B, calculate the average rate of disappearance of A if the initial concentration of A is 0.91 M and the concentration of A after 90 minutes is 0.11 M.

How much work is needed to assemble an atomic nucleus containing three protons (such as Li) if we model it as an equilateral triangle of side 2.00Ã-10âˆ'15m with a proton at each vertex? Assume the protons started from very far away.

A TV with a power rating of 267 W uses 1.9 kWh in one day. How many hours was the TV during that day?

What is the velocity of 35m with 5s

Why is it easier to remove the ice cubes from cold lemonade than it is to remove the sugar?

In 2016 there were 2025 reported collisions between trains and cars that's resulted in 265 fatalities. Explain the change in kinetic energy as it relates to conservation of momentum

How many miles is the moon from the earth

A 1.00x10^3 crate is being pushed across a level floor at a constant speed by a force

How could you make a sound wave have a lower pitch

Ice caps at the north and south poles are very reflective the ice reflects light and heat rather than absorbing it.

When you jump straight up as high as you can, what is the order of magnitude of the maximum recoil speed that you give to the Earth? Model the Earth as a perfectly solid object.