What substance speed up speeds up a chemical reaction

An element with 5 protons 6 neutrons and 8 electron has an mass number of

You are preparing to do a hard task and so you say to yourself, "I can do it!" What is this an example of?

The number of electrons an atom would gain or lose when forming ionic bonds. It can be positive, negative or zero.

Difference between elastic and Inelastic collisions

Combustion reactions are exothermic or endothermic, and explain why.

The friends now feel ready to try a problem. Suppose an Atwood machine has a mass of m1 = 2.5 kg and another mass of m2 = 8.5 kg hanging on opposite sides of the pulley. Assume the pulley is massless and frictionless, and the cord is ideal.

What are the 3 main branches of natural sciences

A girl is walking 2km north them east then south then west whar is her displacement

Find the y-component of this vector:73.3,12.0m. Remember, angles are measured from the + x axis.

A smaller unit of volume than a milliliter would be a microliter. A microliter is one-millionth of a liter. Select one: a. True b. False