A pencil sharpener contains which simple machine

Block and tackle

Lever

Wheel and axle

Pulley

What comes first: Condensation or clouds?

What is a measure of force that is equal to the gravitational pull on an object?

What is the average kinetic energy of 1 mole of a gas that is at 100 degrees Celsius?

What are the amounts of molecules in 19 g flourine

What kind of intermolecular forces act between two hydrogen fluoride molecules? Note: If there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.

You would know you were in the troposphere If? It were raining on you You were floating in space You were flying in a high altitude jet You were in the ozone later

A burning match is an example of a chemical change phase change nuclear change physical change

The table below shows the shapes of two samples, C and D, when placed in three containers of different shapes.

How many grams of KCl are produced when 60 grams of K are reacted?

Whats a solution! people