What's a simple machine

What compound consists of 0.248 g magnesium, 0.655 g sulfur, and 1.31 g oxygen

The Hawaiian islands formed as a result of a hot spot. A.) True B.) False

What does the 'u' mean in CuO?

For each pair, predict which molecule has the greater molar entropy under the same conditions (assume gaseous species). c o 2, carbon dioxide h 2 o, waterc o, carbon monoxide c o 2, carbon dioxide

What is the total number of atoms in a molecule in pi3

What is a physical change? A change in matter from one form to another without becoming a new substance. A change in matter that results in a chemical reaction. A change in matter that results in the smallest unit of a compound.

You are in the room with several objects, the temperature in the room is 21 celcius, what can you assume about the temperatures of the objects in the room?

If a sample contains 74.0% of the R enantiomer and 26.0% of the S enantiomer, what is the enantiomeric excess of the mixture?

In a solution, the solvent particles are attracted to the solute particles by: a) ion/dipole forces b) dipole/dipole forces c) van der Waals forces d) any or all of these forces

Which soil layer contain the most humnas