Convert 200 grams N to moles

The Rocket Club is planning to launch a pair of model rockets. To build the rocket, the club needs a rocket body paired with an engine. The table lists the mass of three possible rocket bodies and the force generated by three possible engines.

What is the potential energy of 4kg object sitting on a 3m ledge?

A balloon is filled with 0.250 mole of air at 35°C. If the volume of the balloon is 6.23 liters, what is the absolute pressure of the air in the balloon?

What is a ionic equation verses a molecular equation?

What is the lewis structure and formal charge of CH2O

Two elements in the second transition series (Y through Cd) have four unpaired electrons in their 3 + ions. What elements fitthis description?

The bond between Br atoms in a Br2 molecule is (1) ionic and is formed by the sharing of two valence electrons (2) ionic and is formed by the transfer of two valence electrons (3) covalent and is formed by the sharing of two valence electrons (4)

Calculate the ph of a solution prepared by mixing 40.0 ml of a 0.02 m hcl solution with 200.0 ml of 0.20 m hcn solution. assume volumes to be additive ka for hcn=1.0x10^-10

How many formula units make up 24.2g of magnesium chloride (MgCl2) ?

Which lunar phrase follows a waning crescent phase?