Oxidation number of phosphorus in calcium phosphorus oxides whole 2

What is the name of the covalent compound N2O5

Which phase has the lowest entropy? Why? How does a change in phase affect entropy changes in a reaction?

Is the symbol for acceleration due to gravity chemistry?

Which of the following are likely to form a covakent bond

Which of the following metals or nonmetals are expected to displace Mn or Cl (respectively) from MnCl2? 1. Cu should displace Mn. 2. Ca should displace Mn. 3. Br should displace Cl. 4. I should displace Cl.

Why are Van der Waals forces important? A) They determine how strong dipole moments will be in polar covalent molecules B) They are the strongest type of intermolecular force that can act on polar and non-polar molecules C) They are primary

When heat is added to or removed from a substance, it may change its state. What state will most likely result if heat is added to a liquid?

Chemical Reactions Lab Procedures: 1. Place a 1cm long piece of white chalk in a clear plastic cup. 2. Add 5 mL of vinegar to the cup. 3. Record your observations. If you were performing the procedures above you would need to A.

How many moles of oxygen are in 0.53 moles of co 22?

The car wit fastest acceleration is the tempest. it has an acceleration of 6.1 m/s. suppose the car accelerates from rest to a final speed of 30. m/s. how long does it take the tempest to reach this speed?