The s subshell can hold up to two electrons in an atom. True or False

Write the equilibrium constant for the following equation: H2O (l) ⇔ H + (aq) + OH - (aq)

For a pressure of 1.00 atm and a temperature of 24.0 ∘C, use the ideal-gas law to estimate the number of air molecules in the room. Assume all the air is N2. Express your answer to three significant figures and include the appropriate units

How can you be sure a solid is pure?

Which statement describes ferns? A. They have tall, exposed stems. B. They only have a sporophyte stage. C. They use spores to reproduce. D. They are anchored by rhizoids.

The k + ion has an electron structure that is identical to which inert gas?

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?