The equilibrium vapor pressure is achieved when the rate of evaporation equals what?

a. rate of sublimation

b. rate of condensation

c. rate of freezing

d. rate of melting

I am a metal, a transition metal, have the smallest atomic radius in my group, and I have 6 valence electrons. What element am i?

The Ksp of FeCO3 is 3.13*10-11, the Ksp of Fe (OH) 2 is 4.87*10-17, and the Ksp of FeF2 is 2.36*10-6. If a solution contained CO2-3, OH-, and F - ions, each at a concentration of 0.

Some freedivers hyperventilate (breathe rapidly and deeply) before diving. Hyperventilation can change the concentration of CO 2 CO2 in the blood and may increase the length of time that a person feels like he or she can hold his or her breath.

A carbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. How many protons does a carbon-14 atom have?

Determine the direction of electron flow and label the anode and the cathode. label each electrode as negative or positive. write a balanced equation for the overall reaction

Can atoms be divided into smaller pieces

How many atoms are in 1.25 moles of calcium acetate, ca (c² h³ o²) ²?

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?