If we know the total energy in a system is 30 j, and we know the PE is 20 j, what is the KE?

Carbon has different isotopes. What is different between an atom of 12C and an atom of 13C? A. number of protons in the nucleus B. number of neutrons in the nucleus C. number of electrons in the atom D. number of protons and electrons in the atom

How is is iodine used

According to the kinetic theory of gas particles, when do gas particles have some type of force between them?

Electron in the n = 4 state with ml = 2, what are the possible values of l?

0.00105 liters is the same as how many cm and ml

What is the ratio of carbon, hydrogen, and oxygen in most carbohydrates?

Radium-223 is a radioactive isotope with a half-life of 11.4 days. how long (in days) will it be before 87.5% of the sample has decayed?

Which kind of reaction is shown below? 2H2O2 → 2H2O + O2

Phosphorus has the molecular formula p4, and sulfur has the molecular formula s8. how many grams of phosphorus contain the same number of molecules as 7.88 g of sulfur?

Latitude is the only factor that determines the temperature of a region true or false?