3. A compound is 44.82% Potassium, 18.39% Sulfur, and 36.79% Oxygen. Write the empirical formula and name the compound.

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 300j of energy to the room?unit: