A 15.0 g sample of metal with a specific heat of 1.25 J/(gºC) raised its temperature from 25 ºC to 100 ºC. How much heat in J was absorbed by the metal?

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density

If an atom has 12 protons and 13 neutrons

Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, kcos3(s). write the balanced equation. how many moles of oxygen are produced from 12 moles of potassium chlorate