What is the formula and formula mass of potassium sulphate?

What element breaks down into yttrium-90?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.