Asolution is made by dissolving 14.0 g of potassium chloride to a final volume of 78.9 ml solution. what is the weight/weight % or the percent by mass of the solute? (use 1.00 g/ml for the density of water)

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.

Ahas distinct properties and composition that never vary.