At constant pressure, what temperature must be reached to increase the volume of a 100-milliliter sample of a gas, initially at 300 K, to 200 milliliters?

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Which of these conditions most likely produces an unstable isotope?

What are the similarities of physical and chemical change ?