In class, an instructor pours liquid nitrogen on an inflated balloon and the balloon collapsed on itself. Why does the ballon deflate although no gas is lost from the balloon?

What is 45 inches equal to

Give the symbol of the element that has the largest atomic size in group 3a (13).

All of the following contribute to the large, negative, free-energy change upon hydrolysis of "high-energy" compounds except: a. stabilization of products by extra resonance forms b. stabilization of products by ionization c.

What fraction of carbon 14 remains in an animal frozen in a glacier 18000 years ago?

A sodium ion has 11 protons, 12 neutrons, and 10 electrons. Which of the following is true? Answer Options with 5 options A. Sodium's atomic mass is 33 amus. B. Sodium's atomic number is 21. C. Sodium has a net negative charge. D.

Which of the following processes is spontaneous? A). building a house B). launching a satellite into orbit C). drops of dye dispersing in a clear solution D). cleaning your bedroom E). a ball rolling up a hill

What mass of hydrogen is produced from 5.71 mol of aluminum?

Which term represents an intermolecular force in a sample of water? * ?

Which of the following examples are the result of unbalanced forces? Select all the apply

Type one to two paragraphs describing the changes in potential and kinetic energy of the cart.