Which of the following is the most stable isotope?

a. carbon-14

b. uranium-235

c. francium-227

d. plutonium-238

Why does beer boil at a lower temperature than tap water

A balloon with a volume of 2.0 L at 25°C is placed in a hot room at 35° c. The pressure on the balloon is constant at 1.0 atm. How does the volume of the balloon change after moving it to the hot room?

Determine the formula weights of each of the following compounds. Part A) Nitrous oxide, N2O, known as laughing gas and used as an anesthetic in dentistry. Express your answer using three significant figures.

Calculate the number of moles in 456 g of lead, Pb

A flask contains a gas mixture of methane, hydrogen, and nitrogen with partial pressures of 1 atm, 1.2 atm, and 1.1 atm, respectively. What is the total pressure of the mixture?

List the number of protons, neutrons, and electrons in Iodine-127. (atomic number is 53)

At approximately what temperature will 40g of argon gas at 2 atm occupy a volume of 22.4L a) 600K b) 550K c) 270K d) 140K

Why does light that passes through our windows at home not display the beautiful colors

What three relationships are true at equilibrium

What important natural resource do plastics come from? A. trees B. rocks C. minerals D. petroleum