Iron metal (Fe) reacts with chlorine gas (Cl2). How many grams produced win 515 g of Cl2 reacts with excess Fe. considering molar mass CLT is 70.90 g/ mole , and the molar mass of FeCL3 is 162.2 g/mole

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

In which reaction is precipitation occurring?